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NGC 7027 , the SIMBAD biblio

NGC 7027 , the SIMBAD biblio (2437 results) C.D.S. - SIMBAD4 rel 1.8 - 2023.10.02CEST02:27:29

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Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1892AstAp..11..820C 4 0 Recent observations of Nova Aurigae, Sept. 8 to Oct. 13, 1892. CAMPBELL W.W.
1893AstAp..12...51V 9 0 Studies of the photographic spectrum of the planetary nebulae and of the new star. VON GOTHARD E.
1893AstAp..12..722C 7 0 Concerning the nature of Nova Aurigae's spectrum. CAMPBELL W.W.
1894AstAp..13..494C 6 0 Spectra of the great nebula in Orion and other well-known nebulae. CAMPBELL W.W.
1902ApJ....15..287H 3 0 Spectrographic measures of the velocities of gaseous nebulae. HARTMANN J.
1902ApJ....16...53W 5 0 A determination of the wave-lengths of the brighter nebular lines. WRIGHT W.H.
1902ApJ....16..234S 10 1 Determination of the intensity-ratios of the principal lines in the spectra of several gaseous nebulae. SCHEINER J. and WILSING J.
1903ApJ....18..218P 26 2 An application of the Crossley reflector of the Lick Observatory to the study of very faint spectra. PALMER H.K.
1917ApJ....46...24P 89 33 Photographs of nebulae with the 60-inch reflector 1911-1916. PEASE F.G.
1917ApJ....46..175P 16 0 Preliminary examination of the planetary nebulae for preferential motion. PERRINE C.D.
1918PLicO..13...55C 66 224 The planetary nebulae. CURTIS H.D.
1919ApJ....50..376L 43 0 Photographic effective wavelengths of nebulae and clusters. LUNDMARK K. and LINDBLAD B.
1925ApJ....61..389M 200 27 Discovery and observations of stars of class Be. MERRILL P.W., HUMASON M.L. and BURWELL C.G.
1930LicOB..15...86B 7 22 A spectrophotometric study of certain planetary nebulae. BERMAN L.
1941ApJ....93..236A 14 76 Physical processes in gaseous nebulae. XIV. Spectrophotometry of some typical planetary nebulae. ALLER L.H.
1941ApJ....94..436M 2 5 Physical processes in gaseous nebulae. XVII. Fluorescence in high-excitation planetaries. MENZEL D.H. and ALLER L.H.
1942ApJ....95..356W 1 9 157 The spectra of ten gaseous nebulae. WYSE A.B.
1945ApJ...102..239A 11 45 Physical processes in gaseous nebulae. XVIII. The chemical composition of the planetary nebulae. ALLER L.H. and MENZEL D.H.
1949ApJ...109...42A 11 84 Multiplet intensities for the nebular lines 4S-2D of O II. ALLER L.H., UFFORD C.W. and VAN VLECK J.H.
1953GCRV..C......0W viz 13       D               1 15129 835 General Catalogue of Stellar Radial Velocities WILSON R.E.
1954ApJ...120..261M 1 4 44 The structure of the Owl Nebula. MINKOWSKI R. and ALLER L.J.
1954ApJ...120..401A 69 T                   1 1 39 The composition of the planetary nebulae
NGC 7027. 		ALLER L.H.
1955ApJ...122...62A 66 T                   1 6 81 The spectrum of
NGC 7027. 		ALLER L.H., BOWEN I.S. and MINKOWSKI R.
1960ApJ...131..541O 19 51 Electron densities in planetary nebulae. OSTERBROCK D.E.
1960ApJ...132..677C 22 56 Hbeta and (OIII) fluxes from planetary nebulae. CAPRIOTTI E.R. and DAUB C.T.
1960MNRAS.121...76B 69 T                   1 1 27 The abundance of oxygen in the planetary nebula
NGC 7027. 		BURGESS A. and SEATON M.J.
1961ApJ...133....2O 9 31 Photometry and radiometry of gaseous nebulae. OSTERBROCK D.E. and STOCKHAUSEN R.E.
1961ApJ...133..471C 45 82 Hbeta and (OIII) fluxes from planetary nebulae. II. COLLINS G.W., DAUB C.T. and O'DELL C.R.
1962ApJ...135..371O 129 250 A distance scale for planetary nebulae based on emission-line fluxes. O'DELL C.R.
1963ApJ...138...62O 16 41 Balmer-line ratios in planetary nebulae. OSTERBROCK D.E., CAPRIOTTI E.R. and BAUTZ L.P.
1963ApJ...138.1013A 71 T                   1 1 39 The spectrum of
NGC 7027. 		ALLER L.H., BOWEN I.S. and WILSON O.C.
1963JO.....46...27C 25 17 Contribution a l'etude des nebuleuses planetaires grace a la camera electronique. CHOPINET M.
1964PASP...76..231K 2 2 The spectra of hydrogen and helium in two selected planetary nebulae. KALER J.B.
1965AJ.....70..674E 67 T                   1 29 5 Observations of the planetary nebula
NGC 7027 at 8000 Mc/sec. 		EHMAN J.R.
1965ApJ...141..745M 12 24 Radio Observations of Planetary Nebulae. MENON T.K. and TERZIAN Y.
1965ApJ...141.1285O 7 12 Radio-frequence optical depths of planetary nebulae. OSTERBROCK D.E.
1965ApJ...142.1093O 9 29 Interaction of He I and Lyman alpha radiation. O'DELL C.R.
1965AZh....42..464V 27 14 Redetermination of absolute emission line intensities of 25 planetary nebulae. VORONTSOV-VELJAMINOV B.A., KOSTJAKOWA E.B., DOKUCHAJEVA O.D., et al.
1965BOTor..37..155I 103 0 The population assignement of planetary nebulae. IWANOSKA W. and KANTHAK J.
1965BOTT....4...26M 4 5 The determination of the electron density by the (S II) lines. MENDEZ M.E.
1965BAICz..16..221K 111 22 Hamburg Schmidt-camera survey of faint planetary nebulae. KOHOUTEK L.
1966ApJ...143..603G 2 10 12.8 micron emission from planetary nebulae. GOULD R.J.
1966ApJ...143..722K 28 46 Hydrogen and Helium spectra of gaseous nebulae. KALER J.B.
1966ApJ...144..291A 3 2 45 Spectrophotometric studies of gaseous nebulae. VII. The ring planetary NGC 7662. ALLER L.H., KALER J.B. and BOWEN I.S.
1966ApJ...145...84S 1 2 16 The origin of condition in planetary nebulae. SOFIA S.
1966ApJ...145..697O 1 8 59 Emission lines profiles in planetary nebulae. OSTERBROCK D.E., MILLER J.S. and WEEDMAN D.W.
1966MNRAS.132...15H 52 199 The ionization structure of planetary nebulae IV & V. HARMAN R.J. and SEATON M.J.
1966RZh.....3..328B 8 0 Distribution d'energie dans les noyaux de nebuleuses planetaires. BOGORODSKIJ D.F. and TURTSCHANINOWA E.W.
1967AJ.....72..305K 9 3 Central star temperatures of planetary nebulae by Stoy's method. KALER J.B.
1967ApJ...148..295S 5 9 Infrared continuum from H II region. STEIN W.A.
1967ApJ...148..429T 36 36 Measurements of the flux densities positions and angular widths of planetary nebulae at 10 and 21cm wavelengths. THOMPSON A.R., COLVIN R.S. and STANLEY G.J.
1967ApJ...148..927K 9 9 Electron temperatures of ionization nebulae derived from H-beta and radio flux densities. KOCH C.
1967ApJ...149L..97G 87 T                   1 1 121 Infrared observation of planetary nebula
NGC 7027. 		GILLETT F.C., LOW F.J. and STEIN W.A.
1967ApJ...149..377H 12 15 Flux densities of planetary nebulae at 5 GHz. HUGUES M.P.
1967ApJ...149..383K 17 4 Efficiency of Bown fluorescence mechanisms. KALER J.B.
1967ApJ...149..495D 9 49 Infrared emission from planetary nebulae. DELMER T.N., GOULD R.J. and RAMSAY W.
1967ApJ...150...79C 9 21 Lyman-alpha radiation densities in planetary nebulae. CAPRIOTTI E.R.
1967ApJ...150...95C 9 14 Depopulation rate of the 2 3 S states of He in planetary nebulae. CAPRIOTTI E.R.
1967ApJ...150L.157M 15 1 95 New class of compact HII region associated with OH emission sources. MEZGER P.G., ALTENHOFF W., SCHRAML J., et al.
1967ApJ...150..715K 6 1 Radio recombination lines and anomalous Balmer line intensities. KALER J.B. and LEE P.D.
1967MNRAS.135..139D 92 25 Observations of planetary nebule at 3 microwave frequencies. DAVIES J.G., FERRIDAY R.J., HASLAM C.G.T., et al.
1968AJ.....73..223L 6 ~ Level population of hydrogen gaseous nebulae. LEE P.
1968AJ.....73..298K 639 89 Measurements of the flux density of discrete radio sources at centimeter wawelengths. I. Observations at 2695 MHz. (11.3cm). KELLERMANN K.I., PAULINY-TOTH I.I.K. and TYLER W.C.
1968AJ.....73..842M 8 1 52 Seyfert conference galaxy. I- Introductory remarks. MINKOWSKI R.
1968AJ.....73..953P 506 86 Measurements of the flux density and spectra of discrete sources at centimeter wavelengths. II. The observations at 5 GHz (6cm). PAULINY-TOTH I.I.K. and KELLERMANN K.I.
1968ApJ...151L..61S 67 T                   1 2 ~ Thermal emission by particles in
NGC 7027. 		SWANY K.S. and O'DELL C.R.
1968ApJ...151..187A 4 20 Spectrophotometric studies of gaseous nebulae. VIII. The irregular planetary nebula NGC 2440. ALLER L.H., CZYZAK S.J. and KALER J.B.
1968ApJ...151..497R 2 7 89 The helium triplet spectrum in expanded nebulae. I. The capture-cascade intensities. ROBBINS R.R.
1968ApJ...151..511R 2 11 135 The helium triplet spectrum in expanding nebuale. II. Self absorption. ROBBINS R.R.
1968ApJ...154...87V 12 23 The He I lambda 10830 line in planetary nebulae and the Orion nebula. VAUGHAN A.H.
1968ApJ...154..423H 3 1 20 Linear polarization at 2.07 cm. HOBBS R.W. and HOLLINGER J.P.
1968MNRAS.139..129S 3 4 82 Excitation of spectral lines in nebulae by resonant scattering of radiation from central stars. SEATON M.J.
1968PASP...80..155I 5 8 An investigation into the mode of excitation of the symbiotic variables. ILOVAISKY S.A. and WALLERSTEIN G.
1968PASP...80..314W 7 25 Electron densities in planetary nebulae from S II. WEEDMAN D.W.
1968PASP...80..689C 18 9 An investigation of the excitation conditions of (OI) and (NII) in planetary nebulae. CAMPBELL W.A.
1968AnAp...31..199V 20 8 Determination des masses des nebuleuses planetaires par leur flux radio. VAUCLAIR G.
1968ATsir.456....3K 16 0 Investigation of planetary nebulae spectra in near U.V. KOSTYAKOVA E.B.
1968ApL.....1..225L 6 8 Electronic temperature of gaseous nebulae from continuum to line ratios. LEE P.D.
1968ApL.....1..227K 11 15 Electron temperatures of gaseous nebulae from Balmer decrements. KALER J.B.
1968ApL.....2..101G 68 T                   1 1 11 Infrared emission of
NGC 7027. 		GOLDBERG L.
1968CoPer..94..185C 9 0 Ly alpha radiation densities in planetary nebulae. CAPRIOTTI E.R.
1968IRA........109G 2 0 Emission line objects. GOULD R.J.
1968ZA.....68..366D 12 2 Absolute proper motions and space velocities of planetary nebulae. DE VEGT C.
1968IAUS...34...63A 9 2 Observations des nebuleuses planetaires dans l'infrarouge. ANDRILLAT Y.
1968IAUS...34...68A 11 12 Spectres de NGC 1976,6572, IC 418,4997 dans le proche infrarouge photographique. ANDRILLAT Y. and HOUZIAUX L.
1968IAUS...34...76G 67 T                   1 1 0 Infrared observations of the planetary nebula
NGC 7027. 		GILLETT F.C., LOW F.J. and STEIN W.A.
1968IAUS...34...87T 66 32 Observations of planetary nebulae at radio wave-lengths. TERZIAN Y.
1968IAUS...34..106D 11 5 Radio observations of planetary nebulae. DAVIES J.G.
1968IAUS...34..108E 5 2 High resolution observations of 5 planetary nebulae. ELSMORE B.
1968IAUS...34..112T 68 5 Radio measurements of planetary nebulae. THOMPSON A.R.
1968IAUS...34..129S 1 3 22 Review of atomic collision processes. SEATON M.J.
1968IAUS...34..143G 18 1 110 Transition probabilities for forbidden lines. GARSTANG R.H.
1968IAUS...34..155A 61 2 The determination of electron density electron temperature and central star temperature for a series of planetary nebulae. ARHIPOVA V.P. and KOSTJAKOVA E.B.
1968IAUS...34..159A 26 1 On the methods of correction for the interstellar reddening of planetary nebulae. ARHIPOVA V.P.
1968IAUS...34..185C 9 0 Ly-alpha radiation density in planetary nebulae. CAPRIOTTI E.R.
1968IAUS...34..209A 17 42 The chemical composition of planetary nebulae. ALLER L.H. and CZYZAK S.J.
1968IAUS...34..261O 6 0 Observations aspects of the evolution of planetary nebulae their central stars. O'DELL C.R.
1968IAUS...34..339A 65 53 Spectra of the central stars of planetary nebulae. ALLER L.H.
1968IAUS...34..448D 3 0 Radio emission. DAVIES J.G.
1968IAUS...34..456M 7 15 Structure. MINKOWSKI R.
1969AJ.....74..824H 1 5 Observations of radio sources at 4.3 mm wavelength. HOBBS R.W., CORBETT H.H. and SANTINI N.J.
1969ApJ...155L...3S 3 4 81 Circumstellar infrared emission from two peculiar objects - R Aquarii and R Coronae Borealis. STEIN W.A., GAUSTAD J.E., GILLETT F.C., et al.
1969ApJ...155L..97G 1 4 39 Detection of the 12.8 micron Ne+ emission line from the planetary nebula IC 418. GILLETT F.C. and STEIN W.A.
1969ApJ...155..359P 1 5 The (O III) temperature for one "filament" in the Cygnus Loop. PARKER R.A.R.
1969ApJ...155..469K 80 22 Survey of high-frequency radio radiation from planetary nebulae. KAFTAN-KASSIM M.A.
1969ApJ...155..475P 9 16 Reddening curves for planetary nebulae. PIPHER J.L. and TERZIAN Y.
1969ApJ...155..853L 1 2 16 Spectrophotometric studies of gaseous nebulae. XII. The symmetrical pla netary IC 3568. LEE P., ALLER L.H., CZYZAK S.J., et al.
1969ApJ...157L..37W 18 43 Infrared emission from planetary nebulae. WOOLF N.J.
1969ApJ...157L..41R 2 3 38 Radio observations of the nebulae K3-50 and NGC 6857. RUBIN R.H. and TURNER B.E.
1969ApJ...157.1201W 10 1 65 The bowen fluorescence mechanism in planetary nebulae and nuclei of Seyfert galaxies. WEYMANN R.J. and WILLIAMS R.E.
1969MNRAS.145...75V 2 11 Radiative excitation in planetary nebulae. VAN BLERKOM D.
1969PASP...81..488G 6 1 36 Magnetic-quadrupole radiation and solar coronal-de-excitation. GARSTANG R.H.
1969PASP...81..873K 1 4 Formation of planetary nebulae. KRISHNA SWAMY K.S. and STECHER T.P.
1969Afz.....5...83V 22 6 On the expansion of planetary nebulae. VITYAZEV V.V.
1969ATsir.522....1R 9 0 On the Balmer decrement of planetary nebulae. RUBLEV S.V.
1969ApL.....3...87T 67 T                   1 4 17
NGC 7027 and IC 418 at 9.5 mm. 		TERZIAN Y.
1969ApL.....4..183N 5 1 31 Relative intensity of bowen lines. NOSSBAUMER H.
1969ApL.....4..195T 8 19 H 109 alpha line observations of 6 planetary nebulae DR 21 and IC 410. TERZIAN Y. and BALICK B.
1969CoLic..17..271C 30 0 Some problems concerning the collision excitation of forbidden lines in planetary nebulae. CZYZAK S.J., WALKER M.F. and ALLER L.H.
1969MSRSL..17...99S 7 5 Consideration of the forbidden lines of iron in the states from Fe 0 to Fe 6+. SWINGS P. and SWINGS J.P.
1969MSRSL..17..251F 5 3 Forbidden line radiation from gaseous nebulae. FLOWER D.R. and SEATON M.J.
1969MSRSL..17..285V 7 0 Study of forbidden lines in planetary nebulae spectra. VORONTSOV-VELJAMINOV B.A. and KOSTJAKOVA E.B.
1969MSRSL..17..391O 1 1 11 Forbidden lines in galaxy, quasars. OSTERBROCK D.E.
1969Natur.224..752F 4 7 Infrared., microwave astronomie. FELDMAN P.A., REES M.J. and WERNER M.W.
1969S&T....37..282A 8 5 The planetary nebulae. I. ALLER H.L.
1969S&T....38...13A 7 0 The planetary nebulae. III. ALLER L.H.
1969S&T....38..306A 15 0 The planetary nebulae. VII. ALLER H.L.
1969SSRv....2..191W 1 0 Infrared Astron. WEBBINK R.F. and JEFFERS W.Q.
1970A&A.....8..171R 254 34 Radio observations planetary nebulae and possible planetary nebulae. RUBIN R.H.
1970A&A.....9..325V 8 2 On the population of the 2/3.s level of He in planetary nebulae. VAN RENSBERGEN W. and WUYTS J.
1970ApJ...159..263M 2 6 100 Internal dust in gaseous nebulae. MATHIS J.S.
1970ApJ...159..817G 5 22 Infrared studies of galactic nebulae - I - NGC 6523, 6572, and BD +30 3639. GILLETT F.C. and STEIN W.A.
1970ApJ...160..363T 6 9 Attempt to detect neutral hydrogen in planetary nebulae. THOMPSON A.R. and COLVIN R.S.
1970ApJ...160..573B 1 7 74 Cosmic sources of infrared radiation. BURBIDGE G.R. and STEIN W.A.
1970ApJ...160..887K 213 121 Chemical abundances and the parameters of planetary nebulae. KALER J.B.
1970ApJ...160..915O 1 3 24 The planetary nebula BD +30 3639. O'DELL C.R. and TERZIAN Y.
1970ApJ...160..921K 12 65 Some furbidden line intensity ratios in gaseous nebulae. KRUEGER T.K., ALLER L.H. and CZYZAK S.J.
1970ApJ...161L..51P 3 12 He 1 lambda 10830 in gaseous nebulae. PERSSON S.E.
1970ApJ...161L..91N 1 3 35 Infrared observations of the nebula K 3-50. NEUGEBAUER G. and GARMIRE G.
1970ApJ...161L.185R 67 T                   1 4 12 Detection of 10.5 micron line emission from
NGC 7027. 		RANK D.M., HOLTZ J.Z., GEBALLE T.R., et al.
1970ApJ...162...33K 1 3 32 Axially symmetric model planetary nebulae. KIRKPATRICK R.C.
1970ApJ...162..507R 67 T                   1 2 0 Profile of He I 10830 in
NGC 7027 and Orion Nebula. 		ROBBINS R.R.
1970MNRAS.148..367S 3 11 221 Electron density in planetary nebulae. SARAPH H.E. and SEATON M.J.
1970MNRAS.150..359T 60 15 Further radio observations of planetary nebulae. THOMASSON P. and DAVIES J.G.
1970PASP...82..666B 1 0 Planetary nebulae prime-focus or coude. BERGSTRALH J.T.
1970AnWie..29..161M 2 1 Spectra evolution of Nova Vulpeculae 1968-1. MAMMANO A. and ROSINO L.
1970AISAO...2...67R 1 0 On the theory of Balmer decrement of planetary nebulae. RUBLEV S.N.
1970AZh....47..989K 18 1 The investigation of planetary nebulae in the near of ultraviolet region. KOSTJAKOVA E.B.
1970ApL.....5...81B 4 13 Total transition probability for the bowen levels 03. BERRY H.G., BICKEL W.S., MARTINSON I., et al.
1970ApL.....5..151G 68 T                   1 1 7 Recombination lines in
NGC 7027. 		GOLDBERG L.
1970ApL.....5..197T 12 6 Search for interst. No at radio frequencies. TURNER B.E., HEILES C.F. and SCHARLEMANN R.
1970ApL.....6...11H 3 16 Microwave observations of the planetary nebulA K 3-50. HIGGS L.A.
1970ApL.....6...17M 69 T                   1 1 12 A small radio component in
NGC 7027. 		MILEY G.K., WEBSTER W.J. and FULLMER J.W.
1970ApL.....6..189W 69 T                   1 1 16 Observations of
NGC 7027 at 5 GHz. 		WYNN-WILLIAMS C.G.
1970ApL.....7...42W 67 T                   1 1 0 Radio structure of
NGC 7027. 		WEBSTER W.J., WINK J. and ALTENHOFF W.J.
1970TriP..418....0H 9 0 Abbondanza dell'elio nelle stelle., problema degli isotopi. HACK M.
1970S&T....39...15A 8 2 The planetary nebulae. IX. ALLER L.H.
1970S&T....39..368A 5 2 The planetary nebulae. XIII. ALLER L.H.
1970SoSht.166...31A 38 0 Methode of corrected interstellar reddening of planetary nebulae. ARKHIPOVA V.P.
1970TrSht..40...57V 166 3 Catalogue of the abs. int. of the emission lines in spectra planetary nebulae. VORONTSOV-VELYAMINOV B.A.
1970PN70.........1G 50 0 Basic observational data. GURZADIAN G.A.
1970PN70........44G 8 0 The origin of emission lines. GURZADIAN G.A.
1970PN70........74G 19 0 Astrophys. Methods of determin. the dist. of nebulae. GURZADIAN G.A.
1970PN70........80G 50 0 Temperatures of nuclei, electron temperatures, electron concentrations. GURZADIAN G.A.
1970PN70.......141G 21 0 The continuous spectrum of planetary nebulae. GURZADIAN G.A.
1971A&A....10..159H 67 T                   1 1 4 Stark broadening and radio recombination lines in
NGC 7027. 		HOANG-BINH D.
1971A&A....10..161G 166 117 The morphological classification of symmetrical nebulae. GREIG W.E.
1971A&A....11..482P 83 11 A search for OH emission from infrared objects at 1612 MHz. PASCHENKO M., SLYSH V., STRUKOV I., et al.
1971A&A....14...78P 5 6 Temperature and density in gaseous nebulae. II. PERINOTTO M.
1971AJ.....76..193S 35 25 On the distances of planetary nebulae. SMITH H.
1971AJ.....76..537F 2 3 36 Radio-sources: 3.3 mm flux and variability measures. FOGARTY W.G., EPSTEIN E.E., MONTGOMERY J.W., et al.
1971ApJ...164L..29H 7 19 Infrared line emission from planetary nebulae. HOLZ J.Z., GEBALLE T.R. and RANK D.M.
1971ApJ...165L...9H 11 2 137 Far infrared emission from H II region. HARPER D.A. and LOW F.J.
1971ApJ...165L.101M 69 T                   1 2 25 Photoelectric measurements of high Balmer lines in
NGC 7027 and 7662. 		MILLER J.S.
1971ApJ...166..563C 2 1 14 The formation of condensation in planetary nebulae. I. CAPRIOTTI E.R.
1971ApJ...167...77M 7 21 M 17 and Taurus A: 3.4-millimeter contout maps and integrated fluxes. MONTGOMERY J.W., EPSTEIN E.E., OLIVER J.P., et al.
1971ApJ...167...85H 13 7 Search for 3.5-millimeter continuum radiation from infrared stars, and related objects. HOBBS R.W. and MARIONNI P.
1971ApJ...167..223P 4 5 121 Optical studies of Cassiopeia A. IV. Physical conditions in the gaseous remnant. PEIMBERT M. and VAN DEN BERGH S.
1971ApJ...168..413P 2 13 157 Planetary nebulae. III. Chemical abundances. PEIMBERT M. and TORRES-PEIMBERT S.
1971ApJ...168..423K 1 5 The dynamics and infrared radiation of young, dust-filled planetary nebulae. KOVACH W.S.
1971ApJ...169L..77R 12 12 Reduced Helium abundance nebulae. ROBBINS R.R., DALTABUIT E. and COX D.P.
1971ApJ...169..199K 67 T                   1 1 4 Line intensities in
NGC 7027. 		KALER J.B., CZYZAK S.J. and ALLER L.H.
1971ApJS...22..319C 609 455 Distances and distribution of planetary nebulae. CAHN J.H. and KALER J.B.
1971MNRAS.153..315H 121 32 A survey of microwave radiation from planetary nebulae. HIGGS L.A.
1971MNRAS.153..471B 97 2 1173 Calculation of level population for low levels of hydrogen ions in gaseous nebulae. BROCKLEHURST M.
1971PASP...83..166H 4 4 Measurement of strong planetary nebulae at short cm wavelengths. HOBBS R.W. and WAAK J.A.
1971ATsir.623....5K 16 0 The absolute energy distribution in the Balmer continuum spectral regions of 16 planetary nebulae. KOSTYAKOVA E.B.
1971AZh....48.1122K 16 2 Infrared emission from the planetary nebula 2 : observation some planetary nebula in 1.0-2.5 microns region. KROMOV G.S. and MOROZ V.I.
1971ApL.....8...79R 67 T                   1 6 12 Radio recombination line in
NGC 7027. 		RUBIN R.H. and PALMER P.
1971Ap&SS..10..383G 13 6 On the spectrum of a gaseous nebula of pure hydrogen. GEROLA H., SALEM M. and PANAGIA N.
1971Ap&SS..11..309H 142 1 A review of radio observation of planetary nebulae. HECKATHORN J.
1971BOTT....6...21P 1 12 108 Photoelectric photometry. PEIMBERT M. and TORRES-PEIMBERT S.
1971BOTT....6...29P 1 12 116 Electric temperature, electric density. PEIMBERT M.
1971BOTT....6...97P 3 13 (SiI) and (OI) line intensity in gaseous nebulae nuclei of galaxy. PEIMBERT M.
1971BAAS....3..417G 1 0 Balmer lines intensity near serie limit in gaseous nebulae. GOAD L.E.
1971BAAS....3..471T 3 ~ Radio recombination lines from planetary nebulae. TERZIAN Y.
1971IzPul.187....4D 139 2 Statistical investigation of the motions, distribution of planetary nebulae. DEUTSCH A.N.
1971NBSSP.353..161A 4 ~ Chemical composition typical planetary nebulae. ALLER L.H.
1971PAB.....1....1H 443 52 Catalog of radio observations of planetary nebulae, related optical data. HIGGS L.A.
1971Obs....91..110K 2 0 Thermal emission from the grains in the planetary nebula BD +30 3639. KRISHNA SWAMY K.S.
1971PASAu...2...14H 24 1 Galactic infrared astronomy. HYLAND A.R.
1971SvA....14..794K 15 0 Investigation of planetary nebulae in the near ultraviolet region of the spectrum. KOSTYAKOVA E.B.
1972A&A....20..237K 16 59 Brightness and polarization structure of four supernova remnants 3C 58, IC 443, W 28 and W 44 at 2.8 centimeter wavelength. KUNDU M.R. and VELUSAMY T.
1972AJ.....77..350T 16 7 Expected infrared spectra from planetary nebulae. TERZIAN Y. and SANDERS O.
1972AJ.....77..810B 59 38 Measurements of the integral Stockes parameters of compact radio sources. BERGE G.L. and SEIELSTAD G.A.
1972ApJ...171...55D 10 17 The population of He triplet states in gaseous nebulae. DRAKE G.W.F. and ROBBINS R.R.
1972ApJ...172..367G 33 65 Infrared studies of galactic nebulae continuum and line radiation from planetary nebulae. GILLETT F.C., MERRILL K.M. and STEIN W.A.
1972ApJ...172..593M 130 T                   1 1 379 The recombination spectrum of the planetary nebula
NGC 7027. 		MILLER J.S. and MATHEWS W.G.
1972ApJ...173..601K 13 21 Excitation of nebular spectrum lines. KALER J.B.
1972ApJ...175L.105J 13 1 Identification of the 100 micron source no 15. JOHNSON H.M.
1972ApJ...175..117G 2 6 High N-Balmer transition gaseous nebulae. GOAD L.E., GOLDBERG L. and GREENSTEIN J.L.
1972ApJ...175..699W 1 16 107 Observations of planetary nebulae at 1,65 to 3.4 micron. WILLNER S.P., BECKLIN E.E. and VISVANATHAN N.
1972ApJ...176..127H 18 46 Bowen fluorescence mechanism in planetary nebulae. HARRINGTON J.P.
1972ApJ...176..381K 1 6 58 A consistent model of planetary nebulae NGC 7662. KIRKPATRICK R.C.
1972ApJ...178..667F 9 25 Studies of small H II regions. I. Infrared photometry of Sharpless 138, 152, and 270. FROGEL J.A. and PERSSON S.E.
1972MNRAS.157...97L 12 5 The emission spectrum of the ion CIV, polarization of CIV. LEIBOWITZ E.M.
1972ATsir.697....4K 67 T                   1 1 0 Spectrum of
NGC 7027 in near IR. 		KOLOTILOV E.A. and NOSKOVA R.I.
1972AZh....49..971Z 1 4 Results of observation of radio-sources at the short mm wavelengths. ZABOLOTNY V.F., MOISEEV J.G., PAVLOV A.V., et al.
1972AN....293..267G 10 1 On the infrared radiation from planetary nebulae. GURTLER J.
1972ApL....10...41T 1 3 30 Radio recombination lines from planetary nebulae. TERZIAN Y. and BALICK B.
1972MSRSL...5..159P 28 ~ Infrared photometry of compact planetary nebulae. PERSSON S.E. and FROGEL J.A.
1972NPhS..236..103H 2 1 16 Why many infrared astronomical sources emit at of 100 microns. HARWIT M., SOIFER B.T., HOUCK J.R., et al.
1972SvA....15..892K 16 7 Infrared radiation of planetary nebulae. I. Observations at 1.0 - 2.5mu and the continuous spectrum. KHROMOV G.S. and MOROZ V.I.
1973AJ.....78..828K 500 88 Measurements of the flux density and spectra of discrete radio sources at centimeter wavelengths. IV. The observations at 10.7 GHz (2.8 cm). KELLERMANN K.I. and PAULINY-TOTH I.I.K.
1973ApJ...179..495C 10 2 120 The structure and evolution of planetary nebulae. CAPRIOTTI E.R.
1973ApJ...181..825M 3 8 Condensations in planetary nebulae. MOTTMANN J.
1973ApJ...182L.113G 67 T                   1 2 9 Observation of 9 micron line emission from ar 3 in
NGC 7027 and 6572. 		GEBALLE T.R. and RANK D.M.
1973ApJ...182L.117B 69 T                   1 1 17 Fine structure in
NGC 7027. 		BALICK B., BIGNELL C. and TERZIAN Y.
1973ApJ...182..503P 35 25 Infrared photometry of planetary nebulae. PERSSON S.E. and FROGEL J.A.
1973ApJ...183...87G 86 T                   1 3 352 8-13 micron spectra of
NGC 7027, BD +30 3639 and NGC 6572. 		GILLETT F.C., FORREST W.J. and MERRILL K.M.
1973ApJ...184L..29D 3 2 36 Observation of NGC 6302 from 0,35 to 20 microns. DANZIGER I.J., FROGEL J.A. and PERSSON E.
1973ApJ...185..573B 6 1 Observation of He I 5016 and derived optical depths in six planetary nebulae. BERNAT A.P.
1973ApJ...186..899L 5 14 Internal dust in gaseous nebulae. LEIBOWITZ E.M.
1973MNRAS.161p..35S 67 T                   1 1 ~ High resolution observation of
NGC 7027 at 5 GHz. 		SCOTT P.F.
1973MNRAS.161..313H 56 20 Study of radio continuum spectra of planetary nebulae. HIGGS L.A.
1973MNRAS.164..111W 3 3 60 The ionization structure of planetary nebulae. X. The contribution of charge exchange and optically thick condensations to O I radiation. WILLIAMS R.E.
1973MNRAS.164..321S 32 9 Planetary nebulae: two types. SMITH H.
1973MNRAS.164..381W 8 17 Henize 177: slow Nova, symbiotic star, X-ray source ? WEBSTER R.L.
1973MNRAS.165..363A 67 T                   1 7 14 Some features of the infra-red spectrum of
NGC 7027, an estimate of its sulphur abundance. 		AITKEN D.K. and JONES B.
1973PASP...85..100K 68 T                   1 1 7 1973 Spatial distrib. of 11.7 micron radiation of
NGC 7027. 		KNACKE R.F. and DRESSLER A.M.
1973AZh....50..962K 67 T                   1 5 3 Absolute spectrophotometry of the planetary nebula
NGC 7027 in the wavelength range 7000-10,400 A. 		KOLOTILOV E.A. and NOSKOVA R.I.
1973ApL....13..157S 68 T                   1 2 16 Photoelectric photometry of
NGC 7027. 		SCHWARTZ R.D. and PEIMBERT M.
1973ApL....14..115D 70 T                   1 1 19 Forbidden lines of neutral carbon in
NGC 7027. 		DANZIGER I.J. and GOAD L.E.
1973BAAS....5...12K 67 T                   1 1 0 Spectrum
NGC 7027. 		KALER J.B., CZYZAK S.J. and ALLER L.H.
1973BAAS....5..423R 6 0 Photoelectric scans of planetary nebulae. ROBBINS R.R.
1973MSRSL...5...33K 21 1 The optical spectrum of planetary nebulae. KALER J.B.
1973MSRSL...5...57M 13 15 Scanner observations of the Balmer decrement in planetary nebulae. MILLER J.S.
1973MSRSL...5...71N 9 0 Study of the planetary nebula spectra in near infrared. NOSKOVA R.J.
1973MSRSL...5...73K 16 0 Study of the planetary nebulae in near U.V. KOSTJAKOVA E.B.
1973MSRSL...5...89H 14 6 The observation spectra radio data. HIGGS L.A.
1973MSRSL...5..101H 14 2 Study of the radio spectra of planetary nebulae. HIGGS L.A.
1973MSRSL...5..109T 11 1 Radio-line spectra of planetary nebulae. TERZIAN Y.
1973MSRSL...5..115G 3 ~ Observations of radio recombination lines in planetary nebulae. GOAD L.E. and CHAISSON E.J.
1973MSRSL...5..145M 2 1 The continuum emission of planetary nebulae. MILLER J.S.
1973MSRSL...5..153D 4 8 Scanner observations of the continua of planetary nebulae. DANZIGER I.J. and GOAD L.E.
1973MSRSL...5..159P 25 0 Infrared photometry of compact planetary nebulae. PERSSON S.E. and FROGEL J.A.
1973MSRSL...5..179C 1 3 Introductory report. CZYZAK S.J. and ALLER L.H.
1973MSRSL...5..213H 13 3 Linear optical polarization of planetary nebulae. HAMILTON N. and LILLER W.
1973MSRSL...5..225H 3 12 Interpretation of the spectrum of planetary nebulae. HUMMER D.G. and SEATON M.J.
1973MSRSL...5..243K 19 2 Relative (OII) and (AIV) density indication of nebula structure. KIRKPATRICK R.C.
1973MSRSL...5..263R 14 28 Optical depth effects in the He singlet spectrum of nebulae. ROBBINS R.R. and BERNAT A.P.
1973MSRSL...5..285A 21 9 Introduction report : chemical composition of planetary nebulae. ALLER L.H. and CZYZAK S.J.
1973MSRSL...5..321S 11 9 Introductory report. SWINGS J.P.
1973MSRSL...5..341F 2 0 Infrared photometry of small H II region. FROGEL J.A. and PERSSON S.E.
1973MSRSL...5..391O 4 17 And evolution of planetary nebulae. OSTERBROCK D.E.
1973PROE....9...48S 5 0 Infrared observations at Tenerife. SELBY M.J.
1973IAUS...52..237C 50 4 Galactic dust distribution in the solar neighborhood. CAHN J.M. and NOSEK R.D.
1974A&A....34..141B 16 10 A calculation of infrared spectra from dust in planetary nebulae. BUSSOLETTI E., EPCHTEIN N. and BALUTEAU J.-P.
1974A&A....34..181C 11 54 Properties and evolution of Bq stars. CIATTI F., D'ODORICO S. and MAMMANO A.
1974AJ.....79..129C 68 ~ Interferometric survey of planetary nebulae. CAHN J.H. and RUBIN R.H.
1974AJ.....79.1384C 62 235 New proper motions, statistical parallaxes and kinematics of planetary nebulae. CUDWORTH K.M.
1974ApJ...187..283B 10 44 Filamentary structure in planetary nebulae. BOESHAAR G.O.
1974ApJ...188L..15K 6 19 High He abundances in two planetary nebulae. KALER J.B.
1974ApJ...188..257T 22 92 Radio-synthesis observations of planetary nebulae. TERZIAN Y., BALICK B. and BIGNELL C.
1974ApJ...190..353J 5 29 Infrared emission by dust in NGC 1068 and three planetary nebulae. JAMESON R.F., LONGMORE A.J., McLINN J.A., et al.
1974ApJ...192..165S 25 8 Radio-continuum measurements of planetary nebulae at 15,5 GHz. SISTLA G., KOJOIAN G. and CHAISSON E.J.
1974ApJ...193..687B 10 17 Recombination lines in planetary nebulae at 15 Gigahertz. BIGNELL R.C.
1974PASP...86..609O 72 T                   1 1 27 On the location of the extinction in
NGC 7027. 		OSTERBROCK D.E.
1974PASP...86..635K 3 17 The expansion, a possible structure of planetary nebula NGC 2440. KALER J.B. and ALLER L.H.
1974ARA&A..12..331M 9 48 Planetary nebulae. MILLER J.S.
1974BAAS....6..464T 68 T                   1 1 1 45 to 150 microns observations of
NGC 7027. 		TELESCO C.M., HARPER D.A., LOEWENSTEIN R.F., et al.
1974BAAS....6..465B 1 0 The rocket U.V. spectrum of the planetary nebula 7027. BOLHIN R.C. and STECKER T.P.
1974MmSAI..45..387B 4 0 On the dust content of some planetary nebulae. BUSSOLETTI E., BALUTEAU J.-P. and EPCHTEIN N.
1974QJRAS..15...60Z 3 0 Planetary nebulae. ZANSTRA M.
1974QJRAS..15..370S 5 12 Temperature of gaseous nebulae a decade of depression. SEATON M.J.
1974SoSht.188....3K 15 0 Calculation of Balmer-continuum radiation for planetary nebulae considering their physical condition. KOSTYAKOVA E.B.
1974SvA....18..195K 43 2 Infrared radiation of planetary nebulae. 2. New and revised observations at 1.0-2.5 mu. KHROMOV G.S.
1974VA.....16..309T 27 2 The planetary nebulae as radio sources. THOMPSON A.R.
1974IAUS...60..417T 4 0 Fine structure in planetary nebulae. TERZIAN Y.
1975A&A....38..475D 5 4 The infrared continuum of the compact planetary nebula NGC 6210. DANZIGER I.J.
1975A&A....39...43S 23 76 Infrared forbidden lines in H II regions and planetary nebulae. SIMPSON J.P.
1975A&A....39..383P 43 10 On the nebular mass of planetary nebulae. PERINOTTO M.
1975A&A....41...99A 17 8 Spectres de quelques nebuleuses planetaires entre 8000 et 11000 A. ANDRILLAT Y., BARANNE A. and HOUZIAUX L.
1975AJ.....80..679B 13 13 Observations of nine supernova remnants at 10.6 GHz. BECKER R.H. and KUNDU M.R.
1975ApJ...195L.125B 76 T                   1 1 41 Identification of the 890 cm-1 carbonate signature in
NGC 7027. 		BREGMAN J.D. and RANK D.M.
1975ApJ...195..475S 76 T                   1 1 41 The underabundance of gaseous iron in the planetary nebula
NGC 7027. 		SHIELDS G.A.
1975ApJ...195..695B 6 24 Chemical abundances in planetary nebulae. BOESHAAR G.O.
1975ApJ...200L..37M 85 T                   1 1 86 The 2-4 microns spectrum of
NGC 7027. 		MERRILL R.M., SOIFER B.T. and RUSSELL R.W.
1975ApJ...200...83D 36 ~ Oxygen abundances in planetary nebulae. DAUB C.T.
1975ApJ...201L..85M 2 14 143 The detection of carbon monoxide emission in planetary nebulae. MUFSON S.L., LYON J. and MARIONNI P.A.
1975ApJ...201..705B 5 2 56 Observable effects of dust on the ionization of nebulae. BALICK B.
1975ApJ...202..195F 11 1 56 Models of planetary nebulae with dust. FERCH R.L. and SALPETER E.E.
1975ApJ...202..415B 76 T                   1 1 43 The rocket ultraviolet spectrum of the planetary nebula
NGC 7027. 		BOHLIN R.C., MARIONNI P.A. and STECHER T.P.
1975MNRAS.170..115R 1 3 The high frequency radio spectra of secondary standard sources. ROSS H.N. and SEAQUIST E.R.
1975MNRAS.170..487S 11 14 High resolution observations of planetary nebulae at 5 GHz. SCOTT P.F.
1975MNRAS.171..415C 68 T                   1 7 34 Monochromatic isophotometry of planetary nebulae. I. Hbeta observations of NGC 6210, 6543, 6826, 7009,
7027 and 7662. 		COLEMAN C.I., REAY N.K. and WORSWICK S.P.
1975MNRAS.172..249G 5 8 The ultraviolet spectrum of planetary nebula IC 2149. GURZADYAN G.A.
1975Ap&SS..34...81B 4 1 Thermal emission spectra of silicates from planetary nebulae. BUSSOLETTI E., BALUTEAU J.-P. and EPCHTEIN N.
1975BAAS....7..243K 68 T                   1 1 1 The physical conditions in
NGC 7027. 		KALER J.B., ALLER L.H., CZYZAK S.J., et al.
1975BAAS....7..244A 68 T                   1 1 0 The infrared emissivity profile of the dust of
NGC 7027. 		APRUZESE J.P.
1975BAAS....7..244T 5 2 The structure of planetary nebulae. TERZIAN Y.
1976A&A....47..341D 11 45 Pregalactic He abundance and abundance gradients across our galaxy from planetary nebulae. D'ODORICO S., PEIMBERT M. and SABBADIN F.
1976A&A....48..331C 68 T                   1 6 26 Recombination line observations of the planetary nebulae NGC 6543, M 1-78 and
NGC 7027. 		CHURCHWELL E., TERZIAN Y. and WALMSLEY M.
1976A&A....50..389M 5 7 The spatial distribution of dust in the planetary nebulae NGC 6537, IC 418, BD +30 3639 and NGC 6572. MacGREGOR A.D., SANCHEZ MAGRO C., SELBY M.J., et al.
1976A&A....52..291S 1 3 16 Spectroscopic observations of the planetary nebula NGC 2346. SABBADIN F.
1976AJ.....81..407C 171 71 Interstellar extinction: a calibration by planetary nebulae. CAHN J.H.
1976AJ.....81.1084G 212 28 Measurements of the flux densities and spectra of discrete radio sources at centimeter wavelengths. The observations at 14.9 GHz (2 cm). GENZEL R., PAULINY-TOTH I.I.K., PREUSS E., et al.
1976ApJ...203..177A 68 T                   1 1 4 Radiative transfer in spherical circumstellar dust enveloppes. IV. The infrared emissivity profile and composition of the dust in
NGC 7027. 		APRUZESE J.P.
1976ApJ...204..441B 11 6 Radio synthesis observations of planetary nebulae. II. A search for sub-arcsecond structure. BALICK B. and TERZIAN Y.
1976ApJ...205L..11G 7 1 39 Additionnal observations of the unidentified infrared features at 3.28 and 3.4 microns. GRASDALEN G.L. and JOYCE R.R.
1976ApJ...205L..15Z 2 11 120 CRL 2688: a post-carbon star object and probable planetary nebulae progenitor. ZUCKERMAN B., GILRA D.P., TURNER B.E., et al.
1976ApJ...205L..21L 2 7 95 CRL 2688 and CRL 618 : proto-planetary nebulae ? LO K.Y. and BECHIS K.P.
1976ApJ...205...74A 1 5 49 On the number of planetary nebulae in our galaxy. ALLOIN D., CRUZ-GONZALEZ C. and PEIMBERT M.
1976ApJ...206..658G 1 11 92 The excitation of permitted lines in gaseous nebulae. GRANDI S.A.
1976ApJ...209..108Z 1 2 13 Reddening of planetary nebula: NGC 2392. ZIPOY D.M.
1976ApJ...209..793T 101 T                   1 1 168 The spectrum of the planetary nebula
NGC 7027 from 0.9 to 2.7 microns. 		TREFFERS R.R., FINK U., LARSON H.P., et al.
1976ApJ...210..108C 71 T                   1 1 17 A radio recombination-line of the planetary nebula
NGC 7027. 		CHAISSON E.J. and MALKAN M.A.
1976ApJ...210..113K 25 60 Photoelectric filter photometry of planetary nebulae. KALER J.B.
1976ApJ...210..518I 2 0 Energy balance of infrared radiation in planetary nebulae. IYENGAR K.V.K. and KRISHNA SWAMY K.S.
1976ApJS...31..163K 80 T                   1 2 129 The spectrum of
NGC 7027. 		KALER J.B., ALLER L.H., CZYZAK S.J., et al.
1976ApJS...31..517K 334 358 A catalog of relative emission line intensities observed in planetary and diffuse nebulae. KALER J.B.
1976MNRAS.175..371H 4 3 72 Observations of five thermal sources at 15 GHz with the 5-km telescope. HARRIS S. and SCOTT P.F.
1976MNRAS.176..409H 69 T                   1 4 20 The structure and internal extinction of
NGC 7027. 		HICKS T.R., PHILLIPS J.P. and REAY N.K.
1976PASP...88..603A 68 T                   1 1 1 On the infrared emission by dust in
NGC 7027. 		AANNESTAD P.A.
1976PASP...88..672H 13 2 A determination of R from optical and radio observations of planetary nebulae. HAWLEY S.A. and DUNCAN D.K.
1976PASP...88..738D 68 T                   1 4 10 The infrared spectra of
NGC 7027 and BD +30 3639. 		DYCK H.M. and SIMON T.
1976PASP...88..891G 3 ~ Two-photon emission in planetary nebula IC 2149. GURZADYAN G.A.
1976AZh....53..534K 39 0 Evolution of planetary nebulae and their nuclei-analytical review of spectrophotometric observational data. KHROMOV G.S.
1976AZh....53..762K 76 4 Evolution of planetary nebulae and their nuclei correction for stellar absorption and typical nebular spectrum KHROMOV G.S.
1976AZh....53..961K 96 4 Evolution of the planetary nebulae and their nuclei: density of the planetary nebulae and its evolutionary changes. KHROMOV G.S.
1976AZh....53.1202K 10 3 Outer layers and dynamics of planetary nebulae. KHROMOV G.S.
1976AZh....53.1210N 9 3 Detailed spectrophotometry of the planetary nebulae NGC 6572, 6891 and 7662 in the near infrared. NOSKOVA R.I.
1976ApL....17..163K 69 T                   1 1 5 Continuum observations and the electron temperature of
NGC 7027. 		KALER J.B.
1976BAAS....8Q.289G 68 T                   1 1 0 Spatial and velocity structure of
NGC 7027. 		GULL T.R. and PERCIVAL J.
1976BAAS....8Z.289G 2 0 Detection of SIII fine structure emission at 18,9mu.m in galactic sources. GREENBERG L.T., DYAL P. and GEBALLE T.R.
1976MSRSL...9..355A 15 ~ Spectres des etoiles chaudes et des nebuleuses planetaires dans le proche infrarouge. ANDRILLAT Y.
1976MmSAI..47..177P 7 0 Le nebulose planetarie. PERINOTTO M.
1976MmSAI..47..313F 12 2 Theoretical predictions of the ultraviolet spectra of planetary nebulae. FLOWER D.R.
1976MitAG..40..132W 68 T                   1 1 0 Stossverbreiterung der Radiorekombinationslinien in
NGC 7027. 		WALMSLEY C.M.
1976SoSht.195....3K 53 0 The weighted average emission-line intensities in 54 planetary nebulae spectra. KOSTYAKOVA E.B.
1976TrSht..47..222K 53 0 The analysis of the catalogue of the planetary nebulae spectral line intensities. KOSTYAKOVA E.B.
1976Lub75...1...43K 5 0 Planetary nebulae - what we see and what we know. KIRKPATRICK R.C.
1976Lub75...1...59R 68 T                   1 8 0 Photoelectric scans of the planetary nebulae
NGC 7027. 		ROBBINS R.R.
1977A&A....54..435P 31 63 Ultraviolet observations of planetary nebulae. POTTASCH S.R., WESSELIUS P.R., WU C.C., et al.
1977A&A....56..189K 21 18 The dust to gas ratio and internal extinction in planetary nebulae. KOEPPEN J.
1977A&A....58L..29M 35 3 The evolution of line intensity ratios in planetary nebulae. MINELLO S. and SABBADIN F.
1977A&A....58..411P 71 T                   1 1 18 On the low excitation emission from the planetary nebula
NGC 7027. 		PEQUIGNOT D., ALDROVANDI S.M.V. and STASINSKA G.
1977A&A....59...91P 13 57 On the structural development of the shells of novae and planetary nebulae. PHILLIPS J.P. and REAY N.K.
1977A&A....60..345S 1 1 8 Radio observations of CH towards various galactic objects. SUME A. and IRVINE W.M.
1977A&A....60..433P 68 T                   1 1 2 On the density gradient in
NGC 7027. 		PERINOTTO M.
1977A&A....61..141W 1 4 Stimulated emission of the He+ radio recombination lines. WEISHEIT J. and WALMSLEY C.M.
1977A&AS...27..277G 7 3 A compilation of fluorescent molecular lines originating in or around stellar objects with strong atomic emission lines. GAHM G.F., LINDGREN B. and LINDROOS K.P.
1977A&AS...30..217A 982 4 Bibliographical index of planetary nebulae for the period 1965-1976. ACKER A. and MARCOUT J.
1977ApJ...211L..97Z 74 98 Expanding molecular envelopes around evolved stars. ZUCKERMAN B., PALMER P., MORRIS M., et al.
1977ApJ...211..475T 79 T                   1 1 57 Far-infrared observations of
NGC 7027. 		TELESCO C.M. and HARPER D.A.
1977ApJ...213...66R 4 4 98 Observations of the unidentified 3-3 micrometer emission feature in nebulae. RUSSELL R.W., SOIFER B.T. and MERRILL K.M.
1977ApJ...213L..71G 4 2 41 Detection of (SIII) fine structure emission in ionized nebulae. GREENBERG L.T., DYAL P. and GEBALLE T.R.
1977ApJ...215L..79K 9 35 Spectral and spatial observations of the unusual object AFGL 437. KLEINMANN S.G., SARGENT D.G., GILLETT F.C., et al.
1977ApJ...215..533C 2 5 60 The nature of V645 Cygni =CRL 2789. COHEN M.
1977ApJ...216..526K 3 14 Mass loss, long-period variables, and the formation of circumstellar shells. KAFATOS M. and MICHALITSIANOS A.G.
1977ApJ...217L.149R 105 T                   1 1 187 The 4 to 8 micron spectrum of
NGC 7027. 		RUSSELL R.W., SOIFER B.T. and WILLNER S.P.
1977ApJ...218..142K 7 2 76 Spectra of Cassiopeia A. I. Observations. KIRSHNER R.P. and CHEVALIER R.A.
1977MNRAS.181..233C 3 3 45 A study of the planetary nebulae Abell 30 and Abell 78. COHEN M., HUDSON H.S., O'DELL S.L., et al.
1977PASP...89..618K 6 0 Planetary nebulae, models, chemical compositions and frustrations. KEYES C.D. and ALLER L.H.
1977ATsir.947....3N 9 0 The observations of 9 planetary nebulae in the spectral region 6000-7000A. NOSKOVA R.I.
1977BAAS....9..601B 4 ~ VLA radio maps of four planetary nebulae. BALICK B., HJELLMING R. and BIGNELL C.
1977MmRAS..83....1T 2 13 140 The evolution of the nebular spectrum of the slow nova RR Telescopii. THACKERAY A.D.
1977PW&SO...2...71S 120 17 New position determinations, and other data, for 1280 known Halpha-emission stars in the Milky Way. STEPHENSON C.B. and SANDULEAK N.
1977PSCDS...1....0F 6 0 Bibliography on molecular lines in galactic objects. FERNANDEZ A., LE SQUEREN A.M. and LORTET M.C.
1977RMxAA...2..181T 1 42 376 Photoelectric photometry and physical conditions of planetary nebulae. TORRES-PEIMBERT S. and PEIMBERT M.
1977S&T....54..459T 14 0 Recent findings about planetary nebulae. TERZIAN Y.
1978A&A....62...95P 40 80 Ultraviolet radiation from planetary nebulae. II. Radiation from the central stars. POTTASCH S.R., WESSELIUS P.R., WU C.C., et al.
1978A&A....63..313P 94 T                   1 1 130 Charge transfer reactions: a consistent model of the planetary nebula
NGC 7027. 		PEQUIGNOT D., ALDROVANDI S.M.V. and STASINSKA G.
1978A&A....68L...7H 4 10 Neutral carbon emission in M 42. HIPPELEIN H. and MUNCH G.
1978A&A....69..363K 19 23 Determination of temperatures of central stars of planetary nebulae. KOEPPEN J. and TARAFDAR S.P.
1978A&A....70...37N 3 12 (Fe VI) emission under nebular conditions. NUSSBAUMER H. and STOREY P.J.
1978A&A....70..629P 19 25 Ultraviolet observations of planetary nebulae. POTTASCH S.R., WESSELIUS P.R. and VAN DUINEN R.J.
1978A&AS...33..223S 115 13 Statistical properties of planetary nebulae: graphic presentation. SABBADIN F. and MINELLO S.
1978A&AS...33..367A 331 218 A new synthetic distance scale for planetary nebulae. ACKER A.
1978AJ.....83..863A 105 129 A ten-year study of extragalactic variables sources at centimeter wavelengths. ANDREW B.H., MacLEOD J.M., HARVEY G.A., et al.
1978AJ.....83.1420S 3 1 Search with Copernicus for ultraviolet emission lines in the planetary nebulae NGC 3242. SCHWARTZ R.D., SNOW T.P. and UPSON W.L.
1978ApJ...219L..33B 2 10 114 Detection of molecular hydrogen emission from five planetary nebulae. BECKWITH S., PERSSON S.E. and GATLEY I.
1978ApJ...219..477S 1 7 55 Photoelectric polarization maps of two bipolar reflection nebulae. SCHMIDT G.D., ANGEL J.R.P. and BEAVER E.A.
1978ApJ...219..559S 1 6 47 Gas-phase abundances of iron and carbon in planetary nebulae. SHIELDS G.A.
1978ApJ...219..565S 74 T                   1 2 64 Ionization structure and composition of the planetary nebula
NGC 7027. 		SHIELDS G.A.
1978ApJ...219..575B 3 3 45 The rocket-ultraviolet spectrum and models of the planetary nebula NGC 7662. BOHLIN R.C., HARRINGTON J.P. and STECHER T.P.
1978ApJ...219..914B 1 43 227 Spectrophotometry of planetary nebulae. I. Physical conditions. BARKER T.
1978ApJ...220..193B 43 119 Spectrophotometry of planetary nebulae. II. Chemical abundances. BARKER T.
1978ApJ...220..568R 6 3 103 The infrared spectra of CRL 618 and HD 44179 (CRL 915). RUSSELL R.W., SOIFER B.T. and WILLNER S.P.
1978ApJ...222..125B 19 1 96 Molecules in planetary nebulae. BLACK J.H.
1978ApJ...222..384G 2 6 79 Electron collisional excitation cross sections For Fe 3 and Fe 6 and iron abundances in gaseous nebulae. GARSTANG R.H., ROBB W.D. and ROUNTREE S.P.
1978ApJ...223..140T 1 4 A search for emission from vibrationally excited H2. TRAUB W.A., CARLETON N.P. and BLACK J.H.
1978ApJ...223..464B 6 9 282 Observations of the molecular hydrogen emission from the Orion nebula. BECKWITH S., PERSSON S.E., NEUGEBAUER G., et al.
1978ApJ...223..901A 8 39 Photoelectric spectrophotometry of compact nebulae. AHERN F.J.
1978ApJ...224..109M 76 T                   1 1 44 16-38 micron spectroscopy of
NGC 7027. 		McCARTHY J.F., FORREST W.J. and HOUCK J.R.
1978ApJ...225..527K 58 65 Galactic abundances of neon, argon and chlorine derived from planetary nebulae. KALER J.B.
1978ApJ...226..947K 93 103 The enrichment of He in planetary nebulae. KALER J.B.
1978MNRAS.182..657S 3 4 The structure of the emission nebula M 1-78 at 15,4 GHz. SCOTT P.F. and HARRIS S.
1978MNRAS.183..237W 11 1 55 Two micron line emission from the H2 region G 333.6-0.2. WYNN-WILLIAMS C.G., BECKLIN E.E., MATTHEWS K., et al.
1978PASP...90..125G 3 2 31 Element abundances in gaseous nebulae: a model analysis of ionization-correction formulae. GRANDI S.A. and HAWLEY S.A.
1978PASP...90..257S 70 T                   1 1 11 Observations of
NGC 7027 in the near infrared. 		SCRIMGER J.N., LOWE R.P., MOORHEAD J.M., et al.
1978PASP...90..333C 69 T                   1 1 8 Astrometry with a small Schmidt telescope: the position of
NGC 7027. 		CUDWORTH K.M. and ORAVECZ M.
1978PASP...90..548B 69 T                   1 1 5 The distribution of S IV and Ne II in
NGC 7027. 		BREGMAN J.D.
1978ApL....19...75B 3 13 The spectrum of HM Sge: a planetary nebulae excited by a Wolf-Rayet star. BROWN L.W., FEIBELMAN W.A., HOBBS R.W., et al.
1978Ap.....14...31A 68 T                   1 2 0 Observations of the planetary nebula
NGC 7027 and NGC 7293 at the Kottamia Observatory. 		ASSAD A.S., HASSAN S.M. and KHROMOV G.S.
1978Ap&SS..59...91K 7 15 Theoretical models of planetary nebulae. KEYES C.D. and ALLER L.H.
1978LicOB.775....1O 9 3 Physical state of the emission-line region. OSTERBROCK D.E.
1978MmSAI..49..673D 3 0 First observations with the reticon spectrophotometer at Cima Ekar Observatory. DI SEREGO ALIGHIERI S.
1978S&T....56..199H 4 4 Mapping planetary nebulae with the VLA. HJELLMING R.M., BIGNELL R.C. and BALICK B.
1978IAUS...76...71M 4 6 Advances in optical studies of planetary nebulae. MILLER J.S.
1978IAUS...76...79G 19 0 Ultraviolet observations of planetary nebulae. GURZADYAN G.A.
1978IAUS...76...93P 24 3 Advances in ultraviolet observations. POTTASCH S.R.
1978IAUS...76..103R 4 2 Advances in infrared observations of planetary nebulae. RANK D.M.
1978IAUS...76..111T 13 4 Planetary nebulae : advances in radio observations. TERZIAN Y.
1978IAUS...76p.121B 2 ~ Observations of NGC 7662 from 1300 to 2850 A. BOHLIN R.C. and STECHER T.P.
1978IAUS...76..123A 12 0 Emission lines in the near infrared spectra of faint planetary nebulae. ANDRILLAT Y. and HOUZIAUX L.
1978IAUS...76..125M 68 T                   1 1 0 Medium resolution spectroscopy of
NGC 7027 from 16 to 38 microns. 		McCARTHY J.F., FORREST W.J. and HOUCK J.R.
1978IAUS...76..126G 2 0 Observations of infrared fine-structure lines : (S III). GREENBERG L.T.
1978IAUS...76..127C 3 0 Radio spectroscopy of planetary nebulae. CHAISSON E.J.
1978IAUS...76..131S 2 2 23 Advances in studies of physical processes. SEATON M.J.
1978IAUS...76..139D 1 1 7 Atomic and molecular data. DALGARNO A.
1978IAUS...76..151H 7 6 Ionization models of planetary nebulae. HARRINGTON J.P.
1978IAUS...76..162P 68 T                   1 1 2 A theoretical model
NGC 7027. 		PEQUIGNOT D.
1978IAUS...76..185L 19 13 Observations of central stars. LUTZ J.H.
1978IAUS...76..215P 6 12 362 Chemical abundances in planetary nebulae. PEIMBERT M.
1978IAUS...76..225A 9 19 Some aspects of chemical abundances determinations in planetary nebulae. ALLER L.H.
1978IAUS...76..263C 12 15 Morphology of planetary nebulae. CAPRIOTTI E.R.
1978IAUS...76..275B 1 1 6 Dust in planetary nebulae : observational considerations. BALICK B.
1978IAUS...76..281M 6 11 Dust in planetary nebulae. MATHIS J.S.
1978IAUS...76..305Z 1 4 24 Proto-planetary nebulae. ZUCKERMAN B.
1978IAUS...76..325P 7 0 Radio measurements of possible proto-planetary nebulae. PURTON C.R. and FELDMAN P.A.
1978IAUS...76..357P 68 T                   1 1 0 Density distribution and chemical abundances in
NGC 7027. 		PREITE-MARTINEZ A. and PANAGIA N.
1978IAUS...76..361O 2 0 Symposium conclusions I. OSTERBROCK D.E.
1978IAUS...76..367F 2 3 Symposium conclusions II. FIELD G.B.
1979A&A....72..361F 3 1 19 On the formation and destruction of He H+ in gaseous nebulae and the associated infrared emission line spectrum. FLOWER D.R. and ROUEFF E.
1979A&A....74...85S 10 39 The Butterfly Nebula M 2-9: its possible relation to Be stars and/or to protoplanetary nebula. SWINGS J.P. and ANDRILLAT Y.
1979A&A....75L..17N 13 1 68 C III observable with the IUE. NUSSBAUMER H. and SCHILD H.
1979A&A....76...69F 9 23 A comparison of optical and radio structures of planetary nebulae. FELLI M. and PERINOTTO M.
1979A&A....77..327I 1 4 27 The interaction of high-velocity planetary nebulae with the interstellar medium. ISAACMAN R.
1979A&A....78...29P 69 T                   1 1 5 Effect of dust on the (OII) emission from the planetary nebula
NGC 7027. 		PEQUIGNOT D.
1979A&A....80...42K 2 8 Photoionization models for gaseous nebula. KOEPPEN J.
1979A&AS...35...23A viz 21 3 326 Survey of the galactic plane at 4.875 GHz. ALTENHOFF W.J., DOWNES D., PAULS T., et al.
1979A&AS...37....1T 1 17 108 A survey of OH near the galactic plane. TURNER B.E.
1979AJ.....84..538G 2 2 26 Ground-based observations of sources in the AFGL infrared sky survey. GOSNELL T.R., HUDSON H. and PUETTER R.C.
1979ApJ...227L..97R 1 5 28 The probable detection of interstellar 3He+ and its significance. ROOD R.T., WILSON T.L. and STEIGMAN G.
1979ApJ...227..863B 7 21 A comparison of forbidden-line and optical continuum electron temperatures in gaseous nebulae. BARKER T.
1979ApJ...228..163K 98 65 The enrichment of nitrogen and He in planetary nebulae. KALER J.B.
1979ApJ...228..521S 4 9 Iron condensation and the formation of planetary nebulae. SCALO J.M. and SHIELDS G.A.
1979ApJ...229..981L 1 3 20 Infrared and optical measurements of the ionized gas in K 3-50. LESTER D.F., DINERSTEIN H.L. and RANK D.M.
1979ApJ...230..149W 2 4 53 High-resolution observations of CO in IRC +10216 and three related objects. WANNIER P.G., LEIGHTON R.B., KNAPP G.R., et al.
1979ApJ...232..782R 2 2 28 Infrared line observations of DR 21, W 75N and K 3-50. RIGHINI-COHEN G., SIMON M. and YOUNG E.T.
1979ApJ...232..786A 86 T                   1 1 91 The structure of
NGC 7027. 		ATHERTON P.D., HICKS T.R., REAY N.K., et al.
1979ApJ...233..109S 3 2 37 Observations of far-infrared fine structure lines: (OIII) 88.35 microns and (OI) 63.2 microns. STOREY J.W.V., WATSON D.M. and TOWNES C.H.
1979ApJ...233..925A 1 16 104 8-13 micron spectrophotometry of planetary nebulae. AITKEN D.K., ROCHE P.F., SPENSER P.M., et al.
1979ApJ...234..496W 2 4 52 Infrared spectra of IC 418 and NGC 6572. WILLNER S.P., JONES B., PUETTER R.C., et al.
1979ApJS...39..405V 5 1 29 A theoretical study of the radio recombination line and continuum emission from compacity of inhomogeneous H2 regions. VINER M.R., VALLEE J.P. and HUGHES V.A.
1979MNRAS.187p...1L 2 ~ The (Ne IV) 2D-4S lines in the planetary nebula NGC 7662. LUTZ J.H. and SEATON M.J.
1979MNRAS.187p..73S 1 ~ Interstellar extinction in the UV. SEATON M.J.
1979MNRAS.187..785S 77 T                   1 2 95 Extinction of
NGC 7027. 		SEATON M.J.
1979MNRAS.188..229C 2 3 43 A comparison of the spectra of the ring and ansae in NGC 7009. CZYZAK S.J. and ALLER L.H.
1979PASP...91..168H 70 T                   1 1 10 A possible identification of the central star of
NGC 7027. 		HARLAN E.A. and MILLER J.S.
1979PASP...91..830S 126 ~ Molecular line observations of AFGL sources. ST CLAIR DINGER A., DICKINSON D.F., GOTTLIEB C.A., et al.
1979AcA....29..355T 5 11 Helium shell flashes and ionization of planetary nebulae. TYLENDA R.
1979ARA&A..17....9M 24 52 Infrared spectroscopy of stars. MERRILL K.M. and RIDGWAY S.T.
1979Afz....15..269K 176 8 Distances and galactic distribution of planetary nebulae. KHROMOV G.S.
1979Ap&SS..61..243D 9 2 Emission lines due to interstellar dust in the visible spectra of nebulae. DULEY W.W.
1979Ap&SS..65...95W 1 2 18 Unidentified infrared spectral features. WILLNER S.P., PUETTER R.C., RUSSELL R.W., et al.
1979BAAS...11..393S 1 ~ Molecular hydrogen: 2 mu observations of temperature and velocity in NGC 7027 and T Tau, and evidence for changes in the S(1) line width in Orion. SMITH H.A., FINK U., LARSON H.P., et al.
1979BAAS...11..627M 68 T                   1 1 0 The 63 mu-m (O I) line emission from
NGC 7027. 		MELNICK G.J., RUSSELL R.W., GULL G.E., et al.
1979BAAS...11..645Y 68 T                   1 1 0 High resolution spectra of unidentified 3,3 mu-m. Features in
NGC 7027 and HD 44179. 		YOUNG E.T. and TOKUNAGA A.T.
1979ByuRe..15..461G 4 0 On emission lines of MgII and Ca II in planetary nebulae. GURZADYAN G.A.
1979IzKry..59..167G 45 5 The abundance of helium, oxygen and neon in planetary nebulae. GOLOVATYI V.V., PRONIK V.I. and YATSYK O.S.
1979JRASC..73..300K 1 0 Dust in planetary nebulae. KWOK S.
1979S&T....57..347K 3 0 Solid particules in space-circumstellar grains. KNACKE R.F.
1979SvA....23..297N 9 1 Physical parameters of nine planetary nebulae. NOSKOVA R.I.
1979SvA....23..425P 168 12 Evolution of planetary nebulae : the temperature of their central stars. PILYUGIN L.S. and KHROMOV G.S.
1979VA.....23...45G 19 3 Ultraviolet spectra of planetary nebulae. GURZADYAN G.A.
1980A&A....81..121P 73 T                   1 1 28 An abundance gradient for gaseous magnesium in the planetary nebula
NGC 7027. 		PEQUIGNOT D. and STASINSKA G.
1980A&A....81..356P 3 2 34 Charge transfer reactions in some astrophysical situations. PEQUIGNOT D.
1980A&A....83...52P 2 2 21 Charge transfer reactions: II. A photoionization model of the planetary nebula NGC 7662. PEQUIGNOT D.
1980A&A....84..216S 4 10 Spectroscopic observations of the compact PN M 4-18. SABBADIN F.
1980A&A....85L..15K 4 7 High dispersion EUV observations of planetary nebulae. KOEPPEN J. and WEHRSE R.
1980A&A....85..332P 70 T                   1 3 43 Physical conditions and abundances of CNO elements in
NGC 7027. 		PERINOTTO M., PANAGIA N. and BENVENUTI P.
1980A&A....86..254I 3 12 A radio search for planetary nebulae near the Galactic Center. III. VLA and optical oservations of three objects. ISAACMAN R., WOUTERLOOT J.G.A. and HABING H.J.
1980A&A....89...33A 96 29 Relations between chemical, spatial and kinematic properties of planetary nebulae. ACKER A.
1980A&A....89..379D 1 1 6 Charge transfer of Ne2+ with helium. DALGARNO A., BUTLER S.E. and HEIL T.G.
1980AJ.....85..886B 72 T                   1 2 45 Molecular hydrogen emission in
NGC 7027. 		BECKWITH S., NEUGEBAUER G., BECKLIN E.E., et al.
1980ApJ...236..592K 1 6 33 Dust in planetary nebulae. KWOK S.
1980ApJ...237L..93T 70 T                   1 3 32 High-resolution spectra of the 3.3 micrometer unidentified emission feature in
NGC 7027 and HD 44179. 		TOKUNAGA A.T. and YOUNG E.T.
1980ApJ...237..486D 12 51 Infrared line measurements and the abundance of sulfur in planetary nebulae. DINERSTEIN H.L.
1980ApJ...238..585C 61 73 Infrared photometry of southern planetary nebulae and emission-line objects. COHEN M. and BARLOW M.J.
1980ApJ...238..892M 1 13 113 Observations of cool dust in planetary nebulae. MOSELEY H.
1980ApJ...239...78K 95 96 The oxygen enrichment of the galaxy. KALER J.B.
1980ApJ...239..592K 76 12 Neutral oxygen and nitrogen lines in planetary nebulae. KALER J.B.
1980ApJ...240L..37F 71 T                   1 1 19 Detection of (O IV) and (Ne V) infrared emission lines from
NGC 7027. 		FORREST W.J., McCARTHY J.F. and HOUCK J.R.
1980ApJ...241..442B 14 2 148 Charge transfer of multiply charged ions with hydrogen and helium: quantal calculations. BUTLER S.E., HEIL T.G. and DALGARNO A.
1980ApJ...241..719C 12 20 Nebular and auroral transitions of (Ar IV) in some planetary nebulae. CZYZAK S.J., SONNEBORN G., ALLER L.H., et al.
1980ApJ...242..141J 71 T                   1 1 17 The dependance of the 8-13 micron spectrum of
NGC 7027 on position in the nebula. 		JONES B., MERRILL K.M. and STEIN W.
1980ApJ...242..596N 41 26 The problem of sulfur abundance determination in gaseous nebulae. NATTA A., PANAGIA N. and PREITE-MARTINEZ A.
1980ApJ...242..615K 18 62 Efficiency of the bowen fluorescence mechanism in static nebulae. KALLMAN T. and McCRAY R.
1980MNRAS.190p...1C 4 ~ A search for absorption in the fourth positive system of CO in the spectrum of the planetary nebula IC 418. CLAVEL J. and FLOWER D.R.
1980MNRAS.191..243F 1 1 6 He1 lam 584 in quasars and gaseous nebulae. FERLAND G.J.
1980PASP...92..418S 2 1 10 Gas-phase abundances of refractory elements in planetary nebulae: a hot-wind model. SHIELDS G.A.
1980Ap&SS..71..393A 5 6 Photoionization models and chemical abundances of three halo planetary nebulae. ALDROVANDI S.M.V.
1980BAAS...12..842B 68 T                   1 1 0 Infrared mapping of
NGC 7027. 		BENTLEY A.F. and KY N.
1980QJRAS..21...82T 50 ~ Planetary nebulae. TERZIAN Y.
1980QJRAS..21..229S 7 15 Presidential address: spectra of gaseous nebulae. SEATON M.J.
1980RMxAA...5....9P 40 98 On the helium and nitrogen enrichment of the interstellar medium by planetary nebulae. PEIMBERT M. and SERRANO A.
1980IUE80......557P 15 ~ New insights into the physical state of gaseous nebulae. PEIMBERT M.
1980IUE80......663B 24 ~ An atlas of emission line fluxes of planetary nebulae in the 1150-3200A region. BOGGESS A., FEIBELMAN W.A. and McCRACKEN C.W.
1980IUE2n......187B 8 ~ IUE observations of planetary nebulae : nebular continuum and mass loss from central stars. BENVENUTI P. and PERINOTTO M.
1980IUE2n......197C 4 ~ A search for absorption in the fourth positive system of CO in the spectrum of the planetary nebula IC 418. CLAVEL J. and FLOWER D.
1980PhDT.........3D 116 17 A photometric investigation of possible binary occurrence in the central stars of seventeen planetary nebulae. DRUMMOND J.D.
1981A&A....94L..13P 17 41 Hot central stars of planetary nebulae. POTTASCH S.R.
1981A&A....94..109H 2 2 24 The effect of dust in planetary nebulae on determinations of Zanstra tempertures of the central stars. HELFER H.L., HERTER T., LACASSE M.G., et al.
1981A&A....95..100H 9 19 Wavelengths and profiles of the (SIII) 3p2,1-1d2 lines in some emission nebula. HIPPELEIN H. and MUNCH G.
1981A&A....96..278W 9 19 Radio recombination line observations of nearby planetary nebulae. WALMSLEY C.M., CHURCHWELL E. and TERZIAN Y.
1981A&A....99...36A 10 10 Standard sources at 10.6 GHz and variability in 3C 147. ANDREW B.H., MacLEOD J.M. and FELDMAN P.A.
1981A&A...100..241P 6 16 UV spectroscopy of planetary nebulae. PERINOTTO M. and BENVENUTI P.
1981A&A...101...88P 1 3 24 The planetary nebula NGC 7009. PERINOTTO M. and BENVENUTI P.
1981A&A...101..238G 5 10 Detection of the j=1-0 and j=2-1 rotational lines of SiS in the molecular envelope of IRC +10216. GRASSHOFF M., TIEMANN E. and HENKEL C.
1981A&A...101..397C 5 1 Near infrared high resolution spectrophotometry of forbidden (C1) in the Orion nebula. COSMOVICI C.B., STRAFELLA F. and IIJIMA T.
1981A&A...104..288Z 3 3 57 Ammonia in Orion. III. The gas in and around OMC-1. ZIURYS L.M., MARTIN R.N., PAULS T.A., et al.
1981ApJ...243..170M 72 T                   1 1 17 Far-infrared emission-line and continuum observations of
NGC 7027. 		MELNICK G., RUSSELL R.W., GULL G.E., et al.
1981ApJ...243..583S 2 4 Absolute spectrophotometry of V1016 Cygni: OI (8446A) line. STRAFELLA F.
1981ApJ...244..835S 82 T                   1 1 67 Molecular hydrogen and the 2 micron spectrum of
NGC 7027. 		SMITH H.A., LARSON M.P. and FINK U.
1981ApJ...245..138S 2 6 78 Spatial observations of the Orion Nebula in the unidentified 3.28 micron feature. SELLGREN K.
1981ApJ...245..903G 1 5 31 The role of ionization fronts in the colliding wind model of planetary nebulae. GIULIANI J.L.
1981ApJ...246..113J 4 16 The partially ionized gas in the W 3 complex: C90 alpha observations. JAFFE D.T. and WILSON T.L.
1981ApJ...246..434F 11 49 The ionization structure and abundance of argon in gaseous nebulae. FRENCH H.B.
1981ApJ...248..189N 1 10 51 Dust in planetary nebulae. NATTA A. and PANAGIA N.
1981ApJ...248..195F 7 3 113 A far-infrared emission feature in carbon-rich stars and planetary nebulae. FORREST W.J., HOUCK J.R. and McCARTHY J.F.
1981ApJ...248..569S 11 2 119 The optical and ultraviolet spectrum of the planetary nebula NGC 2440. SHIELDS G.A., ALLER L.H., KEYES C.D., et al.
1981ApJ...248..584T 5 19 Near-infrared spectroscopy of possible precursors to planetary nebulae: HM Sagittae. THRONSON H.A. and HARVEY J.M.
1981ApJ...248..984T 3 2 35 Near-infrared spectroscopy of possible precussors to planetary nebulae: AFGL 618. THRONSON H.A.
1981ApJ...249..138B 7 1 37 The emission spectrum of H2 from associative detachment and ultraviolet pumping. BLACK J.H., PORTER A. and DALGARNO A.
1981ApJ...249..201K 53 38 Carbon in planetary nebulae. KALER J.B.
1981ApJ...249..586C 3 2 34 Galactic ring nebulae associated with Wolf-Rayet stars. II. M 1-67: a nebula braked by the interstellar medium. CHU Y.H. and TREFFERS R.R.
1981ApJ...249..592B 35 67 The abundances of neon, sulfur and argon in planetary nebulae. BECK S.C., LACY J.H., TOWNES C.H., et al.
1981ApJ...250..605W 1 3 29 Far-infrared (O III) and (N III) line emission from galactic H II regions and planetary nebulae. WATSON D.M., STOREY J.W.V., TOWNES C.H., et al.
1981MNRAS.194p..13F 3 ~ The ultraviolet spectrum of the planetary nebula NGC 6572. FLOWER D.R. and PENN C.J.
1981PASP...93..191C 72 T                   1 1 18 The reddening and near-infrared spectrum of
NGC 7027. 		CONDAL A., FAHLMAN G.G. and WALKER G.A.H.
1981PASP...93..695C 6 9 Ionization structure and partial obscuration of the P.N. NGC 3132 and NGC 3242. CONDAL A., PROTCHET C., FAHLMAN G.G., et al.
1981Ap&SS..80..189G 3 6 On the pseudo-resonance absorption lines in planetary nebulae. GURZADYAN G.A.
1981BAAS...13..519T 69 T                   1 5 0 IUE observations of the planetary nebulae NGC 7662,
NGC 7027, NGC 6572, NGC 5315 and BD +30 3639. 		TORRES-PEIMBERT S. and PENA M.
1981BAAS...13..809R 69 T                   1 1 0 4-8 muM spectroscopy of
NGC 7027. 		RUSSELL R.W., BECKWITH S.V., WYANT J., et al.
1981BAAS...13..852B 69 T                   1 1 1 The spectrum of
NGC 7027 from 5 to 8 microns. 		BREGMAN J.D., DINERSTEIN H.L., GOEBEL J.H., et al.
1981SvA....25...56N 7 1 Emission-line spectra and the abundance of carbon and nitrogen ions in planetary nebulae. NIKITIN A.A., SAPAR A.A., FEKLISTOVA T.K., et al.
1981CRJS..R03...65C 13 ~ Required ionizing radiation fron the central stars of planetary nebulae. CHE A. and KOEPPEN J.
1981SBS80.R....517I 80 ~ Temperature determination of exciting stars in highly excited planetary nebulae and symbiotic stars. IIJIMA T.
1982A&A...106..229P 78 T                   1 1 47 The distance to the planetary nebula
NGC 7027. 		POTTASCH S.R., GOSS W.M., ARNAL E.M., et al.
1982A&A...108..176K 2 8 100 A survey of the distribution of lambda 2.8cm radio continuum in nearby galaxies. II. NGC 6946. KLEIN U., BECK R., BUCZILOWSKI U.R., et al.
1982A&A...109..182P 4 11 Abundances in the planetary nebula NGC 6853. POTTASCH S.R., GILRA D.P. and WESSELIUS P.R.
1982A&A...111..185G 1 ~ Reddening relations of the VBLUW and UBV systems for objects with emission line spectra. GREVE A. and VAN GENDEREN A.M.
1982A&A...116...80S 6 0 The far-UV spectrum of the low-excitation planetary nebula HD 138403. SURDEJ J. and HECK A.
1982A&AS...49..607B 19 49 Formaldehyde absorption measurements of selected galactic molecular clouds. BIEGING J.H., WILSON T.L. and DOWNES D.
1982AJ.....87.1207T 5 23 Near-infrared spectroscopy of possible precursors to planetary nebulae: the Cygnus Egg and the Red Rectangle. THRONSON H.A.
1982ApJ...252..616K 1 36 287 Mass loss from evolved stars. I. Observations of 17 stars in the CO(2-1) line. KNAPP G.R., PHILLIPS T.G., LEIGHTON R.B., et al.
1982ApJ...256..151M 14 19 A search for interstellar and stellar iron monoxide. MERER A.J., WALMSLEY C.M. and CHURCHWELL E.
1982ApJ...256..543L 1 1 Radio recombination lines from high emission measure nebulae. LOCKMAN F.J.
1982ApJ...258..280K 10 5 271 From red giants to planetary nebulae. KWOK S.
1982ApJ...261..510S 71 T                   1 3 41 The absolute Hbeta flux from
NGC 7027. 		SHAW R.A. and KALER J.B.
1982MNRAS.198..111Z 17 2 178 Transition probabilities for forbidden lines in the 2p3 configuration. ZEIPPEN C.J.
1982MNRAS.199..649R 84 97 Measurements of expansion velocities in planetary nebulae. ROBINSON G.J., REAY N.K. and ATHERTON P.D.
1982MNRAS.200p..51M 1 ~ On the radio distance scale for planetary nebulae. MILNE D.K.
1982PASP...94...43D 6 7 Red/Blue intensity ratios in expanding planetary nebulae. DOUGHTY J.R. and KALER J.B.
1982PASP...94..226T 7 5 A search for SIO emission from planetary nebulae. THRONSON H.A. and LADA C.J.
1982AZh....59..326G 9 2 Can planetary nebulae rotate ? GRININ V.P.
1982BAAS...14..573K 5 0 CCD spectra of planetary nebulae. KUPFERMAN P.N., DANIELSON G.E. and JEWITT D.C.
1982BAAS...14..654K 2 0 Distribution of forbidden neutral carbon emission in planetary nebulae. KUPFERMAN P.N., JEWITT D.C., DANIELSON G.E., et al.
1982BAAS...14..895O 11 13 Molecular line observations of envelopes around evolved stars. OLOFSSON A., JOHANSSON L., NGUYEN-QUANG-RIEU, et al.
1982BAAS...14..911T 69 T                   1 1 ~ Observations of
NGC 7027 with an infrared CID array camera. 		TRESCH-FIENBERG R., FAZIO G.G., ARENS J.F., et al.
1982Msngr..29...18C 5 0 Sulfur abundances in gaseous nebulae. CONDAL A.R.
1982PSCDS...3....0A 452 ~ Catalogue of the central stars of true and possible planetary nebulae. ACKER A., GLEIZES F., CHOPINET M., et al.
1982PTarO..49...40N 9 1 On some characteristics of emission spectra of carbon and nitrogen ions in planetary nebulae. NIKITIN A.A., SAPAR A.A., FEKLISTOVA T.H., et al.
1982S&T....63..449K 2 0 Not with a bang but a whimper. KWOK S.
1982IAUCo..70...61C 20 ~ Properties of symbiotic stars from studies in the optical region. CIATTI F.
1983A&A...117..141B 65 24 A radio continuum survey of M 31 at 4850 MHz. BERKHUIJSEN E.M., WIELEBINSKI R. and BECK R.
1983A&A...118..107C 13 11 The O III/O II problem in medium and high excitation planetary nebulae. CHE A. and KOEPPEN J.
1983A&A...121...15U 26 26 Hydrogen sulfide in a circumstellar envelope. UKITA N. and MORRIS M.
1983A&A...121...69W 7 9 The Cygnus X region. XIII. The dark cloud between IC 1318b and c. WENDKER H.J., SCHRAMM K.J. and DIECKVOSS C.
1983A&A...126...31P 51 148 The temperature of central stars of planetary nebulae : the energy-balance method. PREITE-MARTINEZ A. and POTTASCH S.R.
1983A&A...126..299T 1 4 24 Planetary nebulae with massive nuclei. I. Time-dependent photoionization models. TYLENDA R.
1983A&A...127..177K 2 5 57 A survey of the distribution of lambda 2.8 cm radio continuum in nearby galaxies. IV. NGC 253. KLEIN U., URBANIK M., BECK R., et al.
1983A&A...127..383T 12 0 Neon abundances in nearby HII regions. THUM C. and NISHIMURA T.
1983A&A...128..279B 2 13 162 Clumping in molecular clouds. The region between OMC 1 and 2. BATRLA W., WILSON T.L., BASTIEN P., et al.
1983A&AS...54..315A 1436 15 Index and cross-identification of planetary nebulae. ACKER A., MARCOUT J., OCHSENBEIN F., et al.
1983AJ.....88.1784T 549 36 Radio patrol of the Northern Milky Way: a catalog of sources. I. TAYLOR A.R. and GREGORY P.C.
1983ApJ...264..599T 74 T                   1 1 27 High-resolution near-infrared and millimeter-wave spectroscopy of
NGC 7027. 		THRONSON H.A.Jr
1983ApJ...266..623S 1 27 250 Infrared line and radio continuum emission of circumstellar ionized regions. SIMON M., FELLI M., CASSAR L., et al.
1983ApJ...268..683J 8 11 Distribution of forbidden neutral carbon emission in the ring nebula (NGC 6720). JEWITT D.C., KUPFERMAN P.N., DANIELSON G.E., et al.
1983ApJ...270..645S 12 31 Determinations of S III, O IV, and Ne V abundances in planetary nebulae from infrared lines. SHURE M.A., HERTER T., HOUCK J.R., et al.
1983ApJ...271..611T 9 16 Carbon monoxide emission from planetary nebulae and their possible precursors. THRONSON H.A. and MOZURKEWICH D.
1983ApJ...273..214F 14 36 The abundance of carbon in planetary nebulae. FRENCH H.B.
1983ApJ...273..633B 8 18 Neutral carbon in the Egg nebula (AFGL 2688). BEICHMAN C.A., KEENE J., PHILLIPS T.G., et al.
1983ApJ...274..666B 77 T                   1 1 44 Observations of
NGC 7027 from 5.2 to 7.5 microns: the detection of Ni II and additional dust features. 		BREGMAN J.D., DINERSTEIN H.L., GOEBEL J.H., et al.
1983ApJ...275..330S 32 111 Mass loss from evolved stars : II. Radio continuum emission and evolution to planetary nebulae. SPERGEL D.N., GIULIANI J.L. and KNAPP G.R.
1983ApJ...275..683J 1 6 42 Mass loss rates and anisotropies in the outflows from late-type stars. JURA M.
1983ApJS...52..399S 499 203 Radial velocities of planetary nebulae. SCHNEIDER S.E., TERZIAN Y., PURGATHOFER A., et al.
1983MNRAS.202.1233A 75 T                   1 2 62 Spatial studies of the middle infrared spectral features in
NGC 7027. 		AITKEN D.K. and ROCHE P.F.
1983MNRAS.203..977P 1 2 14 Near-infrared spectroscopy and monochromatic isophotometry of NGC 6302. PHILLIPS J.P., REAY N.K. and WHITE G.J.
1983PASP...95..842S 284 74 10.8-GHz flux density variations among a complete sample of sources from the NRAO-Bonn S4 survey. SEIELSTAD G.A., PEARSON T.J. and READHEAD A.C.S.
1983ARA&A..21..177S 24 47 Dust in galaxies. STEIN W.A. and SOIFER B.T.
1983BAAS...15..878T 69 T                   1 1 0 The
NGC 7027 molecular cloud : CN, C2 H, and C18 O. 		THRONSON H.A.Jr and BALLY J.
1983MmSAI..54..511C 87 4 Planetary nebulae: IUE results. CERRUTI-SOLA M. and PERINOTTO M.
1983MitAG..60..243M 10 0 Infrarot-Photometrie Planetarischer Nebel. MARTIN W. and LEMKE D.
1983PAZh....9..296Y 1 4 Numerical evolutionary models of planetary nebulae. YORKE V.A., TUTUKOV A.V. and SHUSTOV B.M.
1983PASJ...35..437S 5 13 10-GHz observations of the unusual supernova remnant CTB 80 associated with jet-like features. SOFUE Y., TAKAHARA F., HIRABAYASHI H., et al.
1983S&W....22..336G 20 0 Planetarische Nebeln. GIESEKING F.
1983IAUS..101..235D 4 3 Near infrared spectroscopy of galactic and Magellanic clouds supernova remnants. DENNEFELD M.
1983IAUS..103....1A 22 43 Planetary nebulae: an introductory review. ALLER L.H.
1983IAUS..103...31R 10 6 Morphology and kinematics of planetary nebulae. REAY N.K.
1983IAUS..103...61S 6 3 Radio observations of planetary nebulae. SCOTT P.F.
1983IAUS..103...69B 11 24 High resolution maps with the VLA. BIGNELL R.C.
1983IAUS..103...79D 7 12 Infrared emission lines in planetary nebulae. DINERSTEIN H.L.
1983IAUS..103...91B 3 9 Molecules in planetary nebulae. BLACK J.H.
1983IAUS..103..105B 18 72 Observations of dust in planetary nebulae. BARLOW M.J.
1983IAUS..103..173P 5 6 Ionization equilibrium in models of planetary nebulae. PEQUIGNOT D.
1983IAUS..103..187M 4 5 Charge exchange reactions in astrophysical plasmas. McCARROLL R. and OPRADOLCE L.
1983IAUS..103..219H 4 7 Physical processes in nebular shells and the interpretation of nebular spectra. HARRINGTON J.P.
1983IAUS..103..259S 2 1 14 Effects of dust formation on chemical abundances. SHIELDS G.A.
1983IAUS..103..267R 2 3 44 Red giants as precursors of planetary nebulae. RENZINI A.
1983IAUS..103..317O 2 1 Numerical models of dynamical and spectral evolution of planetary nebulae. OKOROKOV V.A., SHUSTOV B.M., TUTUKOV A.V., et al.
1983IAUS..103..391P 65 94 Distances of the central stars and their position in the HR diagram. POTTASCH S.R.
1983IAUS..103..473O 4 13 Planetary nebulae and Seyfert galaxies - Similarities and differences. OSTERBROCK D.E.
1983IAUS..103..541P 6 2 Distance determinations from 21 cm interstellar absorption-line measurements. POTTASCH S.R., GATHIER R. and GOSS W.M.
1984A&A...130...91P 53 37 Distances, radii, and masses of the planetary nebulae. PHILLIPS J.P. and POTTASCH S.R.
1984A&A...133..137W 5 3 79 Winds in collision. I. Geometric implications of the emission lines for V1016 Cyg and HM Sge. WALLERSTEIN G., WILLSON L.A., SALZER J., et al.
1984A&A...133..395P 16 21 Near-infrared scans of planetary nebulae. PHILLIPS J.P., SANCHEZ MAGRO C. and MARTINEZ-ROGER C.
1984A&A...136...17O 1 7 60 Distribution and kinematics of CO in the galaxy M 82. OLOFSSON H. and RYDBECK G.
1984A&A...136..127B 2 3 30 Ammonia clouds in absorption against Cas A. BATRLA W., WALMSLEY C.M. and WILSON T.L.
1984A&A...136..181S 97 53 The interpretation of internal motions in planetary nebulae. SABBADIN F., GRATTON R.G., BIANCHINI A., et al.
1984A&A...137L...5L 154 2 1545 Identification of the "unidentified" IR emission features of interstellar dust ? LEGER A. and PUGET J.L.
1984A&A...137...92P 77 31 The dynamics, evolution and formation rate of planetary nebulae. PHILLIPS J.P.
1984A&A...137..117C 44 59 One-millimeter continuum observations of galactic and extragalactic sources. CHINI R., KREYSA E., MEZGER P.G., et al.
1984A&A...138..225W 2 4 43 Radio continuum and recombination line observations of Orion A. WILSON T.L. and PAULS T.
1984A&A...140..141P 57 8 Constraints upon visual dust opacities in planetary nebulae. PHILLIPS J.P.
1984A&AS...55..253M 657 140 A catalogue of distances of planetary nebulae. MACIEL W.J.
1984A&AS...58..273S 163 86 A catalogue of expansion velocities in planetary nebulae. SABBADIN F.
1984A&AS...58..291W 13 58 The Cygnus X region. XV. A 4.8 GHz continuum survey with the 100 m-telescope. WENDKER H.J.
1984ApJ...277..207B 72 T                   1 1 17 Ionized magnesium in the planetary nebula
NGC 7027. 		BECKWITH S., EVANS II N.J., NATTA A., et al.
1984ApJ...278..665B 3 2 32 An infrared spatial study of the planetary nebula BD +30 3639. BENTLEY A.F., HACKWELL J.A., GRASDALEN G.L., et al.
1984ApJ...279..685A 74 T                   1 1 29 High spatial resolution observations of
NGC 7027 with a 10 micron array camera. 		ARENS J.F., LAMB G.M., PECK M.C., et al.
1984ApJ...280..170S 11 14 He I lambda 10830 line strengths in planetary nebulae. SCRIMGER J.N.
1984ApJ...283..273T 6 3 100 Two-frequency radio spectra during an outburst of the periodic radio star LSI +61 303. TAYLOR A.R. and GREGORY P.C.
1984ApJ...284..144S 14 50 SiS in circumstellar shells. SAHAL R., WOOTTEN A. and CLEGG R.E.S.
1984ApJ...286..630J 73 T                   1 1 22 Mass loss from red giants : a simple evolutionary model for
NGC 7027. 		JURA M.
1984MNRAS.207p...7J 3 ~ Ne V abundances in planetary nebulae from infrared lines. JOHNSON C., KINGSTON A.E. and DUFTON P.L.
1984MNRAS.208..517G 73 T                   1 1 22 Submillimetre observations of the cold dust halo of
NGC 7027. 		GEE G., EMERSON J.P., ADE P.A.R., et al.
1984MNRAS.208..751A 29 43 A study of the unidentified dust emission features near 10 mmuD AITKEN D.K. and ROCHE P.F.
1984MNRAS.211...15C 1 12 66 The origin of the infrared luminosity in violent star formation regions. CAMPBELL A.W. and TERLEVICH R.
1984PASP...96..349P 4 14 Spectrophotometry of emission nebulae in the lam-lam 5000-6000 spectral region. PRITCHET C.J. and GRILLMAIR C.J.
1984Afz....20..503K 46 5 Carbon abundances in planetary nebulae. KHOLTYGIN A.F.
1984Ap&SS.107...19A 316 56 Statistical survey of planetary nebulae : distances, masses, and distribution in the Galaxy. AMNUEL P.R., GUSEINOV O.H., NOVRUZOVA H.I., et al.
1984BAAS...16..463E 4 17 Observations of the far-infrared emission lines of OI and CII in planetary nebulae. ELLIS H.B. and WERNER M.W.
1984BAAS...16..993D 69 T                   1 1 0 The electron temperature and emission measure distributions in the planetary nebula
NGC 7027. 		DAUB C.T. and BASART J.P.
1984BAAS...16..994T 69 T                   1 1 0 The location of molecular hydrogen in the planetary nebula
NGC 7027. 		THRONSON H.A., HACKWELL J.A., GRASDALEN G., et al.
1984IrAJ...16..219J 3 1 The determination of abundances in the interstellar medium from infrared fine-structure lines. JOHNSON C.T.
1984Natur.307..441H 1 5 28 On the far-infrared excess of Vega. HARVEY P.M., WILKING B.A. and JOY M.
1984ORROE..12...93G 2 0 Spectroscopy of the 3.3 and 3.4 micron dust emission features. GEBALLE T.R.
1984ORROE..12..113I 69 T                   1 1 0 3.3 mu.m mapping of
NGC 7027. 		ISAACMAN R.
1984ORROE..12..118G 1 0 Origins of the 3.28 mu.m dust emission feature. GATLEY I.
1984RMxAA...9..153R 7 9 On the abundance of atomic and molecular hydrogen in the outer parts of young planetary nebulae. RODRIGUEZ L.F. and GARCIA-BARRETO J.A.
1985A&A...142..441O 13 1 55 Numerical models of planetary nebulae evolution. OKOROKOV V.A., SHUSTOV B.M., TUTUKOV A.V., et al.
1985A&A...144..282R 2 7 68 Distribution and kinematics of CO in the spiral galaxy M 51. RYDBECK G., HJALMARSON A. and RYDBECK O.E.H.
1985A&A...145..241G 1 8 40 Constraints on the sites of nitrogen nucleosynthesis from 15NH3 observations. GUSTEN R. and UNGERECHTS H.
1985A&A...146..168M 1 9 40 Newly discovered sources of non-metastable ammonia. MAUERSBERGER R., WILSON T.L., BATRLA W., et al.
1985A&A...147L...6D 11 8 373 Radio continuum and far-infrared emission from spiral galaxies : a close correlation. DE JONG T., KLEIN U., WIELEBINSKI R., et al.
1985A&A...149..195G 1 4 23 H2 12 CO/H2 13 CO ratios from molecular clouds near the Galactic Center. GUSTEN R., HENKEL C. and BATRLA W.
1985A&A...149..365M 75 27 Galactic electron temperature gradient from planetary nebulae. MACIEL W.J. and FAUNDEZ-ABANS M.
1985A&A...151..421P 69 T                   1 3 9 CO J=3 ⟶ 2 and J=2 ⟶ 1 mapping and spectroscopy of
NGC 7027. 		PHILLIPS J.P., WHITE G.J. and RICHARDSON K.J.
1985ApJ...290L..35G 1 21 150 MgS grain component in circumstellar shells. GOEBEL J.H. and MOSELEY S.H.
1985ApJ...290L..63W 5 6 On the evidence for methane in Orion KL : a search for the 4.6 gigahertz line. WILSON T.L. and SNYDER L.E.
1985ApJ...290..609M 12 42 The detection of acetaldehyde in cold dust clouds. MATTHEWS H.E., FRIBERG P. and IRVINE W.M.
1985ApJ...291..755C 3 19 278 Far-infrared spectroscopy of galaxies: the 158 micron C+ line and the energy balance of molecular clouds. CRAWFORD M.K., GENZEL R., TOWNES C.H., et al.
1985ApJ...292..464M 84 T                   1 1 61 High-resolution CO observations of
NGC 7027. 		MASSON C.R., CHEUNG K.W., BERGE G.L., et al.
1985ApJ...292..500G 4 6 114 Spectroscopy of the 3 micron emission features. GEBALLE T.R., LACY J.H., PERSSON S.E., et al.
1985ApJ...292..640K 1 105 648 Mass loss from evolved stars. III. Mass loss rates for fifty stars from CO J = 1-0 observations. KNAPP G.R. and MORRIS M.
1985ApJ...293..281K 19 48 Mass loss from evolved stars. V. Observations of the 12CO and 13CO J = 1-0 lines in Mira variables and carbon stars. KNAPP G.R. and CHANG K.M.
1985ApJ...294..242S 3 17 251 Submillimeter observations of evolved stars. SOPKA R.J., HILDEBRAND R., JAFFE D.T., et al.
1985ApJ...299..341M 1 6 32 An infrared study of the NGC 1977 HII region/molecular cloud interface. MAEKINEN P., HARVEY P.M., WILKING B.A., et al.
1985ApJS...57..571O 16 8 Determination of nebular density and temperature from radio recombination lines. ODEGARD N.
1985AbaOB..59..135G 9 1 Catalogue of radio recombination lines : first results of data analysis. GULYAEV S.A. and SOROCHENKO R.L.
1985ARA&A..23...89K 1 17 89 Planetary nebulae and their central stars. KALER J.B.
1985AISAO..19...60A 11 12 Determination of flux-densities with the help of the broad-band radiometers of the continuous spectrum of the radiotelescope RATAN-600. ALIAKBEROV K.D., MINGALIEV M.G., NAUGOLNAYA M.N., et al.
1985Afz....23..427B 12 5 The lines of the carbon, nitrogen and oxygen in spectra of planetary nebulae. II Intensities of the recombination lines C II and N III ionsand abundances of C III and N IV ions. BOGDANOVICH P.O., NIKITIN A.A., RUDZIKAS Z.B., et al.
1985BAAS...17..863L 3 0 Image restoration and superresolution in the far infrared. LESTER D.F., HARVEY P.M. and JOY M.
1985BAAS...17..908D 4 8 Detection of (OI) 63 mu-m line emission from planetary nebulae. DINERSTEIN H.L., ELLIS H.B., HAAS M.R., et al.
1985IzKry..73..154M 8 7 Calibration radio sources in millimeter wave range. MOISEEV I.G. and NESTEROV N.S.
1985MitAG..63..215G 13 8 Far-infrared and submillimeter astronomical spectroscopy. GENZEL R. and STACEY G.J.
1985PAZh...11...17S 5 1 Measurement of electron density in the HII regions DR-21 and W 3 from stark broadening of radio recombination lines. SMIRNOV G.T.
1985PAZh...11..415M 18 1 Investigation of radio galaxies from the Bologna survey with the radio telescope RATAN-600. MALUMYAN V.H.
1985PASJ...37..359T 2 5 47 Two highly polarized lobes near the Galactic Center. TSUBOI M., INOUE M., HANDA T., et al.
1985S&W....24..639S 3 0 Aufstieg und fall Planetarischer Nebel. SCHMIDT-VOIGT M.
1986A&A...155..137S 1 7 47 Intermediate mass stars undergoing a very hot phase: can we measure their temperatures ? STASINSKA G. and TYLENDA R.
1986A&A...155..185R 1 11 44 Multifrequency radio continuum observations of extended galactic objects. I. Nine objects from the 2695 MHz Effelsberg galactic plane survey. REICH W., FURST E., REICH P., et al.
1986A&A...156..217T 15 32 Outer haloes of planetary nebulae as probes of a fast luminosity decline in their nuclei. TYLENDA R.
1986A&A...157..207U 5 5 108 Ammonia observations and temperatures in the S140/L1204 molecular cloud. UNGERECHTS H., WALMSLEY C.M. and WINNEWISSER G.
1986A&A...157..252M 2 4 37 Dynamics of the ionized gas within 2 pc of the Galactic Center. I. First results of a radio recombination line survey. MEZGER P.G. and WINK J.E.
1986A&A...158L...1W 1 9 63 12C18O in OMC-1 : kinematics, molecular column density, and kinetic temperature distribution. WILSON T.L., SERABYN E., HENKEL C., et al.
1986A&A...158..228F 46 53 Abundance gradients from type II planetary nebulae. FAUNDEZ-ABANS M. and MACIEL W.J.
1986A&A...159..328D 1 5 37 Nature of very small grains: PAH molecules or silicates ? DESERT F.X., BOULANGER F., LEGER A., et al.
1986A&A...160...31S 127 27 Statistical evolutionary properties of planetary nebulae: thicknesses of the nebulae and temperatures of the stars. SABBADIN F.
1986A&A...161..183K 34 44 A comparison of high-frequency and low-frequency characteristics of pulsars. KUZMIN A.D., MALOFEEV V.M., IZVEKOVA V.A., et al.
1986A&A...163..313M 1 6 38 A new 32 GHz radio continuum receiving system for the Effelsberg 100-m telescope. MORSI H.W. and REICH W.
1986A&A...164..159O 67 1 271 Physics and chemistry of interstellar polycyclic aromatic molecules. OMONT A.
1986A&A...168L..13H 1 4 22 5 cm OH absorption toward the megamaser galaxy IC 4553. HENKEL C., BATRLA W. and GUSTEN R.
1986A&A...169..271M 1 7 54 Torsionally excited methanol in hot molecular cloud cores. MENTEN K.M., WALMSLEY C.M., HENKEL C., et al.
1986A&AS...64..579S 79 49 Planetary nebulae at known distance. SABBADIN F.
1986AJ.....92..818T 5 6 121 Prominent polarized plumes in the Galactic Center region and their magnetic field. TSUBOI M., INOUE M., HANDA T., et al.
1986ApJ...300..749T 106 T K                 1 2 17 The dust and molecular gas cloud surrounding a planetary nebula:
NGC 7027. 		THRONSON H.A.Jr and BALLY J.
1986ApJ...301..772Z 138 244 Origin of planetary nebulae: morphology, carbon-to-oxygen abundance ratios, and central star multiplicity. ZUCKERMAN B. and ALLER L.H.
1986ApJ...302L..27M 91 T                   1 1 84 Angular expansion measurement with the VLA : the distance to
NGC 7027. 		MASSON C.R.
1986ApJ...303..810D 52 38 HCN emission from bipolar reflection nebulae. DEGUCHI S., CLAUSSEN M.J. and GOLDSMITH P.F.
1986ApJ...304..623L 108 T K                 1 2 35 The spatial structure of IRC +10216 and
NGC 7027 in the far-infrared. 		LESTER D.F., HARVEY P.M. and JOY M.
1986ApJ...305L..29H 4 2 39 CO in the Helix Nebula. HUGGINS P.J. and HEALY A.P.
1986ApJ...308..322K 106 109 Electron temperatures in planetary nebulae. KALER J.B.
1986ApJ...308..337K 31 40 C+2 electron temperatures in planetary nebulae. KALER J.B.
1986ApJ...311..335W 36 75 Mass loss from giant and supergiant stars. WANNIER P.G. and SAHAI R.
1986ApJS...61..159C 1 10 73 Atomic structure calculations and nebular diagnostics. CZYZAK S.J., KEYES C.D. and ALLER L.H.
1986MNRAS.220p...7R 4 ~ The spatial extent and nature of the 3-mu.m emission features in HD 97048 and CPD -56 8032. ROCHE P.F., ALLEN D.A. and BAILEY J.A.
1986MNRAS.220p..33H 4 ~ CO in the planetary nebulae NGC 2346 and 6720. HUGGINS P.J. and HEALY A.P.
1986MNRAS.221..589L 1 3 13 Molecular hydrogen in S 106. LONGMORE A.J., ROBSON E.I. and JAMESON R.F.
1986MNRAS.221..879G 35 31 IRAS sources in the Sgr I window. GLASS I.S.
1986MNRAS.222..299G 3 4 63 The spatial distribution and velocity field of the molecular hydrogen line emission from the centre of the Galaxy. GATLEY I., JONES T.J., HYLAND A.R., et al.
1986PASP...98..957A 6 3 I. Fifty years of nebular chemical compositions. ALLER L.H.
1986PASP...98..999M 2 0 X. Recent developments in the field of atomic data for astrophysics. MENDOZA C.
1986BICDS..31..137O 38 0 Some aspects of the bibliography of astronomical objects. OCHSENBEIN F. and DUBOIS P.
1986BAAS...18.1003G 6 2 New dust species in circumstellar shells. GOEBEL J.H.
1986BAAS...18.1054D 70 T                   1 1 ~ The temperature structure of the planetary nebula
NGC 7027. 		DAUB C.T. and BASART J.P.
1986IrAJ...17..322J 1 7 38 The role of dust in mass loss from late-type stars. JURA M.
1986Msngr..45...22R 3 1 Modelling space telescope observations. ROSA M. and BAADE D.
1986MitAG..67..111K 12 4 Molecular line observations of mass loss from red giants. KNAPP G.R.
1986Natur.324...39B 1 2 11 Outbursts of Cygnus X-3 observed at 1.3 and 3.3 mm wavelengths. BAARS J.W.M., ALTENHOFF W.J., HEIN H., et al.
1986PASJ...38..475S 3 3 44 43-GHz continuum observations of the Galactic Center. SOFUE Y., INOUE M., HANDA T., et al.
1986RMxAA..12..240F 42 8 Galactic abundance gradients from planetary nebulae. FAUNDEZ-ABANS M. and MACIEL W.J.
1986RMxAA..12..249M 53 4 Planetary nebulae and galactic temperature gradient. MACIEL W.J. and FAUNDEZ-ABANS M.
1987A&A...171..178T 21 40 Radio continuum spectra of compact planetary nebulae: a wind-shell model. TAYLOR A.R., POTTASCH S.R. and ZHANG C.Y.
1987A&A...173..204M 7 4 High dispersion spectroscopy of point sources and extended objects with an echelle/CCD spectrograph. McKEITH C.D., BATES B., CATNEY M., et al.
1987A&A...173..352M 3 4 62 A multilevel study of ammonia in star-forming regions. I. Maser and thermal emission toward W 51 IRS 2. MAUERSBERGER R., HENKEL C. and WILSON T.L.
1987A&A...176L..24G 12 36 A new strong maser: HCN. GUILLOTEAU S., OMONT A. and LUCAS R.
1987A&A...177L..57M 7 2 63 Physical conditions in the IRAS 16293-2422 parent cloud. MENTEN K.M., SERABYN E., GUSTEN R., et al.
1987A&A...181L...1C 4 3 56 C6-H : astronomical study of its fine and hyperfine structure. CERNICHARO J., GUELIN M., MENTEN K.M., et al.
1987A&A...181L..19C 77 T                   1 1 31 Detection of the hydrocarbon ring molecule C3H2 in the planetary nebula
NGC 7027. 		COX P., GUSTEN R. and HENKEL C.
1987A&A...181..210B 28 15 The extended radio emission of P Cygni. BAARS J.W.M. and WENDKER H.J.
1987A&A...181..370K 8 1 33 Relative emission line strengths for Fe VII in astrophysical plasmas. KEENAN F.P. and NORRINGTON P.H.
1987A&A...182..137H 5 2 44 A multilevel study of ammonia in star forming regions. II. G 34.3+0.2, a new "hot core". HENKEL C., WILSON T.L. and MAUERSBERGER R.
1987A&A...182..290M 12 13 The 3.3 mu-m and 3.4 mu.m emission features in planetary nebulae. MARTIN W.
1987A&A...183..287R 2 6 Different regions of line formation in the envelope of the early emission line star HD 190073. RINGUELET A.E., ROVIRA M., CIDALE L., et al.
1987A&A...186L...5W 1 2 11 Centimeter and millimeter recombination lines from W3(OH) : expansion or champagne flow ? WILSON T.L., MAUERSBERGER R., BRAND J., et al.
1987A&AS...69..533M 1 10 43 32 GHz radio continuum observations of four plerionic supernova remnants. MORSI H.W. and REICH W.
1987A&AS...71..245G 30 63 Properties of planetary nebulae. I. Nebular parameters and distance scales. GATHIER R.
1987AJ.....93.1356H 19 12 Frequent observations of extragalactic compact sources at 24 GHz. HADDOCK T.F., ALLER H.D. and ALLER M.F.
1987AJ.....94..671B 3 49 686 The evolution of planetary nebulae. I. Structures, ionizations, and morphological sequences. BALICK B.
1987ApJ...312..284R 10 7 Infrared continuum radiation from red giants. ROSE W.K.
1987ApJ...314..422B 27 1 108 Amorphous carbon and the unidentified infrared bands. BORGHESI A., BUSSOLETTI E. and COLANGELI L.
1987ApJ...314..551C 13 2 110 The planetary nebula NGC 3918. CLEGG R.E.S., HARRINGTON J.P., BARLOW M.J., et al.
1987ApJ...317..412B 2 4 38 Temperature and emission-measure distributions for several planetary nebulae. BASART J.P. and DAUB C.T.
1987ApJ...318..392M 2 8 67 Models of molecular cloud cores. III. A multitransition study of H2CO. MUNDY L.G., EVANS II N.J., SNELL R.L., et al.
1987ApJ...319..407F 130 43 The (C III lambda1909 /Si III lambda1892) ratio as a diagnostic for planetary nebulae and symbiotic stars. FEIBELMAN W.A. and ALLER L.H.
1987ApJ...320..663H 2 5 46 H2 O maser emission from the nuclei of NGC 253 and M 51. HO P.T.P., MARTIN R.N., HENKEL C., et al.
1987ApJ...322..412B 35 5 704 Fluorescent excitation of interstellar H2. BLACK J.H. and VAN DISHOECK E.F.
1987ApJ...323...30B 21 47 Measurements of the 3He abundance in the interstellar medium. BANIA T.M., ROOD R.T. and WILSON T.L.
1987MNRAS.224p...7M 1 ~ Electron impact excitation rate coefficients for Mg3+ and Mg4+. MENDOZA C. and ZEIPPEN C.J.
1987MNRAS.227..161B 37 85 The determination of the masses of Magellanic Cloud planetary nebulae using (O II) doublet radio electron densities. BARLOW M.J.
1987AZh....64..724G 51 3 Determination of temperature of planetary nebulae nucleus from the relative intensities of the lines He I/H-beta and He II/H-beta. GOLOVATYJ V.V.
1987Ap&SS.129..353F 39 22 Neon, argon and chlorine abundance gradients from type II planetary nebulae. FAUNDEZ-ABANS M. and MACIEL W.J.
1987BAAS...19..736G 70 T                   1 1 0 Spectrophotometric observations of the planetary nebula
NGC 7027 : a search for H3 molecular emission. 		GUSSIE G.T.
1987BAAS...19..753L 4 0 IUE and optical observations of the symbiotic star/nebula He 2-104. LUTZ J.H.
1987BAAS...19Q.952S 2 1 New emission features in the 11-13 mu-m region and their relationship to the structure of PAHs. SANDFORD S.A., WITTEBORN F.C., BREGMAN J.D., et al.
1987BAAS...19.1077W 70 T                   1 1 ~ Spectroscopic imaging of
NGC 7027 in the 3 mu-m dust emission features. 		WOODWARD C.E.
1987BAAS...19.1089B 1 0 Simulated VLA observations and parameter estimation of symmetric nebulae. BASART J.P., SAFAEI-NILI A. and DAUB C.T.
1987MitAG..70..234C 3 0 Cyclic molecules in the interstellar medium. COX P.
1987PhR...156..113K 13 20 Effects of mass loss on the late stages of stellar evolution. KWOK S.
1987PAZh...13..589G 29 1 Energy distribution in emission spectra of planetary nebulae nucleus beyond Lyman limit. GOLOVATY V.V.
1987PBeiO...9...37H 13 0 Infrared astronomy. HU J.-Y.
1987PTarO..52..262N 8 0 Lines of the OIII ions of planetary nebulae spectra. Deviations from the LS-coupling. NIKITIN A.A., FEKLISTOVA T.H. and KHOLTYGIN A.F.
1987PTarO..52..270N 8 0 The problems of spectroscopy of the transitional region in planetary nebulae. NIKITIN A.A., KHOLTYGIN A.F. and FEKLISTOVA T.H.
1987RMxAA..14..534P 30 13 JHK photometry of compact planetary nebulae. PENA M. and TORRES-PEIMBERT S.
1987RMxAA..15..117P 1 6 43 Collisional excitation of the lambda 10830 HE I line and the population of the 2 3 S HE I state in gaseous nebulae. PEIMBERT M. and TORRES-PEIMBERT S.
1987IAUS..120..153G 2 4 32 Infrared observations of interstellar molecular hydrogen. GATLEY I. and KAIFU N.
1987IAUS..120..339S 36 4 The distribution of molecular hydrogen in planetary nebulae. STOREY J.W.V., WEBSTER B.L., PAYNE P., et al.
1987IAUS..120..345Z 10 5 Radio and millimeter observations of circumstellar envelopes. ZUCKERMAN B.
1987IAUS..120..379G 7 5 The effects of chromospheric radiation on the circumstellar chemistryof evolved stars. GLASSGOLD A.E.
1987IAUS..122..505H 4 1 CO in planetary nebulae. HUGGINS P.J. and HEALY A.P.
1987PN86........45R 23 ~ Spectroscopy at 8-13 mum as a probe of the carbon to oxygen ratio in planetary nebulae. ROCHE P.F.
1987PN86........55R 17 ~ Proto-planetary nebulae. RODRIGUEZ L.F.
1987PN86........79P 29 ~ The position of planetary nebulae nuclei in the H-R diagram : present status. POTTASCH S.R.
1987PN86.......249L 1 ~ Evolution of dust in planetary nebulae. LENZUNI P., NATTA A. and PANAGIA N.
1988A&A...190...41K 13 3 159 Radio continuum observations of M 82. KLEIN U., WIELEBINSKI R. and MORSI H.W.
1988A&A...191..278P 1 2 11 The collisional excitation of helium in nebulae. PEQUIGNOT D., BALUTEAU J.-P. and GRUENWALD R.B.
1988A&A...194..230L 101 38 New HCN masers in stars. LUCAS R., GUILLOTEAU S. and OMONT A.
1988A&A...196L...5B 1 10 78 Carbon monoxide in proto-planetary nebulae. BACHILLER R., GOMEZ-GONZALEZ J., BUJARRABAL V., et al.
1988A&A...196..252S 5 10 Search for polarization of the 3.3 and 11.3 mu-m interstellar emission features. SELLGREN K., ROUAN D. and LEGER A.
1988A&A...197L..15M 5 2 45 Radiocontinuum and recombination lines toward CRL 618. Evidence for an ionized stellar wind ? MARTIN-PINTADO J., BUJARRABAL V., BACHILLER R., et al.
1988A&A...197..235M 7 22 Observational evidence of a possible collimating agent of the HH 1-2 outflow. MARCAIDE J.M., TORRELLES J.M., GUSTEN R., et al.
1988A&A...198L...1L 13 41 The molecular shell surrounding the compact planetary nebula IRAS 21282+5050. LIKKEL L., FORVEILLE T., OMONT A., et al.
1988A&A...200L..21W 7 1 28 The central star of NGC 7027. WALTON N.A., POTTASCH S.R., REAY N.K., et al.
1988A&A...200..178M 40 7 Planetary nebulae and the pregalactic helium abundance. MACIEL W.J.
1988A&A...201..123M 4 3 51 A multilevel study of ammonia in a star-forming regions. IV. Emission and absorption toward W3 (OH). MAUERSBERGER R., WILSON T.L. and HENKEL C.
1988A&A...204..242B 31 83 Proto-planetary nebulae : the case of CRL 618. BUJARRABAL V., GOMEZ-GONZALEZ J., BACHILLER R., et al.
1988A&A...205..248P 72 136 Planetary nebulae near the galactic center. I. Method of discovery and preliminary results. POTTASCH S.R., BIGNELL C., OLLING R., et al.
1988A&A...206L..26W 2 2 18 The time variability of non-metastable ammonia maser lines. WILSON T.L. and HENKEL C.
1988A&A...206..298P 6 1 26 The 680-1050 mm recombination spectrum of hydrogen and helium in the planetary nebula NGC 7027. PEQUIGNOT D. and BALUTEAU J.-P.
1988A&AS...75..317S 296 145 Millimeter continuum measurements of extragalactic radio sources. STEPPE H., SALTER C.J., CHINI R., et al.
1988AJ.....96.1407K 4 13 The highly enriched planetary nebula BV-1. KALER J.B., CHU Y.-H. and JACOBY G.H.
1988ApJ...324..501Z 1 31 183 Molecular hydrogen maps of extended planetary nebulae: the Dumbbell, the Ring, and NGC 2346. ZUCKERMAN B. and GATLEY I.
1988ApJ...325..604G 1 4 30 H2 and HI emission line imaging of the Ring nebula (NGC 6720). GREENHOUSE M.A., HAYWARD T.L. and THRONSON H.A.Jr
1988ApJ...326..157N 38   K                 4 51 High-resolution spectroscopy of the 3 micron emission features in
NGC 7027 and IRAS 21282+5050. 		NAGATA T., TOKUNAGA A.T., SELLGREN K., et al.
1988ApJ...326..368P 71 55 A young planetary nebula with OH molecules: NGC 6302. PAYNE H.E., PHILLIPS J.A. and TERZIAN Y.
1988ApJ...326..889C 7 23 Hydrogen emissivity in realistic nebulae : the effects of velocity fields and internal dust. COTA S.A. and FERLAND G.J.
1988ApJ...326..899M 39   K                 2 33 Search for HeH+ in
NGC 7027. 		MOORHEAD J.M., LOWE R.P., MAILLARD J.-P., et al.
1988ApJ...328..709T 2 3 24 High spectral resolution observations of HD 44179 at 3.2-3.7 microns. TOKUNAGA A.T., NAGATA T., SELLGREN K., et al.
1988ApJ...333..193J 38   K                 2 28 Identification of the central star of
NGC 7027. 		JACOBY G.H.
1988ApJ...334..182M 19 10 Observations of the 13 C isomers of cyanoacetylene: implications for carbon isotope studies in the Milky Way. MANGUM J.G., ROOD R.T., WADIAK E.J., et al.
1988ApJ...334..875B 12 1 50 A mixture of hydrogenated amorphous carbon grains and PAH molecules: a candidate for the unidentified infrared bands ? BLANCO A., BUSSOLETTI E. and COLANGELI L.
1988MNRAS.231.1025M 11 15 Magnesium abundances in planetary nebulae and interstellar absorption of Mg II lambda 2800 A. MIDDLEMASS D.
1988MNRAS.234...95M 6 20 New near-infrared sources and reflection nebulosity in W 75N. MOORE T.J.T., MOUNTAIN C.M., YAMASHITA T., et al.
1988MNRAS.234..241B 2 5 Fine structure splitting of the 2s2 2p3 2P and 2D levels lf OII from CCD/echelle observations of the planetary nebula IC 418. BARNETT E.W. and McKEITH C.D.
1988MNRAS.235..533W 54 51 The systematics and distribution of molecular hydrogen in planetary nebulae. WEBSTER B.L., PAYNE P.W., STOREY J.W.V., et al.
1988MNRAS.235.1245A 1 7 30 Mg-H+ charge transfer and Mg line intensities in gaseous nebulae. ALLAN R.J., CLEGG R.E.S., DICKINSON A.S., et al.
1988PASP..100...97B 5 7 Circumstellar molecular envelopes: spectroscopy and structure. BEIGING J.H.
1988PASP..100..412O 1 3 16 The physics of gaseous nebulae. OSTERBROCK D.E.
1988Ap&SS.149..343G 109 20 The temperatures of the nuclei of high-excitation planetary nebulae. GURZADYAN G.A.
1988JRASC..82...69G 3 5 On the diatomic and triatomic hydrogen molecules in the planetary nebula NGC 7027. GUSSIE G. and PRITCHET C.
1988PNAS...85.2417A 3 1 14 The spectrum of NGC 7027 (367-650nm). ALLER L.H. and KEYES C.D.
1988PASJ...40..459A 1 4 24 Continuum observaton of Sagittarius B2 at 23 and 43 GHz. AKABANE K., SOFUE Y., HIRABAYASHI H., et al.
1988PASJ...40..665T 4 9 Radio continuum observations of the galactic center at 91 GHz. TSUBOI M., HANDA T., INOUE M., et al.
1988RMxAA..16..111M 35 39 Filling factor determinations and their effects on planetary studies. MALLIK D.C.V. and PEIMBERT M.
1988Sci...242.1264G 13 30 Astronomical imaging with infrared array detectors. GATLEY I., DEPOY D.L. and FOWLER A.M.
1988S&T....75..254M 8 1 Infrared astronomy's new image. McLEAN I.S.
1988S&W....27..648H 9 0 Molekularer Wasserstoff im interstellaren Medium. HIPPELEIN H.H.
1989A&A...209..369G 29 65 Properties of planetary nebulae. II. Central star evolution. GATHIER R. and POTTASCH S.R.
1989A&A...209..382C 34 45 C3H2 observations in dense dark clouds. COX P., WALMSLEY C.M. and GUSTEN R.
1989A&A...210...78S 23 66 Molecular emission lines from the envelopes of evolved stars. SOPKA R.J., OLOFSSON H., JOHANSSON L.E.B., et al.
1989A&A...210..366B 2 6 53 The structure of the molecular gas in the young planetary nebula NGC 2346. BACHILLER R., PLANESAS P., MARTIN-PINTADO J., et al.
1989A&A...210..378N 8 13 A newborn Trapezium within a bipolar nebula. NECKEL T., STAUDE H.J., MEISENHEIMER K., et al.
1989A&A...211L..31S 18 3 217 Identification of the emission bands at lambda lambda 6830, 7088. SCHMID H.M.
1989A&A...213..323H 6 8 Highly excited molecular hydrogen in M 42 and other nebulae. HIPPELEIN H.H. and MUNCH G.
1989A&A...214..333F 2 12 120 Strong magnetic fields in interstellar H2O maser clumps. FIEBIG D. and GUSTEN R.
1989A&A...215L..13M 7 3 93 A radio recombination line maser in MWC 349. MARTIN-PINTADO J., BACHILLER R., THUM C., et al.
1989A&A...216..245Z 2 4 42 Low mass planetary nebulae near the galactic centre. ZIJLSTRA A.A. and POTTASCH S.R.
1989A&A...217..204P 29 1 118 A coal model for the carriers of unidentified IR bands. PAPOULAR R., CONARD J., GIULIANO M., et al.
1989A&A...218..252B 2 5 56 Carbon monoxide emission from the ring nebula in Lyra. BACHILLER R., BUJARRABAL V., MARTIN-PINTADO J., et al.
1989A&A...218..267M 2 3 25 IRAS 16455-3455 and IRAS 15154-5258 : two new southern planetary nebulae. MANCHADO A., GARCIA-LARIO P. and POTTASCH S.R.
1989A&A...220...92S 24 31 The centimeter radio continuum from IRC +10216 and other late-type stars with mass-loss envelopes. SAHAI R., CLAUSSEN M.J. and MASSON C.R.
1989A&A...221..311W 11 6 Is HS 240 an interstellar bubble ? WISOTZKI L. and WENDKER H.J.
1989A&AS...78..301W 286 159 A catalogue of expansion velocities of galactic planetary nebulae. WEINBERGER R.
1989AJ.....97..172M 10 1 A search for HII regions embedded in intermediate-mass molecular clouds. MORIARTY-SCHIEVEN G.H., HUGHES V.A. and MacLEOD G.C.
1989AJ.....97.1403M 106 75 A survey of cyclopropenylidene (C3H2) in galactic sources. MADDEN S.C., IRVINE W.M., MATTHEWS H.E., et al.
1989AJ.....98.1682L 1 3 13 Nova Ophiuchi 1988: 0.9-1.35 mu.m spectroscopy 6 months after discovery. LYNCH D.K., RUDY R.J., ROSSANO G.S., et al.
1989ApJ...336..207T 2 8 71 Infrared spectroscopy of interstellar molecular hydrogen: decompositon of thermal and fluorescent components. TANAKA M., HASEGAWA T., HAYASHI S.S., et al.
1989ApJ...336..294M 136 T K                 1 1 127 The structure of
NGC 7027 and a determination of its distance by measurement of proper motions. 		MASSON C.R.
1989ApJ...336..822K 41 59 CO emission from evolved stars and proto-planetary nebulae. KNAPP G.R., SUTIN B.M., PHILLIPS T.G., et al.
1989ApJ...337..306A 1 4 20 Collisional rate coefficients of C3H2 and the determination of physical conditions in molecular clouds. AVERY L.W. and GREEN S.
1989ApJ...338..789C 1 13 81 Star formation in NGC 5253. CALDWELL N. and PHILLIPS M.M.
1989ApJ...339..949H 56 33 The detection of the 4-1 -3 0 E transition of methanol at 36.2 GHz toward hot H II regions. HASCHICK A.D. and BAAN W.A.
1989ApJ...341L..21C 5 2 40 Infrared emission from a polycyclic aromatic hydrocarbon (PAH) excited by ultraviolet laser. CHERCHNEFF I. and BARKER J.R.
1989ApJ...341L..79O 2 7 Spectrophotometry near the atmospheric cutoff of the strongest Bowen resonance fluorescence lines of O III in two planetary nebulae. O'DELL C.R. and OPAL C.B.
1989ApJ...341..246C 1 33 169 The infrared emission bands. III. Southern IRAS sources. COHEN M., TIELENS A.G.G.M., BREGMAN J., et al.
1989ApJ...341..270W 5 4 83 New emission features in the 11-13 micron region and their relationship to polycyclic aromatic hydrocarbons. WITTEBORN F.C., SANDFORD S.A., BREGMAN J.D., et al.
1989ApJ...341..901R 16 20 Electron temperatures in the high-excitation zones of planetary nebulae. ROWLANDS N., HOUCK J.R., HERTER T., et al.
1989ApJ...342..860W 114 T K                 1 1 37 Spectroscopic images of
NGC 7027 in the near-infrared dust emission features. 		WOODWARD C.E., PIPHER J.L., SHURE M., et al.
1989ApJ...342..876S 10 18 Extensive shocked molecular hydrogen emission in NGC 6334. STRAW S.M. and HYLAND A.R.
1989ApJ...343..811S 150 130 Electron densities in planetary nebulae. STANGHELLINI L. and KALER J.B.
1989ApJ...344..770W 1 18 107 The correlation of C II 158 micron and CO (J = 1-0) line emission. WOLFIRE M.G., HOLLENBACH D. and TIELENS A.G.G.M.
1989ApJ...344..791B 11 3 137 The infrared emission bands. II. A spatial and spectral study of the Orion bar. BREGMAN J.D., ALLAMANDOLA L.J., TIELENS A.G.G.M., et al.
1989ApJ...345L..55S 2 3 28 Expanding molecular torus around the planetary nebula IRAS 21282+5050. SHIBATA K.M., TAMURA S., DEGUCHI S., et al.
1989ApJ...345..306L 232 66 Properties and evolution of dust grains in planetary nebulae. LENZUNI P., NATTA A. and PANAGIA N.
1989ApJ...345..862G 7 26 The distance to NGC 6302. GOMEZ Y., MORAN J.M., RODRIGUEZ L.F., et al.
1989ApJ...345..871K 62 140 Central star temperatures of optically thick planetary nebulae and a distance-independent test of dredge-up theory. KALER J.B. and JACOBY G.H.
1989ApJ...346..201H 93 119 CO in planetary nebulae. HUGGINS P.J. and HEALY A.P.
1989ApJ...346..243M 2 6 69 The structures of and distances to BD +30 3639 and NGC 6572. MASSON C.R.
1989ApJ...347..307B 5 19 Numerical hydrodynamic models of planetary nebulae. BOBROWSKY M. and ZIPOY D.M.
1989ApJS...71..733A 43 7 1206 Interstellar polycyclic aromatic hydrocarbons: the infrared emission bands, the excitation/emission mechanism and the astrophysical implications. ALLAMANDOLA L.J., TIELENS A.G.G.M. and BARKER J.R.
1989MNRAS.236..485R 3 5 61 The emission structure between 11 and 13 mu-m across the Orion ionization front. ROCHE P.F., AITKEN D.K. and SMITH C.H.
1989MNRAS.239p...5M 7 ~ On the spetroscopic detection of faint haloes and reflection nebulae around planetary nebulae. MIDDLEMASS D., CLEGG R.E.S. and WALSH J.R.
1989PASP..101..873G 5 4 Radial and expansion velocities of compact planetary nebulae. GUSSIE G.T. and TAYLOR A.R.
1989ARA&A..27..161P 33 5 677 A new component of the interstellar matter : small grains and large aromatic molecules. PUGET J.L. and LEGER A.
1989Afz....30..151N 2 0 Pecularities of the spectra of planetary nebulae with stellar wind oftheir nucleus. NIKITIN A.A., FEKLISTOVA T.K. and KHOLTYGIN A.F.
1989A&ARv...1...49C 1 21 147 The galactic infrared/submillimeter dust radiation. COX P. and MEZGER P.G.
1989Ap&SS.154...21A 348 16 Planetary nebulae in the galaxy. AMNUEL P.R., GUSEINOV O.H. and RUSTAMOV Y.S.
1989BAAS...21..760V 1 0 Parameter estimation using images at multiple wavelengths governed by free-free emission. VENTER W.C., BASART J.P. and DAUB C.T.
1989BAAS...21.1199H 15 ~ Properties of the hottest central stars of planetary nebulae. HEAP S.R., CORCORAN M.F., HINTZEN P., et al.
1989JAF....34Q..13O 9 0 Observations millimetriques d'enveloppes circumstellaires. OMONT A.
1989JApA...10..147K 6 5 O III electron temperatures in planetary nebulae. KEENAN F.P. and AGGARWAL K.M.
1989PAZh...15..413E 70 T                   1 1 1 Radio recombination lines and expansion velocity of the planetary nebula
NGC 7027. 		ERSHOV A.A. and BERULIS I.I.
1989SSRv...51..339K 41 8 Planetary nebulae. KHROMOV G.S.
1989S&W....28..648R 6 1 Flugzeugastronomie in Deutschland. ROESER H.P. and SCHMID-BURGK J.
1989IAUS..131....9P 8 5 Infrared observations of galactic planetary nebulae. PREITE-MARTINEZ A.
1989IAUS..131...17T 15 8 Radio images of planetary nebulae. TERZIAN Y.
1989IAUS..131...39A 18 4 Catalogues of planetary nebulae. ACKER A.
1989IAUS..131...59B 70 T                   1 1 0 The near infrared spectrum of
NGC 7027. 		BALUTEAU J.-P. and PEQUIGNOT D.
1989IAUS..131...65L 4 10 Distances to planetary nebulae. LUTZ J.H.
1989IAUS..131...83B 41 22 The shapes and shaping of planetary nebulae. BALICK B.
1989IAUS..131..117R 8 26 Dust in planetary nebulae. ROCHE P.F.
1989IAUS..131..129R 9 16 Molecules and neutral hydrogen in planetary nebulae. RODRIGUEZ L.F.
1989IAUS..131..139C 16 37 Abundances in planetary nebulae. CLEGG R.E.S.
1989IAUS..131..157H 8 16 Photoionization models. HARRINGTON J.P.
1989IAUS..131..174L 9 0 IRAS observations of extended planetary nebulae. LEENE A. and POTTASCH S.R.
1989IAUS..131..176D 70 T                   1 1 ~ The temperature structure of
NGC 7027. 		DAUB C.T. and BASART J.P.
1989IAUS..131..178S 5 6 Infrared images and line profiles of planetary nebulae. SMITH M.G., GEBALLE T.R., ASPIN C., et al.
1989IAUS..131..203S 2 1 Spatially resolved observations of the unidentified dust features in BD +30 3639. SMITH C.H., AITKEN D.K. and ROCHE P.F.
1989IAUS..131..212P 6 0 Collisional excitation of the 10830 HE I line and the population of the 2 3 S HE I state in gaseous nebulae. PEIMBERT M. and TORRES-PEIMBERT S.
1989IAUS..131..224G 73 T                   1 1 12 A photoionization model study of
NGC 7027. 		GRUENWALD R.B. and PEQUIGNOT D.
1989IAUS..131..225E 4 0 Emission lines of CI and N II in planetary nebulae. ESCALANTE V.
1989IAUS..131..301W 70 T                   1 1 2 The central star of
NGC 7027. 		WALTON N.A., POTTASCH S.R., REAY N.K., et al.
1989IAUS..131..306A 6 1 Are Zanstra temperatures always real ? ALLER L.H.
1989IAUS..131..381K 18 6 Carbon stars as planetary nebula progenitors. KNAPP G.R.
1989IAUS..131..481P 12 24 The position of the central stars of PN on the HR diagram. POTTASCH S.R.
1989IAUS..131..531T 15 13 Planetary Nebulae with massive central stars. TYLENDA R.
1989IAUS..131..567A 33 1 Summarizing remarks on the structure and evolution of planetary nebulae and properties of their central stars. ALLER L.H.
1989IAUS..131..577P 26 5 Comments on the applications of planetary nebulae research. PEIMBERT M.
1989IAUS..136..423W 5 10 The luminosity of the central parsec of the galaxy. WERNER M.W. and DAVIDSON J.A.
1990A&A...228..546L 9 3 110 Reflective aspherized grating spectrographs for the Haute-Provence, and Nanjing Observatories: MARLYs and CARELEC. LEMAITRE G., KOHLER D., LACROIX D., et al.
1990A&A...230..457V 71 T                   1 1 6
NGC 7027 at millimeter wavelengths : microturbulence in the ionized shell. 		VALLEE J.P., GUILLOTEAU S., FORVEILLE T., et al.
1990A&A...231..159W 1 3 20 The detection of rotationally excited 2pi1/2, J=3/2 and J=5/2 main lines of OH. WILSON T.L., WALMSLEY C.M. and BAUDRY A.
1990A&A...234L...1S 1 2 15 CO in the bipolar planetary nebula NGC 3132. SAHAI R., WOOTTEN A. and CLEGG R.E.S.
1990A&A...234..387Z 1 4 18 A radio study of planetary nebulae. ZIJLSTRA A.A.
1990A&A...234..454P 3 10 The core-halo structure of IC 418. PHILLIPS J.P., TIERA A. and MAMPASO A.
1990A&A...235L...9G 1 7 48 IRAS 05341+0852: an evolved star with unique 3 mu.m emission features. GEBALLE T.R. and VAN DER VEEN W.E.C.J.
1990A&A...235..407V 13 13 Radio and infrared observations of the HII complex BG 2107+49. VAN DER WERF P.P. and HIGGS L.A.
1990A&A...237..495S 14 11 A distance-independent test of planetary nebulae nuclei evolution. SZCZERBA R.
1990A&AS...83..539R viz 883 166 The Effelsberg 21cm radio continuum survey of the Galactic plane between l=357deg and l=95.5deg. REICH W., REICH P. and FURST E.
1990A&AS...85..805F viz 158 49 A radio continuum survey of the Galactic Plane at 11 cm wavelength. IV. A list of 6483 small diameter sources. FURST E., REICH W., REICH P., et al.
1990AJ.....99.1327Z 2 2 Local feature enhancement of synthetic aperture radio images by adaptative Kalman filtering. ZHENG Y. and BASART J.P.
1990ApJ...348..421D 1 9 44 Line profiles and the kinematics of the narrow-line region in Seyfert galaxies. DE ROBERTIS M.M. and SHAW R.A.
1990ApJ...348..580M 8 25 On the structure of ionization-bounded planetary nebulae. MASSON C.R.
1990ApJ...349..120S 1 9 67 The 3.3 micron feature, H2, and ionized gas in the Orion bar. SELLGREN K., TOKUNAGA A.T. and NAKADA Y.
1990ApJ...351L..49D 2 3 27 Simple linear polycyclic aromatic hydrocarbon molecules and the infrared emission features: mothballs in the Orion ridge ? DULEY W.W. and JONES A.P.
1990ApJ...351..263P 1 7 36 The molecular envelope of Mira. PLANESAS P., BACHILLER R., MARTIN-PINTADO J., et al.
1990ApJ...351..522D 115 T K                 1 1 40 Molecular envelope of the planetary nebula
NGC 7027. 		DEGUCHI S., IZUMIURA H., KAIFU N., et al.
1990ApJ...353..200H 108 T K                 1 2 28 CCD imagery of planetary nuclei : the properties of the central stars of NGC 2440 and
NGC 7027. 		HEAP S.R. and HINTZEN P.
1990ApJ...353..543S 1 6 35 Quenched carbonaceous composite. III. Comparison to the 3.29 micron interstellar emission feature. SAKATA A., WADA S. and TOKUNAGA A.T.
1990ApJ...353..549H 2 3 27 High-resolution 8-13 micron imaging of the planetary nebulae BD +30 3639. HORA J.L., DEUTSCH L.K., HOFFMANN W.F., et al.
1990ApJ...354..242H 1 3 18 Infrared images of ionized and molecular hydrogen emission in S 106. HAYASHI S.S., HASEGAWA T., TANAKA M., et al.
1990ApJ...357..548F 63 33 Ultraviolet Fe VII absorption lines in planetary nebula nuclei, hot subdwarfs, and hot degenerate objects. FEIBELMAN W.A. and BRUHWEILER F.C.
1990ApJ...358L..21T 4 2 37 The infrared spectrum of G 29-38. TOKUNAGA A.T., BECKLIN E.E. and ZUCKERMAN B.
1990ApJ...358..251W 39 34 Mass loss from red giant stars. II. Carbon stars. WANNIER P.G., SAHAI R., ANDERSSON B.-G., et al.
1990ApJ...364L..45F 81 T                   1 1 44 The spatial distribution of extended red emission in the planetary nebula
NGC 7027. 		FURTON D.G. and WITT A.N.
1990ApJ...365L..23B 5 4 94 Hydrocarbon emission featuresin the infrared spectra of warm supergiants. BUSS R.H., COHEN M., TIELENS A.G.G.M., et al.
1990ApJ...365..239Z 5 2 40 The radiative association of He+ and H. ZYGELMAN B. and DALGARNO A.
1990ApJ...365..620B 22 4 354 Line emission from clumpy photodissociation regions. BURTON M.G., HOLLENBACH D.J. and TIELENS A.G.G.M.
1990MNRAS.243..570S 3 7 105 The lambda 2175-A feature from irradiated graphitic particles. SORRELL W.H.
1990MNRAS.244..294M 92 T                   1 1 89 A model for the planetary nebula
NGC 7027. 		MIDDLEMASS D.
1990MNRAS.246..217Z 1 10 40 Mapping the outflow of OH 5.89-0.39 ZIJLSTRA A.A., POTTASCH S.R., ENGELS D., et al.
1990PASP..102...59K 73 T                   1 6 87 The spectrum of
NGC 7027. 		KEYES C.D., ALLER L.H. and FEIBELMAN W.A.
1990PASP..102.1097A 2 3 25 The chemical compositions of gaseous nebulae. ALLER L.H.
1990BICDS..38...29O 52 0 Recent aspects of the bibliography of astronomical objects. OCHSENBEIN F. and DUBOIS P.
1990BAAS...22..813G 70 T                   1 1 3 The remarkable H2 morphology of the planetary nebula
NGC 7027. 		GRAHAM J.R., MATTHEWS K., NEUGEBAUER G., et al.
1990BAAS...22..832F 70 T                   1 1 0 Spatial variation of dust luminescence in the planetary nebula
NGC 7027. 		FURTON D.G. and WITT A.N.
1990IzKry..82...45N 29 1 The radio emission from several stars at frequency 36 GHz. NESTEROV N.S.
1990IzKry..82...61M 2 0 On the NGC 1275 nucleus variability in continuous and emission lines spectrum. MERKULOVA N.I., METIK L.P. and PRONIK I.I.
1990MmSAI..61...13S 6 0 Interstellar solid matter. STRAZZULLA G.
1990MmSAI..61...41B 31 0 The unidentified infrared bands and space observations with ISO. BLANCO A., BORGHESI A., OROFINO V., et al.
1990PPMtO...9....7Z 10 0 Interstellar molecular hydrogen. ZENG Q.
1991A&A...247..148P 71 T                   1 3 15 The CO structure of
NGC 7027: a bipolar nebula in the making. 		PHILLIPS J.P., MAMPASO A., WILLIAMS P.G., et al.
1991A&A...247..516S 1 3 13 Peculiar 15NH3 toward NGC 7538-IRS1. SCHILKE P., WALMSLEY C.M. and MAUERSBERGER R.
1991A&A...251..611R 76 T                   1 1 24 Radio recombination line observations of the planetary nebula
NGC 7027. 		ROELFSEMA P.R., GOSS W.M., POTTASCH S.R., et al.
1991A&AS...90...89A 876 46 The absolute H-beta fluxes for galactic planetary nebulae. ACKER A., STENHOLM B., TYLENDA R., et al.
1991AJ....102..289B 105 38 The mass range of carbon stars. BARNBAUM C., KASTNER J.H. and ZUCKERMAN B.
1991ApJ...366..422C 4 4 74 H II regions in M 82: high-resolution millimeter continuum observations. CARLSTROM J.E.
1991ApJ...366..474G 2 3 35 A spectroscopic study of the DR 21 outflow source. II. The vibrational H2 line emission. GARDEN R.P., GERALLE T.R., GATLEY I., et al.
1991ApJ...368..195L 109 T K                 1 1 12 Emission features in the spectrum of
NGC 7027 near 3.3 microns at very high resolution. 		LOWE R.P., MOORHEAD J.M., WEHLAU W.H., et al.
1991ApJ...368..486K 37   K                 1 10 Relative populations for levels in the 3d2 ground configuration of Fe VII. KEENAN F.P. and NORRINGTON P.H.
1991ApJ...375..630E 7 20 Near-infrared emission of neutral carbon from photon-dominated regions. ESCALANTE V., STERNBERG A. and DALGARNO A.
1991ApJ...376..599S 111 T K                 1 1 21 The spectrum of
NGC 7027 from 3080 to 2630 wavenumbers (3.25-3.80 microns) : detection of new atomic and molecular hydrogen lines and new constraintson the chemical sidegroups on polycyclic aromatic hydrocarbons. 		SANDFORD S.A.
1991ApJ...377..187L 1 6 46 Large molecule production by mass-losing carbon stars: the primary source of interstellar polycyclic aromatic hydrocarbons? LATTER W.B.
1991ApJ...377..192H 23 4 379 Low-density photodissociation regions. HOLLENBACH D.J., TAKAHASHI T. and TIELENS A.G.G.M.
1991ApJ...379..271B 107 T K                 1 7 45 The molecular envelope of
NGC 7027. 		BIEGING J.H., WILNER D. and THRONSON H.A.Jr
1991ApJ...380..151R 1 4 24 The 0.46-1.3 micron spectrum of the planetary nebula BD +30 3639. RUDY R.J., COHEN R.D., ROSSANO G.S., et al.
1991ApJ...380..452T 1 21 120 High-resolution spectra of the 3.29 micron interstellar emission feature: a summary. TOKUNAGA A.T., SELLGREN K., SMITH R.G., et al.
1991ApJ...380..461J 118 T K                 1 1 48 CO J = 3-2 and J = 2-1 observations of
NGC 7027. 		JAMINET P.A., DANCHI W.C., SUTTON E.C., et al.
1991ApJ...381L..59K 9 13 N III line emission in planetary nebulae : not Bowen fluorescence. KASTNER S.O. and BHATIA A.K.
1991ApJ...383..459S 2 4 36 3.3 micron emission from ultraviolet excitation of some aromatic molecules SHAN J., SUTO M. and LEE L.C.
1991ApJS...76..687P 211 103 Chemical abundances in planetary nebulae: basic data and correlations between elements. PERINOTTO M.
1991MNRAS.249..763S 96 17 A new water maser source in LBN 594. SCAPPINI F., CASELLI P. and PALUMBO G.G.C.
1991MNRAS.252..282R 2