M 57 , the SIMBAD biblio

M 57 , the SIMBAD biblio (832 results) C.D.S. - SIMBAD4 rel 1.8 - 2024.05.08CEST08:12:13

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Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1850CDT..1784..227M 111 ~ Catalogue des nebuleuses et des amas d'etoiles. MESSIER C.
1892AN....129..233K 83 0 Beobachtungen von Nebelflecken und Sternhaufen mit einem Lamellenmikrometer. KEMPF P.
1893AstAp..12...51V 9 0 Studies of the photographic spectrum of the planetary nebulae and of the new star. VON GOTHARD E.
1894AstAp..13..190V 61 T                   2 2 0 The small nebula at
M57. 		VON GOTHARD E.
1894AstAp..13..494C 6 0 Spectra of the great nebula in Orion and other well-known nebulae. CAMPBELL W.W.
1899ApJ....10..193K 62 T                   1 3 1 The
ring nebula in Lyra. 		KEELER J.E.
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.
1906MNRAS..66..104B 62 T                   1 43 1 The annular nebula in Lyra (
M 57). 		BARNARD E.E.
1906MNRAS..66..444N 62 T                   1 1 0 Note on the parallax and proper motion of the central star in the
annular nebula in Lyra. 		NEWKIRK B.L.
1910ApJ....32...26R 7 5 On some methods and results in direct photography with the 60-inch reflecting telescope of the Mount Wilson Solar Observatory. RITCHEY G.W.
1917ApJ....46..206L 12 1 Photographic effective wavelengths of some spiral nebulae and globular clusters. LUNDMARK K. and LINDBLAD B.
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.
1934LicOB..17...21A 32 6 The proper motions of thirty-three planetary nebulae. ANDERSON C.M.
1951ApJ...113..701L 13 0 Apparent magnitudes and color indices for some further white dwarfs and degenerate stars. LUYTEN W.J.
1951POBol...5n...1T 4 0 Indice di colore del nucleo della nebulosa planetaria in A.R.= 23h 33m 24s E D = + 30 11 (1950.0). TEMPESTI P.
1953GCRV..C......0W viz 13       D               1 15129 835 General Catalogue of Stellar Radial Velocities WILSON R.E.
1960ApJ...131..537M 4 2 63 Electron densities in two planetary nebulae. MINKOWSKI R. and OSTERBROCK D.
1960ApJ...131..541O 19 51 Electron densities in planetary nebulae. OSTERBROCK D.E.
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.
1963JO.....46...27C 25 17 Contribution a l'etude des nebuleuses planetaires grace a la camera electronique. CHOPINET M.
1964MNRAS.128..399D 11 16 Electron densities in gaseous nebulae. DAVIES L.B., RING J. and SELBY M.J.
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...141.1318A 8 33 Spectrophotometric studies of gaseous nebulae. V. Measurements of line intensities in planetary nebulae with an electronic camera. ALLER L.H. and WALKER M.F.
1965PASP...77...25L 9 25 Expansion of planetary nebulae. LILLER W.
1965BOTor..37..155I 103 0 The population assignement of planetary nebulae. IWANOSKA W. and KANTHAK J.
1965Natur.206..809D 23 6 Observations of planetary nebulae at 2700 MHz.. DAVIES J.G., FERRIDAY R.J., HASLAM C.G.T., et al.
1966ApJ...143..168O 1 3 18 Electronic temperature derivation from observations of low density H II regions and planetary nebulae. O'DELL C.R.
1966ApJ...143..722K 28 46 Hydrogen and Helium spectra of gaseous nebulae. KALER J.B.
1966ApJ...144..280L 14 53 Angular expansions of planetary nebulae. LILLER M.H., WELTER B.L. and LILLER W.
1966ApJ...144..657T 34 29 Radio emissions from planetary nebulae. TERZIAN Y.
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..443T 5 12 Radio survey of region of NGC 6781. TERZIAN Y.
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...149..377H 12 15 Flux densities of planetary nebulae at 5 GHz. HUGUES M.P.
1967ApJ...149..495D 9 49 Infrared emission from planetary nebulae. DELMER T.N., GOULD R.J. and RAMSAY W.
1967ApJ...149..721S 8 5 Measurements of electron temperature of eight planetary nebulae. SCHMITTER E.F. and MILLIS R.L.
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.
1968ApJ...153...43K 3 17 Spectrophotometric studies of gaseous nebulae. X. The small, high-excit ation planetary nebula IC 2165. KALER J.B., CZYZAK S.J. and ALLER L.H.
1968ApJ...154...87V 12 23 The He I lambda 10830 line in planetary nebulae and the Orion nebula. VAUGHAN A.H.
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.
1968ApL.....2..201T 8 8 Electronic temperature in outher regions of planetary nebulae. THOMPSON A.R.
1968BAICz..19....1K 262 19 Morphological study of planetary nebulae. I. Observed forms of planetary nebulae. KROMOV G.S. and KOHOUTEK L.
1968BAICz..19...81K 2 5 Morphological study of planetary nebulae. II. Spatial structure of planetary nebulae. KROMOV G.S. and KOHOUTEK L.
1968BAICz..19...90K 31 8 Morphological study of planetary nebulae. III. Unclassified and peculiar objects. KROMOV G.S. and KOHOUTEK L.
1968CoLic.269..282W 1 0 Observations of monochomatic intensitie distribution in planetary nebulae by means of electronography. WALKER M.F. and KRON G.E.
1968MmSAI..39..217B 13 6 Radio emission from planetary nebulae at 408 MHz. BARBIERI C. and FICARRA A.
1968IAUS...34...63A 9 2 Observations des nebuleuses planetaires dans l'infrarouge. ANDRILLAT Y.
1968IAUS...34...87T 66 32 Observations of planetary nebulae at radio wave-lengths. TERZIAN Y.
1968IAUS...34..104B 14 0 Radio emission from fourteen planetary nebulae at 408 MHz. BARBIERI C. and FICARRA A.
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..159A 26 1 On the methods of correction for the interstellar reddening of planetary nebulae. ARHIPOVA V.P.
1968IAUS...34..209A 17 42 The chemical composition of planetary nebulae. ALLER L.H. and CZYZAK S.J.
1968IAUS...34..227K 2 2 30 Morphological study of planetary nebulae. KROMOV G.S. and KOHOUTEK L.
1968IAUS...34..261O 6 0 Observations aspects of the evolution of planetary nebulae their central stars. O'DELL C.R.
1968IAUS...34..282W 1 1 7 Observations of monocron intensity distribution in planetary nebula by means of electronography. WALKER M.F. and KRON G.E.
1968IAUS...34..320L 19 20 Photometric observations of the central stars of planetary nebulae. LILLER W. and SHAO C.H.
1968IAUS...34..339A 65 53 Spectra of the central stars of planetary nebulae. ALLER L.H.
1969ApJ...155..469K 80 22 Survey of high-frequency radio radiation from planetary nebulae. KAFTAN-KASSIM M.A.
1969PASP...81..154K 50 10 Thermal emission by grains and the free-free emission from planetary nebulae. KRISHNA SWAMY K.S.
1969Afz.....5...83V 22 6 On the expansion of planetary nebulae. VITYAZEV V.V.
1969ATsir.498....7P 2 0 The photoelectric integral photometry of surface objects. PALEY A.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.
1969S&T....38..152A 6 0 The planetary nebulae. V. ALLER H.L.
1969S&T....38..227A 20 0 The planetary nebulae. VI. ALLER H.L.
1970A&A.....9..448H 2 2 29 Etude morphologique et cinematique de deux nebuleuses planetaires. HUA C.T. and LOUISE R.
1970ApJ...159..829W 1 3 27 [0 I] lambda 6300 emission in planetary nebulae. WILLIAMS R.E.
1970ApJ...160..887K 213 121 Chemical abundances and the parameters of planetary nebulae. KALER J.B.
1970ApJ...161..917A 31 98 Spectra of thirty-three gazeous nebulae in yellow green with electronic camera. ALLER L.H. and WALKER M.F.
1970MNRAS.150..359T 60 15 Further radio observations of planetary nebulae. THOMASSON P. and DAVIES J.G.
1970LAstr..84..141A 15 0 Planetary nebulae. ARKHIPOVA V.P.
1970JRASC..64..305F 10 7 Monochromatic photographic isotopic contours of planetary nebulae. I. FEIBELMAN W.A.
1970S&T....39...15A 8 2 The planetary nebulae. IX. ALLER L.H.
1970S&T....39..220A 13 2 The planetary nebulae. XI. ALLER L.H.
1970S&T....39..299A 23 0 The planetary nebulae. XII. ALLER L.H.
1970SoSht.166...31A 38 0 Methode of corrected interstellar reddening of planetary nebulae. ARKHIPOVA V.P.
1970PN70.........1G 50 0 Basic observational data. 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.
1970PN70.......195G 40 0 Double enveloppe nebulae. GURZADIAN G.A.
1970PN70.......238G 42 0 Magnetic fields in planetary nebulae. GURZADIAN G.A.
1971A&A....10..161G 166 117 The morphological classification of symmetrical nebulae. GREIG W.E.
1971AJ.....76..193S 35 25 On the distances of planetary nebulae. SMITH H.
1971AJ.....76..980D 254 87 The NRAO 5-GHz radio source survey. I. A survey of faint sources. DAVIS M.M.
1971ApJ...168..413P 2 13 157 Planetary nebulae. III. Chemical abundances. PEIMBERT M. and TORRES-PEIMBERT S.
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.154..301K 9 6 High speed photometry. KIBBLEWHITE E.J. and WILLSTROP R.V.
1971ApL.....7..241C 3 3 57 Observation small scale structure in planetary nebulae. CAPRIOTTI E.R.
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.
1971IzPul.187....4D 139 2 Statistical investigation of the motions, distribution of planetary nebulae. DEUTSCH A.N.
1971JRASC..65..251F 67 T                   1 6 6 Monochromatic photograph and isotopic contours of planetary nebula 3 : NGC 2392, 6210, 6826,
6720 and 6853. 		FEIBELMAN W.A.
1971NBSSP.353..182L 4 ~ Internal motions, kinematics of planetary nebulae. LILLER W.
1971PAB.....1....1H 443 52 Catalog of radio observations of planetary nebulae, related optical data. HIGGS L.A.
1972A&A....18...70G 73 105 Spatial and kinematic parameters of binebulous centric and annular nebulae. GREIG W.E.
1972A&A....21..193H 10 27 Nouvelles observations de quelques nebuleuses planetaires. HUA C.T. and LOUISE R.
1972AJ.....77..350T 16 7 Expected infrared spectra from planetary nebulae. TERZIAN Y. and SANDERS O.
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.
1972SvA....16....6O 14 0 Composition of angular expansion of planetary nebulae Measured at Pulkovo and Harvard Observatory. ORLOVA O.N.
1972CR....274..294L 1 ~ Modele d'ejection de la matiere. LOUISE R. and ROUX S.
1973MNRAS.161..313H 56 20 Study of radio continuum spectra of planetary nebulae. HIGGS L.A.
1973MNRAS.164..321S 32 9 Planetary nebulae: two types. SMITH H.
1973ATsir.788....3A 6 1 Analysis of high-speed fluctuation of brightness of nuclei of planetary nebulae. Pre-binary results. ALEKSEEV G.N.
1973BAAS....5..424G 2 0 High resolution maps of planetary nebulae at 6 cm. GEORGE D., KAFTAN-KASSIM M. and HARTSUIJKER A.P.
1973MSRSL...5...57M 13 15 Scanner observations of the Balmer decrement in planetary nebulae. MILLER J.S.
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..153D 4 8 Scanner observations of the continua of planetary nebulae. DANZIGER I.J. and GOAD L.E.
1973MSRSL...5..243K 19 2 Relative (OII) and (AIV) density indication of nebula structure. KIRKPATRICK R.C.
1973MSRSL...5..285A 21 9 Introduction report : chemical composition of planetary nebulae. ALLER L.H. and CZYZAK S.J.
1973MSRSL...5..473K 10 2 On the variability of planetary nebulae. KOSTJAKOVA E.B., ARHIPOVA V.P. and SAVEL'EVA M.V.
1973SSTor...5b...1I 379 ~ Statistical population indices of planetary nebulae. IWANOWSKA W.
1973IAUS...52..237C 50 4 Galactic dust distribution in the solar neighborhood. CAHN J.M. and NOSEK R.D.
1974A&A....30..189L 69 T                   1 2 24 Observations monochromatiques de la nebuleuse planetaire de la Lyre (
NGC 6720). 		LOUISE R.
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....35...71P 67 T                   1 2 8 Etude photometrique et morphologie de la nebuleuse de la Lyre,
NGC 6720. 		PROISY P.E.
1974A&A....35..219G 67 T                   1 3 9 High resolution radio interferometric observations of the planetary nebulae NGC 40, NGC 6543, and
NGC 6720. 		GEORGE D., KAFTAN-KASSIM M.A. and HARTSUIJKER A.P.
1974A&A....35..421P 154 19 Measurements of the flux density of weak radio sources at frequencies of 2.7 and 10.7 GHz. PAULINY-TOTH I.I.K., WITZEL A. and PREUSS E.
1974AJ.....79..594K 19 65 Planetary nebulae with multiple shells. KALER J.B.
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...188..529B 12 31 Nebular photometry with an echelle spectrometer (OII) line ratios in NGC 1976 and 6853. BOHUSKI T.J., DUFOUR R.J. and OSTERBROCK D.E.
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..885W 3 3 Narrow-band filter photography of IC 4406. WARNER J.W.
1974VA.....16..309T 27 2 The planetary nebulae as radio sources. THOMPSON A.R.
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.
1975ApJ...200...83D 36 ~ Oxygen abundances in planetary nebulae. DAUB C.T.
1975ApJ...201L..85M 1 14 143 The detection of carbon monoxide emission in planetary nebulae. MUFSON S.L., LYON J. and MARIONNI P.A.
1975MNRAS.170..475S 5 8 247 Collision strengths for (N II), (O III) (Ne II) and (Ne III). SEATON M.J.
1975MNRAS.170..487S 11 14 High resolution observations of planetary nebulae at 5 GHz. SCOTT P.F.
1975MNRAS.171..415C 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.171..441M 73 26 Orientation of planetary nebulae within the galaxy. MELNICK G. and HARWIT M.
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.
1976AJ.....81..407C 171 71 Interstellar extinction: a calibration by planetary nebulae. CAHN J.H.
1976ApJ...204..445A 52 32 Electron densities in gaseous nebulae. ALLER L.H. and EPPS H.W.
1976ApJ...205..798A 70 T                   1 1 12 Electron density measurements in
NGC 6720. 		ALLER L.H., EPPS H.W. and CZYZAK S.J.
1976ApJ...207..102D 11 32 Atomic nitrogen as a probe of physical conditions in the interstellar medium. DOPITA M.A., MASON D.J. and ROBB W.D.
1976ApJ...210..508C 107 61 The birthrate of planetary nebulae. CAHN J.H. and WYATT S.P.
1976ApJS...31..517K 334 358 A catalog of relative emission line intensities observed in planetary and diffuse nebulae. KALER J.B.
1976PASP...88..574A 29 49 Planetary nebulae, survey and outlook. ALLER L.H.
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.
1976MSRSL...9..271A 83 ~ Central Stars of planetary nebulae. ALLER L.H.
1976S&T....51..363H 43 0 Deep-sky wonders. HOUSTON W.S.
1976Lub75...1...43K 5 0 Planetary nebulae - what we see and what we know. KIRKPATRICK R.C.
1977A&A....58L..29M 35 3 The evolution of line intensity ratios in planetary nebulae. MINELLO S. and SABBADIN F.
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....60L...9M 41 3 Statistical properties of planetary nebulae: central stars. MINELLO S. and SABBADIN F.
1977A&AS...30..217A 982 4 Bibliographical index of planetary nebulae for the period 1965-1976. ACKER A. and MARCOUT J.
1977ApJ...212...94H 5 3 84 Strong (NII) emission and abundances in the ring nebula. HAWLEY S.A. and MILLER J.S.
1977MNRAS.179..317R 77 T                   1 1 45 Monochromatic isophotometry of planetary nebulae. II. Observations of
NGC 6720. 		REAY N.K. and WORSWICK S.P.
1977MNRAS.180...95T 13 40 Spectra of the low-excitation nebulosities around AG Carinae and HD 138403. THACKERAY A.D.
1977RMxAA...2..181T 1 42 376 Photoelectric photometry and physical conditions of planetary nebulae. TORRES-PEIMBERT S. and PEIMBERT M.
1978A&A....66..297A 73 T                   1 1 29 The structure of
NGC 6720. 		ATHERTON P.D., HICKS T.R., REAY N.K., et al.
1978A&A....68..275P 4 3 Non OTS models of dust nebulae. PERINOTTO M. and PICCHIO G.
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.
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..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..490M 10 1 54 Spectrophotometry of filaments in the Crab nebula. MILLER J.S.
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...224..873P 14 43 The N II/Halpha ratio in NGC 6888. PARKER R.A.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...97T 26 13 Ejection of planetary nebulae by He shell flashes and the planetary distance scale. TRIMBLE V. and SACKMANN I.J.
1978PASP...90...39H 2 3 34 Ionization and abundances in the Dumbbell nebula. HAWLEY S.A. and MILLER J.S.
1978IAUS...76...71M 4 6 Advances in optical studies of planetary nebulae. MILLER J.S.
1978IAUS...76..123A 12 0 Emission lines in the near infrared spectra of faint planetary nebulae. ANDRILLAT Y. and HOUZIAUX L.
1978IAUS...76..251M 9 14 Evolution and gas dynamics of planetary nebulae. MATHEWS W.G.
1978IAUS...76..289G 68 T                   1 0 The filamentary structure of the
ring nebula. 		GOAD L.E.
1978IAUS...76..290A 68 T                   1 1 0 The structure of
NGC 6720 : the ring nebula in Lyra. 		ATHERTON P.D., HICKS T.R., REAY N.K., et al.
1978IAUS...76..361O 2 0 Symposium conclusions I. OSTERBROCK D.E.
1979ApJ...228..163K 98 65 The enrichment of nitrogen and He in planetary nebulae. KALER J.B.
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.
1979MNRAS.189..511T 4 17 The internal kinematics of the planetary nebula NGC 650/1. TAYLOR K.
1979PASP...91..280S 65 34 Emission nebulae in NGC 4449. SABBADIN F. and BIANCHINI A.
1979Afz....15..269K 176 8 Distances and galactic distribution of planetary nebulae. KHROMOV G.S.
1979BAAS...11..668L 3 0 Color displays as tools in galactic structure and planetary nebulae ionization. LORRE J.J., KUPFERMAN P.N., POMPHREY R.B., et al.
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.
1979SvA....23..425P 168 12 Evolution of planetary nebulae : the temperature of their central stars. PILYUGIN L.S. and KHROMOV G.S.
1980A&A....88....1M 130 134 Distances of planetary nebulae. MACIEL W.J. and POTTASCH S.R.
1980A&A....89...33A 96 29 Relations between chemical, spatial and kinematic properties of planetary nebulae. ACKER A.
1980A&A....89..336P 37 132 Masses of planetary nebulae. POTTASCH S.R.
1980AJ.....85..886B 4 2 45 Molecular hydrogen emission in NGC 7027. BECKWITH S., NEUGEBAUER G., BECKLIN E.E., et al.
1980ApJ...237..491K 3 11 Stellar mass and the evolution of planetary nebulae. KALER J.B.
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...240...99B 6 2 61 The ionization structure of the ring nebula. I. Sulfur and argon. BARKER T.
1980ApJ...241.1014Z 1 5 38 A search for atomic hydrogen from evolved stars and planetary nebulae. ZUCKERMAN B., TERZIAN Y. and SILVERGLATE P.
1980ApJS...42....1J 109 207 The luminosity function for planetary nebulae and the number of planetary nebulae in local group galaxies. JACOBY G.H.
1980ApL....21...47P 2 9 The low excitation structures of NGC 6720 and 2474-75. PHILLIPS J.P. and REAY N.K.
1980QJRAS..21...82T 50 ~ Planetary nebulae. TERZIAN Y.
1980RMxAA...5....9P 40 98 On the helium and nitrogen enrichment of the interstellar medium by planetary nebulae. PEIMBERT M. and SERRANO A.
1980S&T....60..171H 1 0 Deep-sky wonders. HOUSTON W.S.
1980PhDT.........3D 116 17 A photometric investigation of possible binary occurrence in the central stars of seventeen planetary nebulae. DRUMMOND J.D.
1981A&A....94..160L 68 T                   1 1 4 Observations monochromatiques de la nebuleuse de la Lyre (
NGC 6720) en (OIII). 		LOUISE R.
1981A&A....98...81L 68 T                   1 1 3 Sur la double enveloppe et la temperature de la nebuleuse de la Lyre (
NGC 6720). 		LOUISE R.
1981ApJ...244...54K 13 23 (S II) in nebular spectra, and relative sulfur-to-oxygen ratios. KALER J.B.
1981ApJ...245..131F 5 20 Sharpless 216: a curious emission-line nebula. FESEN R.A., BLAIR W.P. and GULL T.R.
1981ApJ...246..434F 11 49 The ionization structure and abundance of argon in gaseous nebulae. FRENCH H.B.
1981ApJ...249..201K 53 38 Carbon in planetary nebulae. KALER J.B.
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.194..613A 1 6 37 A spectroscopic study of seven planetary nebulae in the Small Magellanic Cloud. ALLER L.H., KEYES C.D., ROSS J.E., et al.
1981ATsir1166....4A 6 0 The photoelectric UBV-Observations of variable planetary nebulae during 1968-1980. ARHIPOVA V.P. and KOSTYAKOVA E.B.
1981SBS80.R....517I 80 ~ Temperature determination of exciting stars in highly excited planetary nebulae and symbiotic stars. IIJIMA T.
1982A&A...110..105S 57 45 Internal motions in planetary nebulae. SABBADIN F. and HAMZAOGLU E.
1982ApJ...253..167B 8 1 40 The ionization structure of the ring nebula. II. Ultraviolet observations. BARKER T.
1982MNRAS.199p..15F 3 ~ Ultraviolet spectra of planetary nebulae. VIII. The C/O abundance ratio in the ring nebula. FLOWER D.R.
1982MNRAS.199..649R 84 97 Measurements of expansion velocities in planetary nebulae. ROBINSON G.J., REAY N.K. and ATHERTON P.D.
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.
1982BASI...10...73M 64 4 Planetary Nebulae. MALLIK D.C.V.
1982PSCDS...3....0A 452 ~ Catalogue of the central stars of true and possible planetary nebulae. ACKER A., GLEIZES F., CHOPINET M., et al.
1982IAUS..103..323P 37 ~ Mass loss from central stars of planetary nebulae. PERINOTTO M.
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&AS...54..315A 1436 15 Index and cross-identification of planetary nebulae. ACKER A., MARCOUT J., OCHSENBEIN F., et al.
1983ApJ...265..249W 16 32 A newly discovered nearby planetary nebula of old age. WEINBERGER R., DENGEL J., HARTL H., et al.
1983ApJ...266..689K 3 2 30 Two-dimensional photometry of planetary nebulae. KUPFERMAN P.N.
1983ApJ...267..630B 8 2 88 The ionization structure of planetary nebulae. III. NGC 7009. BARKER T.
1983ApJ...268..683J 69 T                   1 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..641B 1 5 28 Sulfur abundances in three halo planetary nebulae. BARKER T.
1983ApJ...271..188K 80 289 The evolution of large planetary nebulae and their central stars. (NB: PK 13+2 1=131+2 1, 214+14 1=217+14 1) KALER J.B.
1983ApJ...273..214F 14 36 The abundance of carbon in planetary nebulae. FRENCH H.B.
1983ApJS...52..399S 499 203 Radial velocities of planetary nebulae. SCHNEIDER S.E., TERZIAN Y., PURGATHOFER A., et al.
1983MNRAS.202..303W 2 3 33 NGC 2346: a bipolar nebula produced by mass-loss from a binary system. WALSH J.R.
1983ATsir1271....1K 7 0 The study of the photometric variability of 6 planetary nebulae in 1968-1982. KOSTYAKOVA E.B.
1983AZh....60..448A 22 24 Geometry, gas-cloud kinematics, line profiles, and rapid profile variability in active nuclei and quasars. ANTOKHIN I.I. and BOCHKAREV N.G.
1983AZh....60..931S 25 4 The determination of the temperature and radius of the central star from the radio flux of the planetary nebula and the stellar magnitude of the nucleus. STANKEVICH K.S. and SHAROVA O.I.
1983JBAA...93...61A 69 T                   2 1 0
Ring nebula
M 57. 		ARBOUR R.
1983MmSAI..54..511C 87 4 Planetary nebulae: IUE results. CERRUTI-SOLA M. and PERINOTTO M.
1983Msngr..31...20H 6 1 Morphological and physical study of planetary nebulae. HUA C.T. and LOUISE R.
1983S&W....22...68G 29 0 Planetarische Nebel. GIESEKING F.
1983S&W....22..224G 15 0 Planetarische Nebel. GIESEKING F.
1983S&W....22..336G 20 0 Planetarische Nebeln. GIESEKING F.
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..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..323P 39 52 Mass loss from central stars of planetary nebulae. PERINOTTO M.
1983IAUS..103..391P 65 94 Distances of the central stars and their position in the HR diagram. POTTASCH S.R.
1983IAUS..103..522B 69 T                   1 2 0 The ionization structure of
NGC 6720 and NGC 7009. 		BARKER T.
1983IAUS..103..532K 6 2 UBV-observations of variable planetary nebulae. KOSTYAKOVA E.B.
1984A&A...130...91P 53 37 Distances, radii, and masses of the planetary nebulae. PHILLIPS J.P. and POTTASCH S.R.
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...137...92P 77 31 The dynamics, evolution and formation rate of planetary nebulae. PHILLIPS J.P.
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.
1984AJ.....89..501T 38 14 Arecibo interferometer observations of compact planetary nebulae. TURNER K.C. and TERZIAN Y.
1984ApJ...278..610B 1 6 40 Chemical abundances in a new halo planetary nebula. BARKER T. and CUDWORTH K.M.
1984ApJ...279..304C 49 24 Observational evolution of the central stars of planetary nebulae. CAHN J.H.
1984ApJ...284..589B 2 3 42 The ionization structure of planetary nebulae. IV. NGC 6853. BARKER T.
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..995C 17 0 The internal motions in multiple shell planetary nebulae. CHU Y.H., KWITTER K.B., JACOBY G.H., et al.
1985A&A...149..365M 75 27 Galactic electron temperature gradient from planetary nebulae. MACIEL W.J. and FAUNDEZ-ABANS M.
1985AJ.....90.2055H 2 8 High-spatial-resolution observation of the small planetary nebula IC 2165. HUA C.-T. and GRUNDSETH B.
1985ApJ...291..237C 60 132 Winds in central stars of planetary nebulae. CERRUTI-SOLA M. and PERINOTTO M.
1985ApJ...294..193B 2 4 42 The ionization structure of planetary nebulae. V. NGC 3242. BARKER T.
1985Ap&SS.113...59A 107 10 The parameters of planetary nebulae and their central stars derived from observations. AMNUEL P.R., GUSEINOV O.H., NOVRUZOVA H.I., et al.
1985BAAS...17..885O 2 0 Balmer line evidence for weak shocks in planetary nebulae. OLSON R.W.
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...158..228F 46 53 Abundance gradients from type II planetary nebulae. FAUNDEZ-ABANS M. and MACIEL W.J.
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...160..171L 5 5 Evidence for intrinsic polarization in the optical radiation of planetary nebulae. LEROY J.L., LE BORGNE J.F. and ARNAUD J.
1986A&A...161..363P 64 90 IRAS spectra of planetary nebulae. III. POTTASCH S.R., PREITE-MARTINEZ A., OLNON F.M., et al.
1986A&AS...64..579S 79 49 Planetary nebulae at known distance. SABBADIN F.
1986A&AS...65..267A viz 881 20 A 5-GHz survey of radio sources. ALTSCHULER D.R.
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...302..727J 44 85 Halos around planetary nebulae. JEWITT D.C., DANIELSON G.E. and KUPFERMAN P.N.
1986ApJ...308..314B 2 5 43 The ionization structure of planetary nebulae. VI. NGC 7662. BARKER T.
1986ApJ...308..322K 106 109 Electron temperatures in planetary nebulae. KALER J.B.
1986MNRAS.220p..33H 69 T                   1 4 ~ CO in the planetary nebulae NGC 2346 and
6720. 		HUGGINS P.J. and HEALY A.P.
1986ATsir1430....3K 6 0 New results of the photoelectric UBV-observations of six planetary nebulae in 1983-1985. KOSTYAKOVA E.B.
1986Ast....14j..39J 12 0 A delightful dozen of planetary nebulae. JUHNKE C.M.
1986BAAS...18..950G 69 T                   1 0 H 2 and H I emission line imaging of the
ring nebula. 		GREENHOUSE M.A., HAYWARD T.L. and THRONSON H.A.Jr
1986BAAS...18.1054G 69 T                   1 3 0 Molecular hydrogen maps of extended planetary nebulae : the Dumbbell, the
Ring, and NGC 2346. 		GATLEY I. and ZUCKERMAN B.
1986JBAA...96...84L 12 0 Visual spectroscopy. LIVESEY R.J.
1986MitAG..67..111K 12 4 Molecular line observations of mass loss from red giants. KNAPP G.R.
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...178..319M 72 T                   1 1 11 Extended filamentary structures in the halo of the Lyra planetary nebula
NGC 6720. 		MORENO M.A. and LOPEZ J.A.
1987A&A...180..191P 13 40 La nature des nebuleuses planetaires bipolaires. PASCOLI G.
1987A&AS...71..245G 30 63 Properties of planetary nebulae. I. Nebular parameters and distance scales. GATHIER R.
1987AJ.....94..671B 3 49 686 The evolution of planetary nebulae. I. Structures, ionizations, and morphological sequences. BALICK B.
1987ApJ...313..268H 68 38 Mass distribution and evolutionary schema for central stars of planetary nebulae. HEAP S.R. and AUGENSEN H.J.
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...322..922B 105 T K                 5 25 The ionization structure of planetary nebulae. VII. New observations of the ring nebula. BARKER T.
1987ApJ...323L..47S 2 4 47 Light echoes : supernovae 1987A and 1986G. SCHAEFER B.E.
1987ApJS...64..529C 1 41 222 Multiple-shell planetary nebulae. I. Morphology and frequency of occurrence. CHU Y.-H., JACOBY G.H. and ARENDT R.
1987AZh....64..537P 6 2 The spatial structure of planetary nebulae with binary central stars. PILYUGIN L.S.
1987Ap&SS.129..353F 39 22 Neon, argon and chlorine abundance gradients from type II planetary nebulae. FAUNDEZ-ABANS M. and MACIEL W.J.
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..122..505H 4 1 CO in planetary nebulae. HUGGINS P.J. and HEALY A.P.
1987PN86........39L 5 ~ IRAS additional observations of planetary nebulae. LEENE A., ZHANG C.Y. and POTTASCH S.R.
1987PN86........79P 29 ~ The position of planetary nebulae nuclei in the H-R diagram : present status. POTTASCH S.R.
1988A&A...200..178M 40 7 Planetary nebulae and the pregalactic helium abundance. MACIEL W.J.
1988A&A...202..203L 66 16 IRAS pointed observations of planetary nebulae. LEENE A. and POTTASCH S.R.
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 36   K                 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..368P 71 55 A young planetary nebula with OH molecules: NGC 6302. PAYNE H.E., PHILLIPS J.A. and TERZIAN Y.
1988ApJ...327..342T 21 29 EINSTEIN X-ray observations of planetary nebulae and their implications. TARAFDAR S.P. and APPARAO K.M.V.
1988ApJ...331..826B 2 7 Spatial probing of a nebular properties via Bowen pumping. BHATIA A.K. and KASTNER S.O.
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.
1988Ap&SS.149..343G 109 20 The temperatures of the nuclei of high-excitation planetary nebulae. GURZADYAN G.A.
1988JBAA...98..362B 15 0 Planetary nebulae. BRAZELL O.
1988S&W....27..278E 3 0 Lichtechos um Supernovae. ELSAESSER H.
1989A&A...209..369G 29 65 Properties of planetary nebulae. II. Central star evolution. GATHIER R. and POTTASCH S.R.
1989A&AS...78..301W 286 159 A catalogue of expansion velocities of galactic planetary nebulae. WEINBERGER R.
1989AJ.....98.2159K 13 8 Properties of central stars in 13 faint, extended planetary nebulae. KWITTER K.B. and JACOBY G.H.
1989ApJ...338..197S 30 4 492 The infrared response of molecular hydrogen gas to ultraviolet radiation: high-density regions. STERNBERG A. and DALGARNO A.
1989ApJ...340..921B 7 11 The ionization structure of planetary nebulae. IX. NGC 1535. BARKER T.
1989ApJ...343..811S 150 130 Electron densities in planetary nebulae. STANGHELLINI L. and KALER J.B.
1989ApJ...345..306L 232 66 Properties and evolution of dust grains in planetary nebulae. LENZUNI P., NATTA A. and PANAGIA N.
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...347..307B 5 19 Numerical hydrodynamic models of planetary nebulae. BOBROWSKY M. and ZIPOY D.M.
1989Afz....30..282I 10 0 Planetary nebulae: axisymmetric models. IGUMENSHCHEV I.V., TUTUKOV A.V. and SHUSTOV B.M.
1989Ap&SS.154...21A 348 16 Planetary nebulae in the galaxy. AMNUEL P.R., GUSEINOV O.H. and RUSTAMOV Y.S.
1989BAAS...21.1200M 70 T                   1 1 0 Dust in
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1989SSRv...51..339K 41 8 Planetary nebulae. KHROMOV G.S.
1989IAUS..131...55K 6 0 The photometric (UBV) study of the planetary nebulae variability in 1968-1987. KOSTYAKOVA E.B.
1989IAUS..131...83B 41 22 The shapes and shaping of planetary nebulae. BALICK B.
1989IAUS..131..105C 36 46 Multiple shell planetary nebulae. CHU Y.-H.
1989IAUS..131..129R 9 16 Molecules and neutral hydrogen in planetary nebulae. RODRIGUEZ L.F.
1989IAUS..131..170G 70 T                   1 1 3 H2 and H I emission line imaging of the Ring Nebula
NGC 6720. 		GREENHOUSE M.A., HAYWARD T.L. and THRONSON H.A.
1989IAUS..131..186H 2 1 Spatial deconvolution of IRAS observations of planetaries. HAWKINS G. and ZUCKERMAN B.
1989IAUS..131..198C 10 15 Internal motions of faint PN halos. CHU Y.-H. and JACOBY G.H.
1989IAUS..131..223C 2 2 Observations and models of the 'Helix' nebula NGC 7293. CLEGG R.E.S. and WALSH J.R.
1989IAUS..131..381K 18 6 Carbon stars as planetary nebula progenitors. KNAPP G.R.
1989IAUS..131..577P 26 5 Comments on the applications of planetary nebulae research. PEIMBERT M.
1990A&A...227..207R 1 1 4 The argon abundance in planetary nebulae. RATAG M.A. and POTTASCH S.R.
1990A&A...232..184P 38 19 Morphology of bipolar planetary nebulae. II. The three-dimensional structures. PASCOLI G.
1990A&AS...83...27P 15 4 Morphology of bipolar planetary nebulae. I. Two-dimensional spectrophotometry. PASCOLI G.
1990A&AS...83..337J 310 57 A survey of infrared features in HII regions, planetary nebulae and proto-planetary nebulae from the IRAS-LRS data base. JOURDAIN DE MUIZON M., COX P. and LEQUEUX J.
1990AJ....100..511H 2 4 37 The molecular envelopes of evolved planetary nebulae. HEALY A.P. and HUGGINS P.J.
1990ApJ...348..580M 8 25 On the structure of ionization-bounded planetary nebulae. MASSON C.R.
1990ApJ...356L..59Z 4 15 Molecules in NGC 6781 and other runglike planetary nebulae. ZUCKERMAN B., KASTNER J.H., BALICK B., et al.
1990ApJ...359..392K 120 127 Large planetary nebulae and their significance to the late stages of stellar evolution. KALER J.B., SHAW R.A. and KWITTER K.B.
1990MNRAS.244..521B 17 44 Dynamical evolution of planetary nebulae. II. Ionisation of shells in planetary nebulae and the formation of low-ionization knots. BREITSCHWERDT D. and KAHN F.D.
1990ATsir1544....7G 20 2 Revision of the scale of planetary nebulae distances. GOLOVATY V.V.
1990LAstr.104..147W 3 0 Des etoiles Mira aux nebuleuses planetaires. WAELKENS C.
1990Ast....18j..66C 3 0 CCD cameras : digital astrophotography is here. CHIBNIK M.
1990Ap&SS.171..157M 18 1 Narrow-band photometry of Wolf-Rayet stars and planetary nebulae. MENDOZA E.E.
1990Ap&SS.171..195B 4 2 Molecular gas in young planetary nebulae. BACHILLER R., BUJARRABAL V., MARTIN-PINTADO J., et al.
1990JHA....21..331H 6 0 Rosse, Robinson and the resolution of the nebulae. HOSKIN M.
1991A&A...247..148P 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...251..560S 1 6 46 The bipolar planetary nebula IC 4406: CO, optical and dust emission. SAHAI R., WOOTTEN A., SCHWARZ H.E., et al.
1991A&A...252..718M 10 2 80 Hydrodynamical models of aspherical planetary nebulae. MELLEMA G., EULDERINK F. and ICKE V.
1991A&AS...89...77T 352 67 The B and V magnitudes of the central stars of planetary nebulae. TYLENDA R., ACKER A., STENHOLM B., 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.
1991A&AS...91..325P 84 66 Statistical properties of winds in central of planetary nebulae. PATRIARCHI P. and PERINOTTO M.
1991ApJ...374..227H 62 14 Spatial studies of planetary nebulae with IRAS. HAWKINS G.W. and ZUCKERMAN B.
1991ApJ...376..150C 1 6 44 The multiple-shell structure of the planetary nebula NGC 6751. CHU Y.-H., MANCHADO A. and KWITTER K.B.
1991ApJ...379..271B 1 7 45 The molecular envelope of NGC 7027. BIEGING J.H., WILNER D. and THRONSON H.A.Jr
1991ApJS...76..687P 211 103 Chemical abundances in planetary nebulae: basic data and correlations between elements. PERINOTTO M.
1991Ap&SS.181...73G 144 9 Excitation class of nebulae - an evolution criterion ? GURZADYAN G.A. and EGIKYAN A.G.
1991BAAS...23.1408Q 70 T                   1 1 0 Spatial variations in UV emission lines across the
Ring nebula. 		QUIGLEY R. and DUFOUR R.J.
1991PASAu...9..309P 83 2 Winds in central stars of planetary nebulae. PATRIARCHI P. and PERINOTTO M.
1991S&W....30..617W 31 0 Eine Beobachtungsnacht im Herbst. WEISHEIT B.
1991TrSht..62..143K 14 2 Study of planetary nebula variability. Catalogue of photoelectric UBV-brightness of 7 planetary nebulae. KOSTYAKOVA E.B.
1991IAUS..145..375M 114 118 Photospheric abundances un central stars of planetary nebulae, and evolutionary implications. MENDEZ R.H.
1992A&A...262..271M 151 50 Kinematics of disk planetary nebulae. MACIEL W.J. and DUTRA C.M.
1992A&AS...94..399C viz 772 454 A catalogue of absolute fluxes and distances of planetary nebulae. CAHN J.H., KALER J.B. and STANGHELLINI L.
1992A&AS...95..337T 925 103 The extinction constants for galactic planetary nebulae. TYLENDA R., ACKER A., STENHOLM B., et al.
1992ApJ...386..587F 20 58 Extended red emission from dust in planetary nebulae. FURTON D.G. and WITT A.N.
1992ApJ...389..628S 3 6 72 Jet formation in the transition from the asymptotic giant branch to planetary nebulae. SOKER N.
1992ApJ...392..582B 29 104 Stellar wind paleontology. II. Faint halos and historical mass ejection in planetary nebulae. BALICK B., GONZALEZ G., FRANK A., et al.
1992A&ARv...4..215P 74 33 Evolution of planetary nebulae. POTTASCH S.R.
1992Ap&SS.188..171P 19 3 Molecular and low excitation emission in high mass post-main-sequence nebulae. PHILLIPS J.P., WILLIAMS P.G., MAMPASO A., et al.
1992BAAS...24.1213K 4 ~ The bipolar symmetry of ring-like planetary nebulae : H2 imaging at 2.122 mu-m with the Kitt Peak cryogenic optical bench. KASTNER J.H., et al.
1992C&E...265...44B 4 0 Mauna Kea astronomie sur un volcan. BRUNIER S.
1992PAZh...18..802K 7 ~ The mean integral UBV-magnitudes of 7 planetary nebulae for 1968-1988. KOSTYAKOVA E.B.
1992S&W....31..774B 2 1 Muster-erkennung in der Astronomie. BAUER T.
1992ESOPN...1....1A viz 1829 ~ Strasbourg-ESO Catalogue of Galactic Planetary Nebulae ACKER A., OCHSENBEIN F., STENHOLM B., et al.
1993A&A...273..601F 10 10 High-resolution spectrophotometric imaging of the Herbig-Haro object HH 29 in the L 1551 outflow. FRIDLUND C.V.M., LISEAU R. and PERRYMAN M.A.C.
1993A&AS...99..291L viz 454 464 CO and HCN observations of circumstellar envelopes. A catalogue - mass loss rates and distributions. LOUP C., FORVEILLE T., OMONT A., et al.
1993AJ....106.1954V 9 6 Deprojection of planetary nebula images. VOLK K. and LEAHY D.A.
1993ApJ...409..725Y 110 108 Circumstellar shells resolved in IRAS survey data. II. Analysis. YOUNG K., PHILLIPS T.G. and KNAPP G.R.
1993ApJ...410..239Z 131 41 On the distance to galactic planetary nebulae. ZHANG C.Y.
1993ApJS...86..517Y 508 82 Circumstellar shells resolved in the IRAS survey data. I. Data processing procedure, results, and confidence tests. YOUNG K., PHILLIPS T.G. and KNAPP G.R.
1993ApJS...88..137Z 433 106 Trace of planetary nebula evolution by distance-independent parameters. ZHANG C.Y. and KWOK S.
1993PASP..105.1287R 43 17 [Ne V] 3426 A line fluxes of planetary nebulae. ROWLANDS N., HOUCK J.R., SKRUTSKIE M.F., et al.
1993AcA....43..371G 48 4 comparison of the masses of planetary nebula nuclei derived from different methods. GORNY S.K., TYLENDA R. and STASINSKA G.
1993AcA....43..389T 37 15 On the evolutionary status of WR-type planetary nebula nuclei. TYLENDA R. and GORNY S.K.
1993BAAS...25..851Z 71 T                   1 ~ High resolution far-infrared observations of the Ring nebula. ZHANG C.Y., et al.
1993IAUS..155..147H 32 15 The neutral envelopes of planetary nebulae: molecules and H I. HUGGINS P.J.
1993IAUS..155..175P 8 21 Trigonometric parallaxes of planetary nebulae. PIER J.R., HARRIS H.C., DAHN C.C., et al.
1993IAUS..155..209K 13 7 CCD imaging of planetary nebula halos. KWITTER K.B., CHU Y.H. and DOWNES R.A.
1994A&A...281L..93B 73 T                   2 22 Detection of the lambda 609 mu.m line of neutral atomic carbon in the Ring nebula. BACHILLER R., HUGGINS P.J., COX P., et al.
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