M 42 , the SIMBAD biblio

M 42 , the SIMBAD biblio (3983 results) C.D.S. - SIMBAD4 rel 1.8 - 2023.04.02CEST10:42:21

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Title First 3 Authors
1850CDT..1784..227M 111 ~ Catalogue des nebuleuses et des amas d'etoiles. MESSIER C.
1893AstAp..12..722C 7 0 Concerning the nature of Nova Aurigae's spectrum. CAMPBELL W.W.
1893AstAp..12..923C 61 T                   2 1 0 Preliminary note on the spectrum of the
Orion Nebula.
1894AstAp..13..384C 61 T                   1 8 0 Spectra of the
great nebula in Orion and other well-known nebulae.
1894AstAp..13..476K 61 T                   2 6 1 On the spectra of the
Orion nebula and the Orion stars.
1894AstAp..13..811B 61 T                   1 3 1 The great photographic nebula of Orion, encircling the Belt and theta nebula. BARNARD E.E.
1897ApJ.....6..363C 62 T                   2 1 0 On the variations observed in the spectrum of the
Orion nebula.
1897ApJ.....6..364S 62 T                   2 1 0 Observations of the spectrum of the
Orion nebula.
1897ApJ.....6..365A 62 T                   2 1 0 Variations in the spectrum of the
Orion nebula.
1897ApJ.....6..365W 62 T                   2 1 0 Variations in the spectrum of the
Orion nebula.
1899ApJ.....9..133K 62 T                   1 2 3 On some photographs of the
great nebula in Orion, taken by means of the less refrangible rays of its spectrum.
1899ApJ.....9..312C 62 T                   1 1 1 A comparison of the visual hydrogen spectra of the
Orion nebula and of a Geissler tube.
1899ApJ....10...29M 62 T                   1 1 1 The direct concave grating spectroscope. The ultra-violet hydrogen series. The great
Orion nebula.
1902ApJ....15..302V 62 T                   1 1 0 Radial velocity of the
Orion nebula.
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.
1903AN....163..161W 35 1 Die veraenderlichen Sterne des Orionnebels. WOLF M.
1904ApJ....19..289P 62 T                   1 98 3 Variable stars in the
nebula of Orion.
1904ApJ....19..350F 7 0 Observations with the Bruce spectrograph. FROST E.B. and ADAMS W.S.
1904ApJ....20..136P 62 T                   1 2 1 Faint stars near the Trapezium in the
Orion nebula.
1905ApJ....21..389H 62 T                   1 1 1 Monochromatic photographs of the
Orion nebula.
1914ApJ....40..241B 64 T                   1 1 25 An application of interference to the study of the
Orion nebula.
1922ApJ....55...20C 29 3 New measurements of stellar radiation. COBLENTZ W.W.
1922ApJ....56..162H 112 90 A general study of diffuse galactic nebulae. HUBBLE E.P.
1922ApJ....56..400H 62 74 The source of luminosity in galactic nebulae. HUBBLE E.
1924AN....222..253W 63 T                   1 13 0 Einige starker bewegte Sterne beim
1931PASP...43..255T 64 T                   1 7 23 The distance of the
Orion nebula.
1935POLyo...1...12B 64 T                   1 659 11 La nebuleuse
d'Orion et ses etoiles variables.
1937ApJ....86..123B 64 T                   1 9 32 Spectrophotometric investigations of some O-band B-type stars connected with the
Orion Nebula.
1941ApJ....93...70H 18 8 1347 Diffuse radiation in the Galaxy. HENYEY L.G. and GREENSTEIN J.L.
1946PASP...58..366G 65 T                   1 9 10 Spectra of variable stars in the
Orion nebula.
1946MeLu2.119....1C viz 186 84 Studies of bright diffuse galactic nebulae with special regard to their spatial distribution. CEDERBLAD S.
1946POBol...5a...3R 93 0 Ricerche fotografiche sul gruppo di nebulose presso Orionis. ROSINO L.
1947ApJ...105..255B 3 6 166 Small dark nebulae. BOK B.J. and REILLY E.F.
1950AJ.....55...72H 65 T                   1 38 27 Faint stars with strong emission in an around the
Orion Nebula.
1950ApJ...111...15H 65 T                   1 25 15 Spectra of variable stars in the
Orion nebula.
1951ApJ...114..407S 3 8 192 Continuous emission from planetary nebulae. SPITZER L.Jr and GREENSTEIN J.L.
1952ApJ...116..452W 65 T                   1 5 0 The relative populations of the HeI 2(1)S and 2(3)S stars in the
Orion nebula.
1952JRASC..46..222H 14 36 Emission-line stars in galactic nebulosities. HERBIG G.H.
1953ApJ...117...73H 65 T                   1 270 101 H-alpha emission stars and peculiar objects in the region of the
Orion Nebula.
1953ApJ...118...16H 65 T                   1 7 22 Rapid variables in the
Orion Nebula.
1954ApJ...119..625B 65 T                   1 8 60 The space motions of AE Aur and mu Col with respect to the
Orion nebula.
1954Natur.174..176H 25 22 Radio observations of ionized hydrogen nebulae and other discrete sources at a wavelength of 9.4 cm. HADDOCK F.T., MAYER C.H. and SLOANAKER R.M.
1954TrSht..25....1P viz 65 T                   1 2987 78 Catalogue of stars in the area of the
Orion Nebula.
1955ApJ...122..235O 65 T                   1 7 40 Electron densities in the
Orion Nebula.
1956AuJPh...9...74P 51 18 Cosmic radio sources observed at 600 Mc/s. PIDDINGTON J.H. and TRENT G.H.
1956MmSAI..27..335R 66 T                   1 165 4 Nuove ricerche sulle stelle variabili della
nebulosa di Orione.
1957ApJ...125..328M 66 T                   1 8 36 The ratio of Helium to Hydrogen in the
Orion Nebula.
1958RA......5..127H 5 0 T Tauri stars, flare stars, and related objects as members of stellar associations. HERBIG G.H.
1959ApJ...129...26O 91 T                   1 1 179 Electron densities in the
Orion Nebula. II.
1959ApJS....4..199W 66 T                   1 36 125 Internal kinematics of the
Orion Nebula.
1959AZh....36..444D 99 9 The T-association near rho Ophiuchi. DOLIDZE M.V. and ARAKELIAN M.A.
1959MmRAS..68...37E viz 474 194 A survey of radio sources at a frequency of 159 Mc/s. EDGE D.O., SHAKESHAFT J.R., McADAM W.B., et al.
1959SvA.....3..451D 66 T                   1 6 1 Determination of the mass of the
Orion Nebula from photographs taken inred light.
1960PASP...72..237H 109 125 Radio source measurements at 960 MC/S. HARRIS D.E. and ROBERTS J.A.
1960PASP...72..268L 6 17 The electronic camera, its installation, and results obtained with the 120-inch reflector of the Lick Observatory LALLEMAND A., DUCHESNE M. and WALKER M.F.
1961MmSAI..32..297R 66 T                   1 156 1 Ricerche sulle variabili nebulari. I. Altre stelle variabili e variabil i a 'flare' nel campo della
nebulosa d'Orione.
1962ApJ...135..151C 16 74 The hydrogen line in absorption. CLARK B.G., RADHAKRISHNAN V. and WILSON R.W.
1962ApJ...135..694B 42 127 Ionized gas in spiral and irregular galaxies. BURBIDGE E.M. and BURBIDGE G.R.
1962CoAsi.125....1R 66 T                   1 1 1 Ricerche sulle variabili nebulari. I. Altre stelle variabili e variabili a flare nel campo della
nebulosa d'Orione.
1962ZA.....56..127M 67 T                   1 6 43 On the structure of the
Orion Nebula.
1963ApJ...137..147M 7 18 Tests for linear polarization in the 1390 MC/S radiation from six intense radio sources. MORRIS D. and RADHAKRISHNAN V.
1963MNRAS.125..261C 161 218 The radio frequency spectra of discrete radio sources. CONWAY R.G., KELLERMANN K.I. and LONG R.J.
1964ApJ...139..869V 70 T                   1 1 33 The formation of H II regions. III. A model of the
Orion Nebula.
1964ApJ...140..969K 241 142 The spectra of non-thermal radio sources. KELLERMANN K.I.
1964ApJ...140.1613W 66 T                   1 7 8 The ratio of total-to-selective absorption for the
Orion nebula.
1964MNRAS.128..399D 11 16 Electron densities in gaseous nebulae. DAVIES L.B., RING J. and SELBY M.J.
1965ApJ...142.1398C 1 23 222 An interferometer investigation of the 21-centimeter hydrogen-line absorption. CLARK B.G.
1965BAN....18...42D 196 26 A catalogue of discrete sources observed at 400 Mc/s. DAVIS M.M., GELATO-VOLDERS L. and WESTERHOUT G.
1965VA......6..149P 2 7 87 The diffuse emission nebulae. POTTASCH S.R.
1965VA......6..173P 13 0 Determination of electron temperature in diffuse nebulae. POTTASCH S.R.
1966ApJ...145...21C 193 62 Radio-source fringe visibilities with an interferometer of 21500-wavelength base line. CLARK B.G. and HOGG D.E.
1966ApJS...13...65P viz 735 198 Positions and flux densities of radio sources. PAULINY-TOTH I.I.K., WADE C.M. and HEESCHEN D.S.
1966PASP...78..163B 67 T                   1 4 8 Interstellar Helium at 1.0830 micron in the
Orion Nebula.
1966AuJPh..19..837S 631 90 The Parkes catalogue of radio sources. Declination zone 0 to -20. SHIMMINS A.J., DAY G.A., EKERS R.D., et al.
1966Sci...153.1107Z 5 15 Brightness distributions of radio sources at 2 centimeter wavelength. ZISK S.H.
1967ApJ...147..471M 4 21 611 Galactic H II regions. I. Observations of their continuum radiation at the frequency 5 GHz. MEZGER P.G. and HENDERSON A.P.
1967ApJ...147..490M 1 14 157 Galactic H II regions. II. Observations of their hydrogen 109 alpha recombination-line radiation at the frequency 5009 MHz. MEZGER P.G. and HOGLUND B.
1967ApJ...147..799B 78 T                   1 3 199 Observations of an infrared star in the
Orion nebula.
1967ApJS...15...97H 2 6 91 Observations of the spatial structure of interstellar hydrogen. I. High-resolution observations of a small region. HEILES C.
1967IAUS...31....3V 6 34 Structure and motions in the interstellar medium. VAN WOERDEN H.
1968AJ.....73....1S 58 13 Upper limits to the degree of circular polarization of the integrated 1418-MHz radiation from radio galaxies. SEIELSTAD G.A. and WEILER K.W.
1968ApJ...151..473M 92 142 Radial velocities and kinematics of galactic H II regions. MILLER J.S.
1968ApJ...154...87V 67 T                   1 12 23 The He I lambda 10830 line in planetary nebulae and the Orion nebula. VAUGHAN A.H.
1968ApJ...154..833M 14 38 Observations of four H II regions at a wavelength of 2.8 centimeters. MacLEOD J.M. and DOHERTY L.H.
1968ApJS...16..219W 68 T                   1 10 61 Observations of OH emission in W 3, NGC 6334, W 49, W 51, W 75, and
Ori A.
1968ApL.....1..145S 68 T                   1 3 20 Internal motions in NGC 6853, 6618 and
1968IAUS...34...68A 67 T                   1 11 12 Spectres de
NGC 1976,6572, IC 418,4997 dans le proche infrarouge photographique.
1968IAUS...34...74V 67 T                   1 6 0 The He lambda 10830 line in planetary nebulae and the Orion nebula. VAUGHAN A.H.
1969A&A.....2..372S 25 11 Circular polarization measurements of compact radio sources at 1420 MHz. SEIELSTAD G.A.
1969A&A.....2..453T 13 5 Search for microwave emission from the 2pi1/2, J=3/2 state of OH. TURNER B.E.
1969ApJ...155L.193N 70 T                   1 4 83 The infrared sources in the Trapezium region of
M 42.
1969ApJ...155L.197S 70 T                   1 3 62 Spectral distribution of infrared radiation from the Trapezium region of the
Orion Nebula.
1969ApJ...155..447W 67 T                   1 298 155 Studies of extremely young clusters. V. Stars in the vicinity of the
Orion nebula.
1969ApJ...155..817R 1 17 118 Positions and Stokes parameters of seven OH-emssion sources. RAIMOND E. and ELIASSON B.
1969ApJ...156..815B 156 32 Polarization of discrete sources at 21.2-cm wavelength, and galactic depolarization. BOLOGNA J.M., McCLAIN E.F. and SLOANAKER R.M.
1969ApJ...157L..37W 18 43 Infrared emission from planetary nebulae. WOOLF N.J.
1969ApJ...157L.113C 67 T                   1 12 16 On the far-ultraviolet interstellar extinction law in the
Orion nebula region.
1969ApJ...158..629M 101 176 The effective temperatures of the O stars. MORTON D.C.
1969BOTT....5...59H 67 T                   1 104 22 Flare stars in the
Orion Nebula region.
1969MSRSL..17..275A 67 T                   1 4 2 Raies interdites dans le spectre ir de
NGC 1976, IC 418, IC 4997.
1970A&A.....4..244Z 7 29 Observations of the anomalous microwave recombination line at 11 cm wavelength. ZUCKERMAN B. and PALMER P.
1970A&A.....5..325P 68 T                   1 1 6 Submillimeter radiation from the
Orion Nebula.
1970A&A.....6..261C 8 28 Observations of radio recombination lines at lambda = 18 cm. CHURCHWELL E. and EDRICH J.
1970A&A.....6..364W 186 262 A survey of H 109-alpha recombination line emission in galactic HII regions of the southern sky. WILSON T.L., MEZGER P.G., GARDNER F.F., et al.
1970A&A.....7..311P 1 7 59 On the chemical abundance of NGC 6822. PEIMBERT M. and SPINRAD H.
1970A&A.....9..307G 68 T                   1 3 28 Shapes of recombination lines at lambda 3 cm in
M 42, M 17 and IC 1795.
1970AJ.....75..347F 67 T                   1 3 5 H alpha photography of the
Orion Nebula with a half-angstrom filter.
1970AJ.....75.1095A 29 18 Rotational velocities in the Orion Nebula cluster. ABT H.A.
1970ApJ...160..507A 33 29 The interstellar extinction of stars in HII regions. ANDERSON C.M.
1970ApJ...162..507R 67 T                   1 2 0 Profile of He I 10830 in NGC 7027 and
Orion Nebula.
1970QJRAS..11..199O 38 23 Abundances of the elements in gaseous nebulae. OSTERBROCK D.E.
1971A&A....11..485C 67 T                   1 11 10 New He-weak stars in the
I Orion association.
1971AJ.....76..571S 10 22 Comparative study of radio and optical photometry of several H II regions. SCHMITTER E.F.
1971ApJ...170L..89H viz 159 134 100-micron survey of the galactic plane. HOFFMANN W.F., FREDERICK C.L. and EMERY R.J.
1971MNRAS.154..255N 67 T                   1 6 13 Dust in the
Orion nebula.
1971Natur.231...97H 4 ~ NP 0532 - Frequency structure in individual strong pulses. HEILES C. and RANKIN J.M.
1971PZ.....18..131S 67 T                   1 13 2 On the polarization of some variable stars in
Orion Nebula.
1971PZ.....18..201S 67 T                   1 133 1 Variable stars in the Large
Orion Nebula.
1971PASAu...2...14H 24 1 Galactic infrared astronomy. HYLAND A.R.
1972A&A....17..329H 1 7 59 On the coincidence of OH emission sources in bright knots in H II regions. HABING H.J., ISRAEL F.P. and DE JONG T.
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.
1972A&AS....5..369F 45 152 Radio emission at 1400 MHz from galactic H II regions. FELLI M. and CHURCHWELL E.
1972AJ.....77..810B 59 38 Measurements of the integral Stockes parameters of compact radio sources. BERGE G.L. and SEIELSTAD G.A.
1972ApJ...173L..99G 79 87 X-ray emission from rich clusters of galaxies. GURSKY H., SOLINGER A., KELLOGG E.M., et al.
1972ApJ...178L..23B 23 18 Observations of methanol in Sagittarius B2 at 48 GHz. BARRETT A.H., MARTIN R.N. and MYERS P.C.
1972ApJ...178..281G 143 259 The UHURU catalog of X-ray souces. GIACCONI R., MURRAY S., GURSKY H., et al.
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.
1972ApJS...24...49R 1 42 280 III. 21 centimeter absorption measurements on 41 galactic sources north of declination -48. RADHAKRISHNAN V., GOSS W.M., MURRAY J.D., et al.
1972Natur.236....6F 67 T                   1 4 ~ Infrared astronomy - Observations of
M 42, NGC 2024 and M 1.
1973A&A....22...33D 69 T                   1 2 24 Measurements of the electron temperatures in
M 42 from the profiles of H alpha (N II), H beta and (O III).
1973ApJ...180..801F 67 T                   1 6 11 Kinematics of the Huyghenian region of the
Orion nebula.
1973ApJ...182L...7B 73 T                   1 2 72 On the nature of the infrared point source in the
Orion Nebula.
1973ApJ...182..497J 20 19 Infrared nebular luminosity versus stellar luminosity in five H II regions. JOHNSON H.M.
1973ApJ...183L..97L 68 T                   1 4 26 2.2-and 3.5-micron polarization measurements of the Becklin-Neugebauer object in the
Ori nebula.
1973ApJ...183..505P 67 T                   1 54 51 Multicolor observations of stars in the vicinity of the
Orion Nebula.
1973ApJ...185..535M 70 T                   1 5 90 Very long baseline interferometric observations of the H20 sources in W49N, W3(OH),
Orion A, and VY Canis Majoris.
1973PASP...85..479S 68 T                   1 8 72 Spectrophotometry of the
Orion Nebula.
1973PASP...85..526G 68 T                   1 2 20 An emission-line object found in the
Orion Nebula.
GULL T.R., GOAD L., CHIU H.Y., et al.
1973IAUS...54...93C 25 98 Absolute magnitude determinations from hydrogen-line photometry. CRAWFORD D.L.
1974A&A....32..283C 19 100 Helium abundance in galactic H II regions. CHURCHWELL E., MEZGER P.G. and HUCHTMEIER W.
1974A&A....35....1H 1 7 73 Identification of type I OH masers with very small H II regions. HABING H.J., GOSS W.M., MATTHEWS H.E., et al.
1974ApJ...187L..19C 1 2 20 The methanol source in Orion at 1.2 centimeters. CHUI M.F., CHEUNG A.C., MATSAKIS D., et al.
1974ApJ...188..529B 68 T                   1 12 31 Nebular photometry with an echelle spectrometer (OII) line ratios in
NGC 1976 and 6853.
1974ApJ...189L..87H 2 4 52 Dust and gas in the Orion molecular cloud: observations of 1-millimeter continuum aand 2-centimeter H2CO emission. HARVEY P.M., GATLEY I., WERNER M.W., et al.
1974ApJ...190L.117D 68 T                   1 7 29 Vibrationally excited silicon monoxide in the
Orion nebula.
1974ApJ...191L..99G 1 2 15 Beam maser measurements of CH_{3}OH rotational transitions. GAINES L., CASLETON K.H. and KUKOLICH S.G.
1974ApJ...192...63G 69 T                   1 4 36 Maps of spatial and kinematic structure of galactic nebulae. I. H 76a studies of M 17,
M 42, W 51, and DR 21.
1974ApJ...192L..93M 77 T                   1 1 57 On the spectrum of neutral oxygen in the
Orion Nebula.
1974ApJ...192..221P 1 10 69 Infrared emission from H II regions. PANAGIA N.
1974ApJ...193..335S 2 6 100 Composition gradients across spiral galaxies. SHIELDS G.A.
1974ArA.....5..381R 68 T                   1 16 ~ A search for flare stars in the
Orion Nebula region.
1974LicOB.658....1H 84 228 Draft catalog of Herbig-Haro objects . HERBIG G.H.
1975ApJ...196..465G 76 T                   1 2 87 Starlight excitation of permitted lines in the
Orion Nebula.
1975ApJ...198..349P 9 10 On the intensities of decimetric-wavelength radio recombination lines. PARRISH A. and PANKONIN V.
1975ApJ...199..591S 3 21 362 Spectrophotometric observations of ionized hydrogen regions in nearby spiral and irregular galaxies. SMITH H.E.
1975ApJ...201L..25T 3 3 46 Confirmation of interstellar N2H+. THADDEUS P. and TURNER B.E.
1975ApJ...201..352S 10 3 151 The molecular cloud Sagittarius B2. SCOVILLE N.Z., SOLOMON P.M. and PENZIAS A.A.
1975MNRAS.172p..49T 68 T                   1 3 ~ Nickel and copper in the
Orion nebula.
1975SvAL....1..187B 3 7 Observations of the H56alpha radio lines in several H II regions. BERULIS I.I., SMIRNOV G.T. and SOROCHENKO R.L.
1976A&A....51..155S 5 4 Search for radiation from the 2II1/2, J=5/2 state of interstellar CH. SUME A., RYDBECK O.E.H., KOLLBERG E., et al.
1976ApJ...203..159L 16 69 Optical and millemeter-wave observations of the M8 region. LADA C.J., GULL T.R., GOTTLIEB C.A., et al.
1976ApJ...204L.135W 6 18 Isotopic abundances in interstellar carbon monosulfide. WILSON R.W., PENZIAS A.A., WANNIER P.G., et al.
1976ApJ...207..442M 2 2 22 The spectrum of portions of diffuse nebulae shadowed from the central star. MATHIS J.S.
1976ApJ...209L.137Z 8 4 165 High-velocity gas in the Orion infrared nebula. ZUCKERMAN B., KUIPER T.B.H. and RODRIGUEZ KUIPER E.N.
1976ApJ...209..452K 4 4 96 A dense molecular cloud in the OMC-1/OMC-2 region. KUTNER M.L., EVANS II N.J. and TUCKER K.D.
1976JBAA...86..344G 6 0 The nebular variables. GLASBY J.S.
1976LicOB.722....1B 6 0 Studies of the dusty H II region NGC 2024. BALICK B.
1977A&A....61..117G 1 7 65 H2O in Orion: outflow of matter in the last stages of star formation. GENZEL R. and DOWNES D.
1977AJ.....82..890F 1 7 50 The local complex of O and B stars. II. Kinematics. FROGEL J.A. and STOTHERS R.
1977ApJ...211..108P 14 40 Deuterium in the Galaxy. PENZIAS A.A., WANNIER P.G., WILSON R.W., et al.
1977ApJ...212..396A 10 3 151 The molecular composition of dense interstellar clouds. ALLEN M. and ROBINSON G.W.
1977ApJ...214..725E 22 10 1108 Sequential formation of subgroups in OB associations. ELMEGREEN B.G. and LADA C.J.
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..521K 4 10 214 The molecular complexes in Orion. KUTNER M.L., TUCKER K.D., CHIN G., et al.
1977ApJ...216..713K 83 T                   1 3 228 On the molecular hydrogen emission at the
Orion Nebula.
1977ApJ...217..741S 4 3 73 Molecular synthesis in interstellar clouds: some relevant laboratory measurements. SMITH D. and ADAMS N.G.
1977MNRAS.179..217P 83 T                   1 4 311 Chemical composition of the
Orion nebula.
1977PASP...89..627C 68 T                   1 5 14 Large proper motions in the
Orion Nebula.
1977JRASC..71...21K 34 10 Index of extragalactic radio-source catalogues. KESTEVEN M.J.L. and BRIDLE A.H.
1978A&A....62....1D 71 T                   1 2 30 ANS: X-rays from the direction of the
Orion Nebula (M 42)
1978A&A....70..359T 75 T                   1 1 36 High-velocity features in
M 42 driven by stellar winds.
1978A&A....70..719C 31 115 Gradient of H II region electron temperatures and helium abundance in the Galaxy. CHURCHWELL E., SMITH L.F., MATHIS J., et al.
1978A&A....70..769I 1 22 165 H II regions and CO clouds - The blister model. ISRAEL F.P.
1978ApJ...220..525S 5 4 110 H2 cooling dissociation, and infrared emission in shocked molecular clouds. SHULL J.M. and HOLLENBACH D.J.
1978ApJ...220.1051E 3 9 161 Star formation in shock-compressed layers. ELMGREEN B.G. and ELMEGREEN D.M.
1978ApJ...223..464B 73 T                   1 9 252 Observations of the molecular hydrogen emission from the
Orion nebula.
1978ApJ...224..873P 14 43 The N II/Halpha ratio in NGC 6888. PARKER R.A.R.
1978ApJ...226..824C 6 9 Upper limits to the ambient magnetic field in several dense molecular clouds. CLARK F.O., JOHNSON D.R., HEILES C.E., et al.
1978ApJS...36....1M 3 12 200 Microwave spectral lines in galactic dust globules. MARTIN R.N. and BARRETT A.H.
1978ApJS...36..497W 488 185 A photometric study of the Ori OB1 association. III. Subgroup analyses. WARREN W.H. and HESSER J.E.
1978PASP...90..543H 5 5 Faint Blue Stars in the fields of young clusters. HARTWICK F.D.A. and HESSER J.E.
1979A&A....75...34P 72 T                   1 3 62 The structure of the
Orion Nebula: the ionized gas.
1979A&A....80L...3M 25 60 Radio determination of oxygen abundance variation in the Galaxy. MEZGER P.G., PANKONIN V., SCHMID-BURGK J., et al.
1979ApJ...228L..33B 10 21 X-rays from the Orion Trapezium. BRADT H.V. and KELLEY R.L.
1979ApJ...234..912H 2 4 59 Ammonia observations of the Orion molecular cloud. HO P.T.P., BARRETT A.H., MYERS P.C., et al.
1979ARA&A..17..345H 109 203 Compact H II regions and OB star formation. HABING H.J. and ISRAEL F.P.
1979IBVS.1628....1C 11 3 Flare stars in Orion. CHAVUSHIAN H.S., MELIKIAN N.D., MIRZOYAN L.V., et al.
1979LicOB.836....1L 68 T                   1 1 0 Fine-structure lines and elemental abundances in the
Orion Nebula.
1980A&A....90..297B 12 28 OH observations of molecular complexes in Orion and Taurus. BAUD B. and WOUTERLOOT J.G.A.
1980A&AS...40...33V 11 3 Photometrie photoelectrique de nebuleuses gazeuses diffuses dans la raie H-alpha. VIDAL J.-L.
1980ApJ...236..481M 1 4 38 An interferometric and multitransitional study of the Orion methanol masers. MATSAKIS D.N., WRIGHT M.C.H., TOWNES C.H., et al.
1980ApJ...236..808I 1 14 85 The appearance of dusty H II blisters at radio and infrared wavelengths. ICKE V., GATLEY I. and ISRAEL F.P.
1980ApJ...238L..31L 15 56 Near-infrared circular polarization observations of molecular cloud sources. LONSDALE C.J., DYCK H.M., CAPPS R.W., et al.
1980ApJ...238..133T 77 T                   1 2 97 IUE and visual observations of the
Orion nebula and IC 418: the carbon abundance.
1980MNRAS.190..163N 6 29 Accurate measurements of the positions of OH maser sources. NORRIS R.P., BOOTH R.S. and DAVIS R.J.
1980MNRAS.193..115L 1 5 44 Ammonia observations of the molecular clouds near S 68, S 140, OMC 2 and S 106. LITTLE L.T., BROWN A.T., MacDONALD G.H., et al.
1980AuJPh..33..139B 80 91 Galactic plane H2O masers: a southern survey. BATCHELOR R.A., CASWELL J.L., GOSS W.M., et al.
1980IUE80......601P 68 T                   1 2 ~ Surface mapping of selected regions in the
Orion Nebula.
1981AJ.....86.1076H 1 6 40 Polarimetry from 1 to 5 mum of compact infrared sources. HECKERT P.A. and ZEILIK II M.
1981ApJ...243..147L 1 8 70 Millimeter-wave absorption features toward the Galactic Center: evidence for a massive nuclear disk. LINKE R.A., STARK A.A. and FRERKING M.A.
1981ApJ...245...99S 7 16 Isotopic species of HCO+ in giant molecular clouds. STARK A.A.
1981ApJ...245..482G 22 42 A study of interstellar carbonyl sulfide. GOLDSMITH P.F. and LINKE R.A.
1981ApJ...245..871J 74 T                   1 1 29 Shock-induced grain alignment in the
Orion Nebula.
1981ApJ...246...86W 11 6 A search for interstellar nitrous oxide. WILSON W.J. and SNYDER L.E.
1981ApJ...248L..35F 1 12 92 Discovery of three X-ray luminous pre-main-sequence stars. FEIGELSON E.D. and KRISS G.A.
1981ApJ...248L.113I 11 53 The increasing chemical complexity of the Taurus dark clouds: detection of CH3CCH and C4H. IRVINE W.M., HOGLUND B., FRIBERG P., et al.
1981Ap.....17..197M 7 0 Photographic colorimetry of stellar flares in the Pleiades and Orion. MIRZOYAN L.V., CHAVUSHIAN H.S., MELIKIAN N.D., et al.
1981S&T....62..414M 69 T                   3 3 The
Orion nebulae in color.
1982A&AS...50..369F 6 0 Radio emission at 1400 MHz from galactic H II regions. FELLI M. and CHURCHWELL E.
1982ApJ...255..541F 70 T                   1 5 29 Ultraviolet absorption by highly ionized atoms in the
Orion Nebula.
1982ApJ...259L.109H 70 T                   1 2 10 Detection of the 33.47 micron line in the
Ori Nebula.
1982ApJ...261L.103E 7 3 116 Detection of bipolar CO outflow in Orion. ERICKSON N.R., GOLDSMITH P.F., SNELL R.L., et al.
1982ApJ...262..153H 10 25 Abundances in five nearby galactic HII regions from infrard forbidden lines. HERTER T., HELFER H.L., PIPHER J.L., et al.
1982ApJ...263..716M 10 6 Search for maser emission by water vapor in the nu2 excited vibrational state. MYERS P.C. and BARRETT A.H.
1982ApJS...49..183B viz 409 398 Catalogue of CO radial velocities toward galactic HII regions. BLITZ L., FICH M. and STARK A.A.
1982Ap&SS..82..161B 69 T                   1 3 5 On the optical counterparts of the X-ray sources in the
Orion Nebula.
1982Ap&SS..86...63H 1 3 21 Organo-siliceous biomolecules and the infrared spectrum of the Trapezium nebula. HOYLE F., WICKRAMASINGHE N.C. and AL-MUFTI S.
1982BITon...3...69P viz 69 T                   1 541 46 Catalog of H-alpha emission stars in the region of the
Orion nebula.
1982BICDS..22...70M 51 0 Analysis of UBV data in open clusters. MERMILLIOD J.C.
1982IBVS.2076....1S 69 T                   1 4 4 Photoelectric photometry of the1
Ori A = V1016 Ori.
1982IUE82.......68B 24 ~ Ultraviolet observations of interstellar dust. BOHLIN R.
1982IUE82......374B 69 T                   1 2 ~ High dispersion observations of selected regions in the
Orion Nebula.
1982IUE82......606P 20 ~ The Orion nebula star cluster. PANEK R.J.
1983A&A...121...19C 3 3 47 The Gum nebula: new photometric and spectrophotometric results. CHANOT A. and SIVAN J.P.
1983A&A...121L..19H 1 2 11 Radiative excitation and the intensities of radio recombination lines. HOANG-BINH D.
1983A&A...126..393H 14 16 Radio searches for additional interstellar molecules. HOLLIS J.M., SUENRAM R.D., LOVAS F.J., et al.
1983A&A...127..383T 12 0 Neon abundances in nearby HII regions. THUM C. and NISHIMURA T.
1983A&A...128..279B 2 13 150 Clumping in molecular clouds. The region between OMC 1 and 2. BATRLA W., WILSON T.L., BASTIEN P., et al.
1983A&AS...51..195H 17 16 Excitation conditions in HII regions. HERTER T., HELFER H.L. and PIPHER J.L.
1983A&AS...54..221M 71 T                   1 2 25 A proper motion membership analysis of the
Orion Nebula region.
1983ApJ...264..141D 17 30 Do the W 44 and W 28 molecular clouds show evidence of a shock ? DENOYER L.K.
1983ApJ...264..152B 1 9 80 Observations of the extinction and excitation of the molecular hydrogen emission in Orion. BECKWITH S., EVANS II N.J., GATLEY I., et al.
1983ApJ...264..538K 5 18 The 157 micron emission from NGC 2024: core and halo components. KURTZ N.T., SMYERS S.D., RUSSELL R.W., et al.
1983ApJ...265L...7S 74 T                   1 1 29 Observations of the 145.5 micron emission line in the
Orion Nebula.
1983ApJ...265..766K 9 7 CO emission in directions of some millimeter wavelength continuum sources. KISLYAKOV A.G. and GORDON M.A.
1983ApJ...265..824B 2 54 623 The high-velocity molecular flows near young stellar objects BALLY J. and LADA C.J.
1983ApJ...266..321P 1 11 68 J=2-1 CO observations of molecular clouds with high-velocity gas: evidence for clumpy outflows. PLAMBECK R.L., SNELL R.L. and LOREN R.B.
1983ApJ...267L..41W 7 3 105 Source of the high-velocity molecular flow in Orion. WRIGHT M.C.H., PLAMBECK R.L., VOGEL S.N., et al.
1983ApJ...267..610K 5 3 76 X-ray ionization and the Orion Molecular Cloud. KROLIK J.H. and KALLMAN T.R.
1983ApJ...268..123S 24 35 An extensive galactic search for conformer II Glycine. SNYDER L.E., HOLLIS J.M., SUENRAM R.D., et al.
1983ApJ...270..583W 17 61 The / abundance ratio in molecular clouds. WOODS R.C., GUDEMAN C.S., DICKMAN R.L., et al.
1983ApJ...271L..85L 6 26 Detection of H 15 NN+ and HN 15N+ in interstellar clouds. LINKE R.A., GUELIN M. and LANGER W.D.
1983ApJ...271L..89J 4 3 68 The distribution of 6 centimeter H2 CO in Orion molecular cloud 1. JOHNSTON K.J., PALMER P., WILSON T.L., et al.
1983ApJ...271..170H 14 15 Comparison of C+ distributions with new interstellar sources of HCO emission. HOLLIS J.M. and CHURCHWELL E.
1983ApJ...271..618L 1 6 30 A far-infrared study of the N/O abundance ratio in galactic HII regions. LESTER D.F., DINERSTEIN H.L., WERNER M.W., et al.
1983ApJ...272L..49S 1 5 38 X-ray emission from pre-main-sequence stars, molecular clouds and star formation. SILK J. and NORMAN C.
1983ApJ...274..822S 6 7 234 The birthline for low-mass stars. STAHLER S.W.
1983ApJ...275..175Z 5 4 A search for 2Pi, N=1, J=3/2 Lambda-doubling transitions of CH. ZIURYS L.M., HENKEL C. and SAYKALLY R.J.
1983ApJ...275..201S 5 6 176 The circumstellar and nebular environment of the Becklin-Neugebauer object : lambda=2-5 micron spectroscopy. SCOVILLE N., KLEINMANN S.G., HALL D.N.B., et al.
1983MNRAS.202..265P 9 2 A search for the J = 1 ⟶ 0 transition of l4CO. PHILLIPS J.P. and WHITE G.J.
1983MNRAS.202..859F 72 T                   1 1 18 Observations of
M42 in the O III 52 and 88 mu m lines, the O I 63 mu m line and the N III 57 mu m line.
1983MNRAS.203..661W 13 1 Observations of the 3 1,3 - 2 0,2 transition of SO 2. WHITE G.J. and PHILLIPS J.P.
1983MNRAS.204...53S 1 90 771 The galactic abundance gradient. SHAVER P.A., McGEE R.X., NEWTON L.M., et al.
1983MNRAS.205..389W 6 12 Is emission line strength a predictor of youth for Orion population stars ? WEAVER W.B.
1983PASP...95R.591K 69 T                   1 1 0 Visual studies of the
Orion Nebula.
1983Afz....19..559L 4 0 Shell-like HII zone. LOGVINENKO E.L. and SHCHEKINOV Yu.A.
1983Afz....19..725M 30 12 Photographic colorimetry of stellar flares in the Pleiades and Orion aggregates. II. MIRZOYAN L.V., CHAVUSHIAN H.S., MELIKIAN N.D., et al.
1983ATsir1252....3D 69 T                   1 1 0 The observations of the nebula
M 42 with the interference filters.
1983ATsir1301....1G 69 T                   1 1 0 Spectrophotometric studies of galactic nebulae. XX. Electron density Ne(SII) and NE(CIIII) in central part of the Orion nebula (
NGC 1976).
1983Ap&SS..91..381C 69 T                   1 7 8 The volumes of He+ and H+ in HII regions : the
Orion nebula.
1983BAAS...15..922R 4 ~ The extent of 157.7 micron emission in the Galactic Center. RUSSELL R.W., ROSSANO G.S., RICE C.J., et al.
1983BAAS...15Z.990E 3 ~ Long range propagating star formation. ELMEGREEN B.G.
1983MmSAI..54..529P 12 0 HII regions. PATRIARCHI P. and PERINOTTO M.
1983MitAG..60..407H 3 0 High density gas in Orion-KL. HERMSEN W., BIEGING J., WILSON T.L., et al.
1983RMxAA...7..183H 7 6 Post-T Tauri stars in galactic clusters. HARO G.
1983SSRv...36..173C 1 10 66 Gamma rays from active regions in the galaxy: the possible contribution of stellar winds. CESARSKY C.J. and MONTMERLE T.
1984A&A...130..311A 1 6 49 Methyl acetylene as a temperature probe in molecular clouds. ASKNE J., HOGLUND B., HJALMARSON A., et al.
1984A&A...131...45G 49 41 Rotationally excited OH : emission and absorption toward HII/OH regions. GUILLOTEAU S., BAUDRY A., WALMSLEY C.M., et al.
1984A&A...134L...7W 12 50 Detection of a new type of methanol maser. WILSON T.L., WALMSLEY C.M., SNYDER L.E., et al.
1984A&A...134L..11W 12 26 Detection of interstellar methyldiacetylene (CH3C4H) in dark dust cloud TMC1. WALMSLEY C.M., JEWELL P.R., SNYDER L.E., et al.
1984A&A...134...36O 1 5 38 Deuterated water in Orion-KL and W 51 M. OLOFSSON H.
1984A&A...135L..11M 69 T                   1 1 3 Detection of H2 emission at 1.064 Mu m in the
Orion Nebula.
1984A&A...135..116S 73 T                   1 1 24 Stark broadening in radio recombination lines towards the
Orion nebula.
1984A&A...136L..17G 1 4 20 Detection of 13 CN in three galactic sources. GERIN M., COMBES F., ENCRENAZ P., et al.
1984A&A...136..243A 3 14 Temperatures in the Orion molecular cloud as estimated from methyl cyanide observations. ANDERSSON M., ASKNE J. and HJALMARSON A.
1984A&A...136..282M 5 15 G 35.2 -0.74: A molecular cloud with bipolar and monopolar outflow ? MATTHEWS N., LITTLE L.T., NYMAN L.-A., et al.
1984A&A...137...85F 6 14 Winds from low-mass stars. Self-regulated star formation in Taurus, Ophiuchus, NGC 2264 and Orion. FRANCO J.
1984A&A...137..211K 2 4 57 Measurement of the formaldehyde ortho to para ratio in three molecular clouds. KAHANE C., FRERKING M.A., LANGER W.D., et al.
1984A&A...137..245G 69 T                   1 2 7 Large-scale motions within the Orion Nebula (
M 42).
1984A&A...139...30G 8 7 Internal reddening of H II-regions and HH-objects, with special reference to NGC 896(W3). GOMEZ GARRIDO P. and MUNCH G.
1984ApJ...276..266A 99 16 The nature of the visual companions of Ap and Am stars. ABT H.A. and CARDONA O.
1984ApJ...277..581L 1 29 221 Carbon and oxygen isotope fractionation in dense interstellar clouds. LANGER W.D., GRAEDEL T.E., FRERKING M.A., et al.
1984ApJ...279..358B 2 2 28 The polarization of the SiO masers in Orion : maser emission from a rotating expanding disk ? BARVAINIS R.
1984ApJ...280..154T 2 5 61 NGC 2024 : Far-infrared and radio molecular observations. THRONSON H.A.Jr, LADA C.J., SCHWARTZ P.R., et al.
1984ApJ...280..163C 9 19 The sub-arc second structure of IRc2 at 5 microns. CHELLI A., PERRIER C. and LENA P.
1984ApJ...280..170S 11 14 He I lambda 10830 line strengths in planetary nebulae. SCRIMGER J.N.
1984ApJ...280..608J 22 30 HNCO in molecular clouds. JACKSON J.M., ARMSTRONG J.T. and BARRETT A.H.
1984ApJ...280..629R 1 9 71 The 8.7 GHz hyperfine line of 3 He+ in galactic HII regions. ROOD R.T., BANIA T.M. and WILSON T.L.
1984ApJ...281..205B 4 11 The structure of high-velocity gas in Orion and the possible role of IRc9. BECK S.C.
1984ApJ...281..644H 4 19 The unusual nickel/iron abundance ratio in the Crab nebula filaments. HENRY R.B.C.
1984ApJ...282L..77O 4 16 High spatial resolution observations of Orion bright bar: CS(J=1-0) and H51 alpha emission. OMODAKA T., HAYASHI M. and HASEGAWA T.
1984ApJ...282L..81W 2 3 39 Detection of shocked atomic gas in the Kleinmann-Low nebula. WERNER M.W., CRAWFORD M.K., GENZEL R., et al.
1984ApJ...282L..85J 2 2 26 The v=0 0 spectrum of H2. JENNINGS D.E., BRAGG S.L. and BRAULT J.W.
1984ApJ...283L..41S 5 2 59 On the interpretation of the broad-band millimeter-wave flux from Orion. SUTTON E.C., BLAKE G.A., MASSON C.R., et al.
1984ApJ...283..601O 87 111 A far-infrared survey of the Galactic Center. ODENWALD S.F. and FAZIO G.G.
1984ApJ...284L..51H 83 T                   1 1 71 Detection of submillimeter polarization in the
Orion nebula.
1984ApJ...284..135T 10 17 A search for high-velocity carbon monosulfide emission in star-formimg regions. THRONSON H.A.Jr and LADA C.J.
1984ApJ...287L..91H 3 14 The H51 alpha emission associated with the shocked gas in Orion-KL. HASEGAWA T. and AKABANE K.
1984ApJ...287..116K 2 30 355 Structural properties of giant H II regions in nearby galaxies. KENNICUTT R.C.
1984ApJ...287..653R 6 21 Line emission from H II blister models. RUBIN R.H.
1984MNRAS.206..465H 69 T                   1 92 21 The distribution and nature of the 2 mu-m radiation of the inner
Orion Nebula.
1984MNRAS.207..241A 71 T                   1 8 88 Discovery of a family of Herbig-Haro objects in
M 42 : implications for the geometry of the high velocity molecular flow ?
1984MNRAS.208..751A 29 43 A study of the unidentified dust emission features near 10 mmuD AITKEN D.K. and ROCHE P.F.
1984MNRAS.210...23G 99 35 Observations of the 14.5-GHz transition of interstellar H2CO towards continuum sources and dark clouds. GARDNER F.F. and WHITEOAK J.B.
1984ATsir1320....1D 2 0 Observation of the S II doublet lambda 6717, 6731A in Orionnebula. DZHAKUSHEVA K.G.
1984Ap&SS.107..271V 19 10 Neutral hydrogen in the vicinity of galactic radio sources. I. HI envelopes around HII regions. VENGER A.P., GOSACHINSKIJ I.V., GRACHEV V.G., et al.
1984Ap&SS.107..289G 16 4 Neutral hydrogen in the vicinity of galactic radio sources. GOSACHINSKIJ I.V. and KHERSONSKIJ V.K.
1984BICDS..26....9M viz 862 3 Bibliography of individual radial velocities for stars in open cluster. II. NGC and IC clusters. MERMILLIOD J.C.
1984BAAS...16..464H 69 T                   1 1 0 Fabry-Perot images of H-alpha emission from the
Orion nebula.
1984BAAS...16..521R 69 T                   1 1 0 A blister model for the
Orion nebula.
1984BAAS...16..972J 69 T                   1 1 0 Proper motions of Herbig-Haro objects in the
Orion nebula.
1984ComAp..10...47G 5 16 When clusters are superclusters ? GELLER M.J.
1984ComAp..10...65H 2 1 Submillimeter astronomy and the problem of star formation. HARWIT M.
1984IAUC.3924....0H 69 T                   1 3 ~ Two variables in the
Orion Nebula.
1984IAUC.3935....0H 69 T                   1 3 ~ Two variables in the
Orion nebula.
1984Msngr..37...30Y 7 1 Line profile shapes in optical HII regions. YORKE H.W.
1984MitAG..62...29D 4 0 Galactic far infrared astronomy. DRAPATZ S.
1984MitAG..62..299H 69 T                   2 ~ H2 emission bei 1.064 mu.m im Orion Nebel. HIPPELEIN H., MUNCH G. and PITZ E.
1984MitAG..62..302H 69 T                   1 1 0 Die kinematik optischer emissionslinien im Orion Nebel (
M 42).
1984Natur.311..236T 70 T                   1 7 51 Molecular hydrogen jets from the
Orion nebula.
1984NewSc.101...12L 3 1 How astronomers watch the birth of stars. LITTLE L.
1984Obs...104..124G 3 0 CO J = 4-3 observations of Orion and M 17. GILLESPIE A.R.
1984ORROE..12...70G 2 0 The 3 micron ice band. GREENBERG M.J. and VAN DE BULT C.E.P.M.
1984PAZh...10..199M 3 1 Rotation measure of the H2O maser outburst region in Orion KL. MATVEENKO L.I.
1984PAZh...10..345R 3 2 Investigations of the Orion KL H2O maser outburst. ROMANOV A.M. and MATVEENKO L.I.
1984Sci...224...14N 10 39 Early results from the Infrared Astronomical Satellite. NEUGEBAUER G., BEICHMAN C.A., SOIFER B.T., et al.
1984Sci...224..345P 9 6 Interstellar matter and chemical evolution. PEIMBERT M., SERRANO A. and TORRES-PEIMBERT S.
1985A&A...142L...9B 31 28 First spectroscopic observations with the 14-m radio telescope at the Centro Astronomico de Yebes : SiO masers in evolved stars. BARCIA A., BUJARRABAL V., GOMEZ-GONZALEZ J., et al.
1985A&A...143...35P 70 T                   1 1 7 Properties of dust in the
Orion nebula.
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...147L..19W 33 42 The discovery of a new masering transition of interstellar methanol. WILSON T.L., WALMSLEY C.M., MENTEN K.M., et al.
1985AJ.....90.1320J 71 T                   1 4 40 Proper motions of Herbig-Haro objects. VI. The
M 42 HH objects.
1985ApJ...288..694B 1 9 42 A multitransitional study of linear polarization in SiO maser emission. BARVAINIS R. and PREDMORE C.R.
1985ApJ...290..637R 16 40 CO J = 3-2 observations of molecular line sources having high-velocity wings. RICHARDSON K.J., WHITE G.J., AVERY L.W., et al.
1985ApJ...291..178L 2 4 38 Upper limits on the O2/CO ratio in two dense interstellar clouds. LISZT H.S. and VANDEN BOUT P.A.
1985ApJ...291..722T 58 5 1163 Photodissociation regions. I. Basic model. TIELENS A.G.G.M. and HOLLENBACH D.
1985ApJ...291..755C 3 19 237 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...294L..49T 5 4 94 Astronomical identification of the C3 H radical. THADDEUS P., GOTTLIEB C.A., HJALMARSON A., et al.
1985ApJ...295..183J 48 20 The detection of rotationally excited OH emission toward the probable young planetary nebula Vy 2-2. JEWELL P.R., SCHENEWERK M.S. and SNYDER L.E.
1985ApJ...296..142V 73 T                   1 1 18 Submillimeter observations of OH and CH in
M 42.
1985ApJ...296..149V 4 15 Observation of far-infrared transitions between excited states of OH. VISCUSO P.J., STACEY G.J., HARWIT M., et al.
1985ApJ...296..218S 13 4 A search for the interstellar HCN dimer. SCHENEWERK M.S., JEWELL P.R., SNYDER L.E., et al.
1985ApJ...296..600V 3 3 47 Differential rotation near the Orion-Kleinmann-Low region: aperture synthesis observations of HCN emission. VOGEL S.N., BIEGING J.H., PLAMBECK R.L., et al.
1985ApJ...297L..11W 3 3 38 Continuum emission at 3.4 millimeters from Orion-KL. WRIGHT M.C.H. and VOGEL S.N.
1985ApJ...297..302B 1 9 37 Tricarbon monoxide in TMC-1. BROWN R.D., GODFREY P.D., CRAGG D.M., et al.
1985ApJ...297..766G 8 4 138 The neutral-gas disk around the Galactic Center. GENZEL R., WATSON D.M., CRAWFORD M.K., et al.
1985ApJ...298..360S 15 13 Observations of several new transitions of interstellar HCO. SNYDER L.E., SCHENEWERK M.S. and HOLLIS J.M.
1985ApJ...299L..63T 7 6 185 Laboratory and astronomical identification of cyclopropenylidene, C3H2. THADDEUS P., VRTILEK J.M. and GOTTLIEB C.A.
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.
1985ApJ...299..405G 16 21 Further studies of vibrationally excited cyanoacetylene near Orion IRc2 and other sources. GOLDSMITH P.F., KROTKOV R. and SNELL R.L.
1985ApJ...299..925M 2 8 86 Masses and energetics of high-velocity molecular outflows. MARGULIS M. and LADA C.J.
1985ApJ...299..947L 2 3 24 High-excitation lines of deuterated formaldehyde (HDCO) in the Ori molecular cloud. LOREN R.B. and WOOTTEN A.
1985ApJS...57..571O 16 8 Determination of nebular density and temperature from radio recombination lines. ODEGARD N.
1985ApJS...59..513A 106 364 Spectra and linear polarizations of extragalactic variable sources at centimeter wavelengths. ALLER H.D., ALLER M.F., LATIMER G.E., et al.
1985MNRAS.214..251P 1 3 14 CS5-4 observations of OMC1 : evidence for external heating of the quiescent gas. PADMAN R., SCOTT P.F., VIZARD D.R., et al.
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..267L 2 72 730 Cold outflows, energetic winds, and enigmatic jets around young stellar objects. LADA C.J.
1985Aster..89...13T 15 0 La constel-lacio de Tauro. TORRENTS S.
1985Afz....22...87P 69 T                   1 31 0 Flare and H alpha in emission stars in the region of
Orion nebula.
1985AZh....62..160B 8 1 On the arrangement of the time service at the Crimea-Pushchino radio interferometer. BLINOV N.S., ZHAROV V.E., KOGAN L.R., et al.
1985AZh....62.1024Z 4 0 The determination of the baseline of the Simeiz-Pushchino interferometer. ZHAROV V.E., KOGAN L.R. and FEDOSEEV E.N.
1985AN....306...45S 178 11 Investigation of the initial mass spectrum of open star clusters. STECKLUM B.
1985Ast....13h...6P 69 T                   1 1 0 Probing the
Orion Nebula with the IUE.
1985BAAS...17..570V 69 T                   1 1 1 Far-infrared observations of OH and CO in the
Orion nebula.
1985BAAS...17..891C 69 T                   1 1 2 The fine velocity structure at the center of the
Orion Nebula.
1985BAICz..36..261P 4 6 Kinematics of B and A stars. 2. Large velocity field derived from proper motions and radial velocities. PALOUS J.
1985IBVS.2746....1C 3 3 A fluor-like new variable star in Orion. CHAVIRA E., PEIMBERT M. and HARO G.
1985IzKry..73..131K 5 1 Distribution of the UV Cet-type stars flares in open clusters and in the solar vicinity over optical radiation energies. KOROTIN S.A. and KRASNOBABTSEV V.I.
1985JApA....6..177A 61 30 A survey of radio recombination line emission from the galactic plane at 325 MHz. ANANTHARAMAIAH K.R.
1985MitAG..63...65M 2 7 Internal dust in HII-regions. MUNCH G.
1985MitAG..63..116E 5 3 Das Kolner 3-M Radioteleskop : II. Die Spektrometer. EWALD R., WINNEWISSER G. and ZENSEN W.
1985MitAG..63..139H 69 T                   1 5 0 Die kinematik der HII-Regionen M 8 und
M 42.
1985MitAG..63..215G 13 8 Far-infrared and submillimeter astronomical spectroscopy. GENZEL R. and STACEY G.J.
1985MitVS..10..145R 69 T                   13 0 Zur Variabilitat einiger heisser Sterne in Orion Nebel. ROSSIGER S.
1985PZ.....22..161K 69 T                   1 9 1 On the constancy of brightness of eight variable stars in large
Orion Nebula.
1985PAZh...11..599B 4 0 A search for interstellar glycine. BERULIS I.I., WINNEWISSER G., KRASNOV V.V., et al.
1985S&W....24..100C 16 0 Photographie extrem schwacher HII-Regionen. Teil 2. CELNIK W.E. and RIEPE P.
1986A&A...155..397P 1 5 25 Abundances in the planetary nebula NGC 6153. POTTASCH S.R., DENNEFELD M. and MO J.-E.
1986A&A...157..318M 42 107 The centimeter transitions of E-type methanol. MENTEN K.M., WALMSLEY C.M., HENKEL C., et al.
1986A&A...158...45M 31 101 Evolution of massive stars: comparison of cluster sequences and models with mass loss. MERMILLIOD J.-C. and MAEDER A.
1986A&A...158...67N 71 T                   1 10 71 A long-term study of SiO (v=1, J=2-1) maser emission from evolved stars and
Orion A.
1986A&A...161..329M 12 1 A search for rotationally-excited CH in galactic sources. MATTHEWS H.E., BELL M.B., SEARS T.J., et al.
1986A&A...162..253W 1 3 12 A submillimetre wavelength spectral line search of the Orion molecular cloud core. WHITE G.J., MONTEIRO T.S., RICHARDSON K.J., et al.
1986A&A...163..177M 19 22 Observations of the 2pi3/2, J=7/2 transition of OH toward compact HIIregions. MATTHEWS H.E., BAUDRY A., GUILLOTEAU S., et al.
1986A&A...164..358M 70 T                   3 13 25 An extended, high speed, ionized flow in the vicinity of a Herbig-Haro-like knot (
M42-HH2) in the core of the
Orion nebula (
NGC 1976).
1986A&A...166..276T 21 15 The second molecular cloud core in L 1641. TAKABA H., FUKUI Y., FUJIMOTO Y., et al.
1986A&A...167L..17W 3 2 29 The high velocity CO outflow in Orion. WILSON T.L., SERABYN E. and HENKEL C.
1986A&A...167..151W 12 23 Observations of highly excited OH towards galactic HII regions. WALMSLEY C.M., BAUDRY A., GUILLOTEAU S., et al.
1986A&A...167..311A 1 3 19 The time behaviour of the 8 kms-1 water maser source in Orion. ABRAHAM Z., VILAS BOAS J.W.S. and DEL CIAMPO L.F.
1986A&A...169..281C 106 137 13CO and 12CO observations of cold IRAS unidentified point sources in the galaxy. CASOLI F., DUPRAZ C., GERIN M., et al.
1986AJ.....91.1350T 1 7 37 The Orion star-forming region : far-infrared and radio molecular observations. THRONSON H.A.Jr, HARPER D.A., BALLY J., et al.
1986ApJ...300L..79M 2 6 60 New interstellar masers in nonmetastable ammonia. MADDEN S.C., IRVINE W.M., MATTHEWS H.E., et al.
1986ApJ...303..375M 161 305 The large system of molecular clouds in Orion and Monoceros. MADDALENA R.J., MORRIS M., MOSCOWITZ J., et al.
1986ApJ...303..659S 13 10 Rotation measures of extragalactic radio sources viewed through the molecular clouds Cepheus A and L 1551. SIMONETTI J.H. and CORDES J.M.
1986ApJ...303..667S 2 2 19 13-CO in Orion. SUGITANI K., FUKUI Y., OGAWA H., et al.
1986ApJ...305..353M 9 27 The structure of the W 49A molecular cloud complex: burst of star formation in the 100000-solar-mass core. MIYAWAKI R., HAYASHI M. and HASEGAWA T.
1986ApJ...305..817H 7 3 92 A physical model for the 2175 A interstellar extinction feature. HECHT J.H.
1986ApJ...307..609H 70 T                   1 73 144 The Trapezium cluster of the
Orion nebula.
1986ApJ...307..787T 51 60 Ammonia observations of regions with molecular outflows. TORRELLES J.M., HO P.T.P., MORAN J.M., et al.
1986ApJ...308..270D 71 T                   1 8 39 Submillimeter polarization in the
Orion nebula.
1986ApJ...308..288G 18 25 Filled-aperture maps of selected HII regions at 3.5 millimeters. GORDON M.A., JEWELL P.R., KAFTAN-KASSIM M.A., et al.
1986ApJ...309L..13H 5 7 Detection of silicon in the Galactic Center. HERTER T., HOUCK J.R., GRAF P., et al.
1986ApJ...310L..77S 4 7 138 High-mass star formation due to cloud-cloud collision. SCOVILLE N.Z., SANDERS D.B. and CLEMENS D.P.
1986ApJ...310..820L 16 54 Shocked molecular hydrogen and jets in star-forming clouds. II. LANE A.P. and BALLY J.
1986ApJ...311L..85F 1 23 140 Discovery of seven bipolar outflows by an unbiased survey. FUKUI Y., SUGITANI K., TAKABA H., et al.
1986ApJ...311..895S 75 T                   1 2 43 The ionization structure of the
Orion nebula : infrared line observations and models.
1986ApJ...311..921S 3 2 31 Excitation of methyl cyanide in the hot core of Orion. SUTTON E.C., BLAKE G.A., GENZEL R., et al.
1986ApJS...60..357B 86 T                   1 2 132 The rotational emission-line spectrum of
Orion A between 247 and 263 GHz.
1986ApJS...60..695C 6 3 72 The columbia CO survey of molecular clouds in the first galactic quadrant. COHEN R.S., DAME T.M. and THADDEUS P.
1986MNRAS.220..453W 7 12 The properties of the nuclei of the two hot spot galaxies NGC 1097 and 2997. WALSH J.R., NANDY K., THOMPSON G.I., et al.
1986MNRAS.220..745M 22 23 The discovery of high-speed ionized knots in the HII regions M 16 (NGC 6611) and the Rosette nebula (NGC 2237-2246). MEABURN J. and WALSH J.R.
1986MNRAS.221..155T 73 T                   1 2 28 The Herbig-Haro like objects in
M 42.
TAYLOR K., DYSON J.E., AXON D.J., et al.
1986MNRAS.222..787M 231 29 A search for QSOs in the fields of nearby galaxies - II. NGC 55, 253, 300 and 5364. MONK A.S., PENSTON M.V., PETTINI M., et al.
1986MNRAS.223..405B 1 4 19 Galactochemistry - I. Influence of initial conditions on predicted abundances. BROWN R.D. and RICE E.H.N.
1986PASP...98..629D 9 8 Markarian 490: a high-ionization starburst galaxy. DE ROBERTIS M.M. and OSTERBROCK D.E.
1986PASP...98..984K 8 24 VI. The primordial helium abundance determination from metal-poor galaxies. KUNTH D.
1986PASP...98.1025D 13 27 XVII. Abundances in dwarf irregular galaxies. DUFOUR R.J.
1986PASP...98R1109W 2 0 Spectral sensitivities for astronomical applications of the dye-transfer process. WETHERILL C.L.
1986Aster..96....9C 7 0 El cataleg Messier. CASTELLOTE V.
1986AZh....63..734S 15 2 Evaluation of luminosities of OB-stars from photometry in the UVby beta-system. SHULOV O.S.
1986AZh....63.1016P 6 0 Observations of diffuse and planetary nebulae with the "astron" astrophysical station. PRONIK V.I. and PETROV P.P.
1986AN....307..119H 15 4 Mass loss from very young massive stars. HENNING T.
1986Ap&SS.125..127G 5 4 Flares on opposite sides of the star : observational aspects. GURZADYAN G.A.
1986BICDS..31..137O 38 0 Some aspects of the bibliography of astronomical objects. OCHSENBEIN F. and DUBOIS P.
1986BICDS..31..175M 308 18 Catalogue of UBV photometry and MK spectral types in open clusters (Third edition). MERMILLIOD J.C.
1986BAAS...18..921R 70 T                   1 1 0 A two-dimensional model for the ionized gas in the
Orion nebula.
1986BAAS...18Z.931B 70 T                   1 2 ~ Detection of the 2 20 — 2 21 transition of HDO in
Orion A : evidence for dense clumped gas in the hot core and spike.
1986BAAS...18.1008E 4 0 Measurement of the 63 mum ( O I) line profile in M 82. ERICKSON E.F., DUFFY P.B., HAAS M.R., et al.
1986BAAS...18.1026H 4 0 Detection of v=0, J=1-0 silicon monoxide absorption in Sgr B2 and observations of silicon monoxide at 43.423 GHz in HII regions. HASCHICK A.D. and HO P.T.P.
1986CoKon..86..427N 4 0 Flare stars' count in Orion. NATSVLISHVILI R.S.
1986CoKon..86..429T 6 0 Search for flare stars with the ESO GPO astrograph in La Silla. TSVETKOV M.K., SEITTER W.C. and DUERBECK H.
1986CoKon..86..431T 70 T                   1 2 0 Photographic photometry of new flare stars in the
Orion nebula.
1986CoKon..86..439G 4 0 Space distribution of the H-alpha and flare stars in the Orion OB1d association. GASPARIAN K.G.
1986Icar...65..152V 100 4 A search for the tritium hyperfine line from nearby stars. VALDES F. and FREITAS R.A.Jr
1986JBAA...96...84L 12 0 Visual spectroscopy. LIVESEY R.J.
1986MitAG..67..358H 2 0 Die Linien der 2-0 vibrationsbande des Molekularen Wasserstoffs im Orion-Nebel. HIPPELEIN H.H. and MUNCH G.
1986PASJ...38..121K 9 5 187 Thermal X-ray emission with intense 6.7-keV iron line from the galactic ridge. KOYAMA K., MAKISHIMA K., TANAKA Y., et al.
1986PASJ...38..723A 71 T                   1 3 12 Detection of hig-temperature plasma in the
Orion nebula : an intense 6.7-KeV iron X-ray emission line in its spectrum.
1986Sci...231..807R 4 15 Infrared astronomy after IRAS. RIEKE G.H., WERNER M.W., THOMPSON R.I., et al.
1986Sci...232..185B 11 5 Interstellar molecular clouds. BALLY J.
1986SciAm.254b..90H 3 ~ William Herschel and the making of modern astronomy. HOSKIN M.
1986NIA86......415M 33 ~ Blue straggler stars in the ultraviolet. MORALES DURAN C. and GRAZIATI L.S.
1987A&A...172..311W 7 3 93 Deuterated ammonia in the Orion hot core. WALMSLEY C.M., HERMSEN W., HENKEL C., et al.
1987A&A...176..338H 7 8 The kinematics of H II regions. I. The velocity field of the Lagoon nebula (M 8). HANEL A.
1987A&A...176..347H 70 T                   1 3 9 The kinematics of H II regions. II. The large-scale velocity field of
M 42/43 and NGC 1977.
1987A&A...181..119C 1 9 47 Magnetic field strengths in molecular clouds. CRUTCHER R.M., KAZES I. and TROLAND T.H.
1987A&A...181..265T 4 10 High-dispersion spectroscopy of the clumpy irregular galaxies Markarian 297 and 325. TANIGUCHI Y. and TAMURA S.
1987A&A...186..322L 70 T                   1 6 11 Continuum versus line polarization at the center of the
Orion nebula.
1987A&AS...68....1B 523 40 The velocity field of the outer Galaxy in the southern hemisphere. II. CO observations of galactic nebulae. BRAND J., BLITZ L., WOUTERLOOT J.G.A., et al.
1987AJ.....93..168B 1 3 12 Upper limits on the polarization of ammonia emission in OMC 1. BARVAINIS R. and WOOTTEN A.
1987AJ.....94..644S 17 27 The initial mass function for early-type stars in starburst galaxies. SEKIGUCHI K. and ANDERSON K.S.
1987ApJ...312L..45B 6 14 367 Filamentary structure in the Orion molecular cloud. BALLY J., LANGER W.D., STARK A.A., et al.
1987ApJ...314..363T 15 8 A search for interstellar neutral sodium at 17 centimeter wavelength. TURNER B.E.
1987ApJ...314..535G 71 T                   1 25 161 Compact continuum radio sources in the
Orion nebula.
1987ApJ...315L..55C 74 T                   1 1 19 Fine-scale motion in the central
Orion nebula.
1987ApJ...316..258G 71 T                   1 5 39 The continuum spectra of dust complexes associated with W3 main,
M42, W49A, and W51A.
1987ApJ...317..926H 1 14 73 The 12C/13C isotope ratio of the interstellar medium in the neighborhood of the sun. HAWKINS I. and JURA M.
1987ApJ...320..573L 18 70 Far-infrared measurements of N/O in H II regions : evidence for enhanced CN process nucleosynthesis in the inner galaxy. LESTER D.F., DINERSTEIN H.L., WERNER M.W., et al.
1987ApJ...321L.145V 1 8 39 Giant molecular clouds in M 31. VOGEL S.N., BOULANGER F. and BALL R.
1987ApJ...321..516C 71 T                   1 25 196 Solar system-sized condensations in the
Orion nebula.
1987ApJ...322L..67H 1 6 34 Hot gas in the nucleus of IC 342: detection of J = 3-2 CO emission. HO P.T.P., TURNER J.L. and MARTIN R.N.
1987ApJ...322..275M 3 3 41 Radio recombination lines from fast shocks in molecular clouds, with application to bipolar flows. McKEE C.F. and HOLLENBACH D.J.
1987ApJ...322..706D viz 5 36 817 A composite CO survey of the entire Milky Way. DAME T.M., UNGERECHTS H., COHEN R.S., et al.
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.228..483S 17 34 Study of interstellar extinction in some young open clusters. SAGAR R.
1987PASP...99.1022T 7 0 A liquid-helium-cooled far-infrared grating spectrometer for a balloon-borne infrared telescope. TAKAMI H., MAIHARA T., MIZUTANI K., et al.
1987PASP...99.1089G 12 4 A spectroscopic study of the open cluster NGC 2281. GLASPEY J.W.
1987AcASn..28..374Z 14 7 Uncertainties of membership parameters of open clusters. ZHAO J.-L. and HE Y.-P.
1987AISAO..24...85A 53 6 The variability of H2O maser emission at 1.35 cm wavelength. I. Observational data. ABRAMYAN L.E., VENGER A.P., GOSACHINSKIJ I.V., et al.
1987Ap&SS.133...59D 49 0 Hydrodynamic and turbulent motions in the galactic disk. II. DE CASTRO ANDRADE J.R. and QUIROGA R.J.
1987Ap&SS.133..275V 17 11 Molecular cloud edges : CII and SII layers in neutral interfaces near ionised HII regions. VALLEE J.P.
1987Ap&SS.135..237I 13 2 Low-mass stars in the Orion region. ISOBE S.
1987BICDS..33...41M 32 1 Absolute magnitude calibration from H-beta photometry of open star clusters. MERMILLIOD J.C.
1987BAAS...19..717Z 70 T                   1 1 1 The EINSTEIN survey of the young stars in the
Orion nebula.
1987BAAS...19Z.726B 10 ~ Wide-field maping of 13 CO emission from molecular clouds. BALLY J., STARK A.A., WILSON W.D., et al.
1987BAAS...19..952C 2 0 Evaporating protostellar disks around low-mass stars in the core of Orion ? CHURCHWELL E., WOOD D., FELLI M., et al.
1987BAAS...19.1056O 7 0 Turbulence in galactic HII regions. O'DELL C.R. and CASTANEDA H.O.
1987BAAS...19.1093H 4 1 Methanol maser emission in the 4(-1)-3(0) E transition. HASCHICK A.D. and BAAN W.A.
1987BAAS...19.1096W 6 0 Naked T Tauri stars and the low mass pre-main sequence population in Taurus, Ophiuchus and Orion. WALTER F.M., BROWN A., MATHIEU R.D., et al.
1987BAAS...19.1096Y 70 T                   1 2 0 High-resolution radio imaging of the
Orion nebula.
1987JBAA...97..334A 4 0 Deep-sky photography. ARBOUR R.
1987JRASC..81..113G 11 0 The mysterious nebulae, 1610-1924. GINGERICH O.
1987Mercu..16...46B 70 T                   1 0 Object
50 in Orion : the birth of a nebula.
1987Natur.329..613B 2 8 79 Evidence for strong magnetic fields in the inner envelopes of late-type stars. BARVAINIS R., McINTOSH G. and PREDMORE C.R.
1987PASJ...39...57N 1 3 15 CO and HI correlation in superclouds of M 31. NAKANO M., ICHIKAWA T., TANAKA Y.D., et al.
1987PASJ...39..245K 1 3 20 Thin thermal X-ray emission from the rho Ophiuchi dark cloud. KOYAMA K.
1987QJRAS..28..277P 10 6 The distribution of molecular gas in the galaxy. PARKINSON M., RICHARDSON K.M. and WOLFENDALE A.W.
1987RMxAA..14..489G 2 3 28 The Orion radio zoo : pigs, deers and foxes. GARAY G.
1987RMxAA..14..512P 70 T                   1 2 0 Radio observations of M 17 and the
Orion nebula : the He/H ratio.
1987RMxAA..14..513S 6 0 Variabilidade temporal de fontes maser de vapor d'agua associadas as regioes HII. SESTOKAS FILHO B. and SCALISE E.Jr
1987S&W....26..326W 2 0 Astrophysik auf dem Gornergrat. Teil 1. WINNEWISSER G.
1987IAUS..120...77W 5 2 Microwawe spectroscopy of molecular ions in the Laboratory and in Interstellar Space. WOODS R.C.
1987IAUS..120..245I 5 3 The chemistry of cold, dark interstellar clouds. IRVINE W.M.
1988A&A...190...21I 15 33 Molecular hydrogen in HII regions in the Magellanic clouds. ISRAEL F.P. and KOORNNEEF J.
1988A&A...191..313P 17 49 The Cygnus X region. XVII. H 110 alpha and H2 CO line surveys with the 100 m-RT. PIEPENBRINK A. and WENDKER H.J.
1988A&A...197..253W 9 4 CO J=2-1 mapping of NGC 1976. WHITE G.J. and PHILLIPS J.P.
1988A&A...197..261O 1 2 9 Detection of new, high excitation, emission lines of H2 in the 2.0-2.4 mu-m spectrum of the Orion nebula. OLIVA E. and MOORWOOD A.F.M.
1988A&A...199..127R 5 4 The SiN radical in interstellar clouds. ROVERI R.M., ERDELYI MENDES M. and SINGH P.D.
1988A&A...199..312B 45 5 Low spatial resolution observations of C3H2 in HII regions and dark clouds. BROUILLET N., BAUDRY A. and DAIGNE G.
1988A&A...201..100R 11 7 Cosmic ray acceleration in giant molecular clouds. RICHARDSON K.M. and WOLFENDALE A.W.
1988A&A...201..276H 1 5 22 VLA maps of ammonia in Orion-KL : fine-scale structure and geometry. HERMSEN W., WILSON T.L. and BIEGING J.H.
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...206...53M 2 5 44 The extragalactic sky viewed by IRAS. MEURS E.J.A. and HARMON R.T.
1988A&A...206..117Z 3 3 Physical conditions around Orion IRc 2 as probed by various masers. ZENG Q. and LOU G.F.
1988A&AS...74..273M 17 58 A long-term short-spaced monitoring of SiO maser emission. MARTINEZ A., BUJARRABAL V. and ALCOLEA J.
1988A&AS...74..431V 201 17 A working catalogue of Herbig Haro objects. VON HIPPEL T., BELL BURNELL S.J. and WILLIAMS P.M.
1988AJ.....95..516C 1 11 59 An environmental impact study of Orion nebula dust. CARDELLI J.A. and CLAYTON G.C.
1988AJ.....95..794B 2 2 18 A search for radio emission from flare stars in the Pleiades. BASTIAN T.S., DULK G.A. and SLEE O.B.
1988AJ.....95.1744V 72 94 The velocity dispersion of the Orion nebula cluster. I. VAN ALTENA W.F., LEE J.T., LEE J.-F., et al.
1988AJ.....95.1755J 1068 271 Proper motions and variabilities of stars near the Orion Nebula. JONES B.F. and WALKER M.F.
1988AJ.....96.1956M 1 4 22 Parenago 1540 : a pre-main-sequence double-lined spectroscopic binary near the Orion Trapezium. MARSCHALL L.A. and MATHIEU R.D.
1988ApJ...324..538M 3 3 38 The hot core of Orion : 4" maps of HC3N emission. MASSON C.R. and MUNDY L.G.
1988ApJ...325L..47B 2 4 41 Heterodyne spectroscopy of the 158 micron C II line in M 42. BOREIKO R.T., BETZ A.L. and ZMUIDZINAS J.
1988ApJ...325..382M 5 2 45 High-resolution images of the Orion molecular ridge in the CS J = 2-1transition. MUNDY L.G., CORNWELL T.J., MASSON C.R., et al.
1988ApJ...326L..23M 17 ~ Evidence for magnetic and virial equilibrium in molecular clouds. MYERS P.C. and GOODMAN A.A.
1988ApJ...326..376P 9 7 Detection of the 2 20 ⟶ 2 21 transition of HDO in Orion A : evidence for dense clumped gas in the hot core. PETUCHOWSKI S.J. and BENNETT C.L.
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...327..350S 27 40 CO pedestal features from IRAS sources in dark clouds. SCHWARTZ P.R., GEE G. and HUANG Y.-L.
1988ApJ...327..377R 1 18 72 Determination of N/O from far-infrared line observations of galactic HII regions. RUBIN R.H., SIMPSON J.P., ERICKSON E.F., et al.
1988ApJ...328..785S 20 23 HCO emission from H II-molecular cloud interface regions. SCHENEWERK M.S., SNYDER L.E., HOLLIS J.M., et al.
1988ApJ...329..693H 9 22 Ni II emission in gaseous nebulae and Seyfert galaxies. HENRY R.B.C. and FESEN R.A.
1988ApJ...330L.125S 3 2 26 First detection of HCN J = 9-8 (797 GHz) line emission: very high densities in the Orion core. STUTZKI J., GENZEL R., HARRIS A.I., et al.
1988ApJ...330..809R 11 4 179 The distance to the center of the galaxy: H2O maser proper motions in Sagittarius B2 (N). REID M.J., SCHNEPS M.H., MORAN J.M., et al.
1988ApJ...330..817G 18 47 Limits on refractive interstellar scattering toward Sagittarius B2. GWINN C.R., MORAN J.M., REID M.J., et al.
1988ApJ...330..897L 69 144 Molecular outflows and mass loss in pre-main-sequence stars. LEVREAULT R.M.
1988ApJ...330..964B 6 16 433 Diffuse infrared emission from the galaxy. I. Solar neighborhood. BOULANGER F. and PERAULT M.
1988ApJ...331L.127B 1 6 31 Broad-wing molecular lines without internal energy sources. BLITZ L., MAGNANI L. and WANDEL A.
1988ApJ...331..509G 11 38 The continuum spectra of warm cloud complexes associated with radio-bright HII regions. GORDON M.A.
1988ApJ...333..821M 7 7 223 Corrections to virial estimates of molecular cloud masses. MacLAREN I., RICHARDSON K.M. and WOLFENDALE A.W.
1988ApJ...333..826F 2 7 80 On the origin of the Orion and Monoceros molecular cloud complexes. FRANCO J., TENORIO-TAGLE G., BODENHEIMER P., et al.
1988ApJ...334..175M 19 41 Observations of interstellar HOCO+: enhancements toward the galactic center. MINH Y.C., IRVINE W.M. and ZIURYS L.M.
1988ApJ...335L..27K 1 4 18 Evidence for interstellar H2O in the Orion molecular cloud. KNACKE R.F., LARSON H.P. and NOLL K.S.
1988ApJS...67...93C 4 4 64 The velocity structure and turbulence at the center of the Orion nebula. CASTANEDA H.O.
1988MNRAS.231...49C 6 3 Flare stars of the Orion nebula - spectra of an outburst. CARTER B.D., O'MARA B.J. and ROSS J.E.
1988MNRAS.233..791M 14 46 An extended high-speed flow from a compact, ionized knot in the Orion nebula (M 42). MEABURN J.
1988MNRAS.235..161B 3 11 Spectropolarimetry of the molecular hydrogen line emission from OMC-1. BURTON M.G., HOUGH J.H., AXON D.J., et al.
1988MNRAS.235..633V 3 18 250 The chemical composition gradient across M 33. VILCHEZ J.M., PAGEL B.E.J., DIAZ A.I., et al.
1988PASP..100.1505W 3 1 Porper motions of nebular features in the Orion nebula. WALKER M.F. and JONES B.F.
1988Afz....28..540M 8 4 Unusual light curves of stellar flares in Orion. MIRZOYAN L.V., MELIKIAN N.D. and NATSVLISHVILI R.S.
1988Afz....29...32M 3 2 The prognosis of flare activity of stellar aggregates. I. Theoretical part. MNATZAKANIAN M.A. and MIRZOYAN A.L.
1988ApL....26..181W 3 ~ The chemistry of shocks and outflows. WELCH W.J.
1988Ap&SS.141...75S 13 3 Spectral studies of molecules of astrophysical interest. SINGH M.
1988BAAS...20..982V 2 0 HI associated with Orion A. VAN DER WERF P.P. and GOSS W.M.
1988BAAS...20.1032O 3 0 Near-infrared emission-line spectra of the Orion nebula, NGC 4151, and other Seyfert galaxies. OSTERBROCK D.E., SHAW R.A. and VEILLEUX S.
1988BAAS...20.1059G 6 0 J=3-2 carbon monoxide observations and the structure of molecular clouds. GOLDSMITH P.F., TAUBER J.A., SNELL R.L., et al.
1988BAAS...20.1094L 8 0 Physical conditions in molecular outflows. II. LEVREAULT R.M.
1988ComAp..12..287K 20 6 X-ray observations with the Ginga satellite. KOYAMA K.
1988IBVS.3190....1K 4 0 Flare star observations in Orion by the method of photographic stellar tracks. KONSTANTINOVA-ANTOVA R.K.
1988JApA....9..117S 7 1 Kinematical distances to open star clusters. SAGAR R. and BHATT H.C.
1988Msngr..52...39A 12 0 A search for flare stars with the GPO astrograph. ANIOL R., DUERBECK H.W., SEITTER W.C., et al.
1988PhT....41h..38G 4 1 Atomic spectroscopy and astrophysics. GOLDBERG L.
1988PASJ...40..581P 1 6 25 Radio recombination line observations of the Orion nebula and M 17: the He/H ratio. PEIMBERT M., UKITA N. and HASEGAWA T.
1988PPMtO...7..285Z 4 0 On the intense maser emissions concerned with star-forming regions. ZHOU Z.-P.
1988RMxAA..16...45P 10 21 On the supernova remnant S 8 and other gaseous nebulae in IC 1613. PEIMBERT M., BOHIGAS J. and TORRES-PEIMBERT S.
1988S&T....75..254M 8 1 Infrared astronomy's new image. McLEAN I.S.
1988S&T....75..471W 12 0 Europe's astronomy machine. WEST R.M.
1988S&W....27..648H 9 0 Molekularer Wasserstoff im interstellaren Medium. HIPPELEIN H.H.
1989A&A...213..323H 70 T                   1 6 8 Highly excited molecular hydrogen in
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1989A&A...215..113G 70 T                   1 4 14 Extinction towards the
Orion nebula derived from P-gamma/H-delta and SII 1.04 mu-m/4071 A line ratios.
1989A&A...216..315B 3 12 145 The Swedish-ESO submillimeter telescope (SEST). BOOTH R.S., DELGADO G., HAGSTROEM M., et al.
1989A&A...220..249R 1 22 97 Herbig-Haro objects in flows from young stars in Orion. REIPURTH B.
1989A&A...223..321F 4 13 Monitoring of the SiO maser emission in W 51-IRS 2 : evidence for high velocity cloudlets ejected from young stars ? FUENTE A., MARTIN-PINTADO J., ALCOLEA J., et al.
1989A&A...224..206B 13 7 Zeeman splitting in interstellar molecules. BEL N. and LEROY B.
1989A&A...225..167S 12 33 Observations at 90 and 142 GHz of nine extended galactic radio sources. SALTER C.J., EMERSON D.T., STEPPE H., et al.
1989AJ.....97..458O 70 T                   1 2 4 Interferometric observations of
M 42 at 1.3 cm.
1989AJ.....97.1238L 5 9 An algorithm to smooth and find objects in astronomical images. LEA S.M. and KELLAR L.A.
1989AJ.....97.1403M 106 61 A survey of cyclopropenylidene (C3H2) in galactic sources. MADDEN S.C., IRVINE W.M., MATTHEWS H.E., et al.
1989AJ.....97.1427M 77 T                   1 1 28 A proper-motion membership analysis of stars in the vicinity of the
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1989AJ.....98.2203C 1 9 39 Atomic hydrogen in the Orion star-forming region. CHROMEY F.R., ELMEGREEN B.G. and ELMEGREEN D.M.
1989ApJ...336..519S 13 13 1300 micron continuum and C18O line mapping of giant molecular cloud cores. II. W 3, NGC 2264, NGC 6334I, rho Ophiuchi and S 140. SCHWARTZ P.R., SNELL R.L. and SCHLOERB F.P.
1989ApJ...336..832Y 12 26 Infrared reflection nebulae around GL 490 and R Monocerotis : shell structure and possible large dust grains. YAMASHITA T., SATO S., NAGATA T., et al.
1989ApJ...337..141M 14 5 283 Superbubble blowout dynamics. MAC LOW M.-M., McCRAY R. and NORMAN M.L.
1989ApJ...337..318K 1 11 60 Extremely high-velocity molecular flows in young stellar objects. KOO B.-C.
1989ApJ...337..332B 5 19 Heterodyne spectroscopy of the J = 17-16 CO line in Orion. BOREIKO R.T., BETZ A.L. and ZMUIDZINAS J.
1989ApJ...337..408C 10 31 Millimeter continuum observations of a massive protostellar core in Sagittarius B2. CARLSTROM J.E. and VOGEL S.N.
1989ApJ...337..782G 11 17 Millimeter-wave recombination lines from radio-bright HII regions. GORDON M.A.
1989ApJ...338L..57C 5 2 43 Detection of a dozen X-ray-emitting main-sequence B6-A3 stars in Orion. CAILLAULT J.-P. and ZOONEMATKERMANI S.
1989ApJ...339..163V 10 22 Measurements of the 21 centimeter Zeeman effect in high-latitude directions. VERSCHUUR G.L.
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...339..987H 1 16 110 The visibility of the Mach disk and the bow shock of a stellar jet. HARTIGAN P.
1989ApJ...340L..17D 5 3 63 Interacting masers and the extreme brightness of astrophysical water masers. DEGUCHI S. and WATSON W.D.
1989ApJ...340..786E 1 6 44 On the gravitational collapse of decelerating shocked layers in OB associations. ELMEGREEN B.G.
1989ApJ...340.1124G 5 2 40 The abundance of 14N at the cosmic-ray source : a study using new fragmentation cross sections. GUPTA M. and WEBBER W.R.
1989ApJ...341..238V 10 6 Sulfurized molecular cloud edges. VALLEE J.P.
1989ApJ...341..246C 1 33 150 The infrared emission bands. III. Southern IRAS sources. COHEN M., TIELENS A.G.G.M., BREGMAN J., et al.
1989ApJ...341..278G 10 3 131 Spatial variations of the 3 micron emission features within UV-excited nebulae : photochemical evolution of interstellar polycyclic aromatic hydrocarbons. GEBALLE T.R., TIELENS A.G.G.M., ALLAMANDOLA L.J., et al.
1989ApJ...343..201Z 3 11 151 Interstellar SiO as a tracer of high-temperature chemistry. ZIURYS L.M., FRIBERG P. and IRVINE W.M.
1989ApJ...343..779M 14 26 Very high velocity emission from molecular outflows. MARGULIS M. and SNELL R.L.
1989ApJ...343..811S 150 120 Electron densities in planetary nebulae. STANGHELLINI L. and KALER J.B.
1989ApJ...344L..61D 1 7 35 Carbon monoxide (CO) in the Magellanic irregular galaxy NGC 55 and the N(H2)/ W(CO) ratio in irregular galaxies. DETTMAR R.-J. and HEITHAUSEN A.
1989ApJ...344..770W 1 18 96 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...345..186T 2 13 147 Physical conditions of HII regions in M 101 and the pregalactic helium abundance. TORRES-PEIMBERT S., PEIMBERT M. and FIERRO J.
1989ApJ...345..282G 35 131 The abundance of sulfur in extragalactic HII regions. GARNETT D.R.
1989ApJ...345..802N 15 43 Polarization of far-infrared radiation from molecular clouds. NOVAK G., GONATAS D.P., HILDEBRAND R.H., et al.
1989ApJ...345..881J 8 24 Far-infrared emission in the rho Ophiuchi region : a comparison with molecular gas emission and visual extinction. JARRETT T.H., DICKMAN R.L. and HERBST W.
1989ApJ...346L..97B 1 3 12 Heterodyne spectroscopy of the J=22-21 CO line in Orion. BOREIKO R.T. and BETZ A.L.
1989ApJ...346L.101B 2 2 22 Reversed far-infrared line emission from OH in Orion. BETZ A.L. and BOREIKO R.T.
1989ApJ...346..794H 70 T                   1 3 7 A search for methylene in the
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1989ApJ...347..855B 1 4 17 Production of interstellar HCN and HNC. BROWN R.D., BURDEN F.R. and CUNO A.
1989ApJS...69..241L 6 6 147 Ion-molecule chemistry of dense interstellar clouds : nitrogen-oxygen and carbon-bearing molecule abundances and isotopic ratios. LANGER W.D. and GRAEDEL T.E.
1989ApJS...69..897R 4 6 100 The effect of density variations on elemental abundance ratios in gaseous nebulae. RUBIN R.H.
1989ApJS...71..733A 35 7 1005 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.237....1B 111 38 The evolutionary status of young stellar mass loss driving sources as derived from IRAS observations. BERRILLI F., CECCARELLI C., LISEAU R., et al.
1989MNRAS.237.1009B 2 4 40 The velocity profile of the 1-0S(1) line of molecular hydrogen at Peak 1 in Orion. BRAND P.W.J.L., TONER M.P., GEBALLE T.R., et al.
1989MNRAS.237.1057H 2 3 28 Can interstellar H2S be formed via gase-phase reactions? Calculations concerning the rates of the ternary and radiative association reactions between HS+ and H2. HERBST E., DEFREES D.J. and KOCH W.
1989MNRAS.241p..19M 33 ~ Near-infrared observations of NGC 2024 : identification of a 2-mu.m source within a dense core. MOORE T.J.T. and CHANDLER C.J.
1989PASP..101..215N 5 12 A 100-mu.m polarimeter for the Kuiper Airborne Observatory NOVAK G., GONATAS D.P., HILDEBRAND R.H., et al.
1989PASP..101..547F 40 8 On structural patterns in HII regions. FEIBELMAN W.A.
1989PASP..101..573G 16 37 Young stars of low mass in the Gum nebula. GRAHAM J.A. and HEYER M.H.
1989PASP..101..879P 2 0 Orion SiO maser positions: evidence for a circumstellar disk. PLAMBECK R.L., WRIGHT M.C.H., CARLSTROM J.E., et al.
1989ARA&A..27...41G 8 13 422 The Orion molecular cloud and star-forming region. GENZEL R. and STUTZKI J.
1989Afz....30..259S 70 T                   1 8 1 The anomalous extinction in the
Orion nebula : an analysis in the first approximation.
1989Afz....31..259M 4 6 Statistical study of flare stars. IV. Relative number of flare stars in the Orion association, Pleiades cluster and in the solar vicinity. MIRZOYAN L.V., HAMBARIAN V.V., GARIBJANIAN A.T., et al.
1989AZh....66.1154B 70 2 Some properties of open star cluster complexes. BARKHATOVA K.A., OSSIPKOV L.P. and KUTUZOV S.A.
1989AN....310..349K 23 0 Molecules as probes of star-forming regions. (Rewiew). KHERSONSKIJ V.K.
1989Ast....17k..33P 15 0 Unveiling the hidden Milky Way. PALMER S.
1989Ast....17h..40K 3 0 Inside Orion's stellar nursery. KANIPE J.
1989Ast....17g..78H 27 0 The ten best double stars. HARRINGTON P.
1989Ap&SS.157....3E 7 0 Chemical abundances of the WR-ring nebulae NGC 2359 and RCW 78. ESTEBAN C., VILCHEZ J.M., MANCHADO A., et al.
1989Ap&SS.159..189S 1 6 39 The anomalous extinction law. STEENMAN H. and THE P.S.
1989BAAS...21Q.712M 70 T                   1 2 0 Multicolour near infrared imaging of the
Orion nebula and Trapezium cluster.
1989BAAS...21Z.712M 70 T                   1 1 0 Proper motions and internal motions in the
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1989BAAS...21..782H 3 0 Shocked (SiII) (35 mu-m) and (SI)(25 mu-m) emission in Orion. HAAS M.R., HOLLENBACH D.J. and ERICKSON E.F.
1989BAAS...21..793Y 3 3 Detection of synchrotron emission from a unique Herbig Haro object in Orion. YUSEF-ZADEH F., CORNWELL T. and REIPURTH B.
1989BAAS...21.1088T 2 0 The smoothness of CO profiles in Orion. TAUBER J.A., GOLDSMITH P.F. and DICKMAN R.L.
1989BAAS...21Z1090C 6 ~ Atomic hydrogen in the Orion star-forming region. CHROMEY F.R., ELMEGREEN B.G. and ELMEGREEN D.M.
1989BAAS...21.1103F 4 2 Direct VLBI investigations of compact nonthermal emission from 3 T Tauri stars. FEIGELSON E.D., LONSDALE C.J. and PHILLIPS R.B.
1989BAAS...21Q1124W 2 0 Spectra of PAH molecules at elevated temperature and the UIR bands. WDOWIAK T.J., FLICKINGER G.C. and BOYD D.A.
1989BAAS...21.1141O 70 T                   2 1 0 High-dispersion CCD spectra of
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1989BAAS...21.1180S 3 0 158 mu-m CII mapping of the Orion molecular cloud. STACEY G.J., TOWNES C.H., GEIS N., et al.
1989BAAS...21.1182L 2 0 Galactic twelve to thirteen carbon isotope ratio from 13C 18O observations in molecular clouds. LANGER V.D. and PENZIAS A.A.
1989C&E...240...22B 3 0 L'astronomie infrarouge. BRESSAN P.
1989GriO...53k...2R 4 0 The earl and the Leviathan. RYDEN B.
1989MmSAI..60..263G 22 19 Time scales and energy of flares on red dwarf stars (a review). GERSHBERG R.E.
1989Msngr..55...32R 11 7 Signposts of low mass star formation in molecular clouds. REIPURTH B. and MADSEN C.
1989Msngr..57...56G 4 1 CCD spectroscopy of P gamma (10939), P delta (10049) and corresponding Balmer lines in 30 Doradus. GREVE A., McKEITH C.D. and CASTLES J.
1989PAZh...15..667M 12 0 Submillimeter photometry at Pamirs. MASLOW I.A., SOGLASNOVA V.A., SHOLOMITSKIJ G.B., et al.
1989PASAu...8...68C 2 4 The chromospheres of pre-main sequence flare stars. CARTER B.D.
1989PASJ...41..155W viz 244 62 Survey observations of emission-line stars in the Orion region. I. The Kiso area A-0904. WIRAMIHARDJA S.D., KOGURE T., YOSHIDA S., et al.
1989RMxAA..18...21E 11 11 Physical conditions in molecular clouds. EVANS II N.J.
1989RMxAA..18...45R 22 13 Radio observations of Herbig-Haro objects. RODRIGUEZ L.F.
1989RMxAA..18..183M 70 T                   1 2 0 The
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1989Sci...243.1557H 12 9 Star formation in irregular galaxies. HUNTER D.A. and GALLAGHER III J.S.
1989S&T....77..175L 2 0 To bin or not to bin. LOVI G.
1989SSRv...51..235T 24 44 Recent progress in astrochemistry. TURNER B.E.
1989S&W....28..466W 8 0 Schnappschusse schwacher Emissionsnebel. WEILAND H. and HEITHAUSEN A.
1989S&W....28..648R 6 1 Flugzeugastronomie in Deutschland. ROESER H.P. and SCHMID-BURGK J.
1989IAUS..131..577P 26 5 Comments on the applications of planetary nebulae research. PEIMBERT M.
1989IAUS..136..107W 17 35 Abundances in the galactic center. WANNIER P.G.
1990A&A...227..220S 15 14 Vibrationally excited ammonia in the galaxy. SCHILKE P., MAUERSBERGER R., WALMSLEY C.M., et al.
1990A&A...227..515E 1 7 39 Spatially resolved spectroscopy of WR ring nebulae. I. NGC 2359 and RCW 78. ESTEBAN C., VILCHEZ J.M., MANCHADO A., et al.
1990A&A...236..275C 11 5 Turbulent magnetic fields. I. CHABOYER B. and HENRIKSEN R.N.
1990A&AS...84...29M 23 10 Stromgren photometry of six emission line stars of the Orion population. MENDOZA E.E., ROLLAND A. and RODRIGUEZ E.
1990AJ....100..193M 29 8 Small-scale star formation at low metallicity. McCALL M.L., HILL R. and ENGLISH J.
1990AJ....100.1915H 28 16 Small galactic H II regions. II. The molecular clouds and star formation. HUNTER D.A., THRONSON H.A.Jr and WILTON C.
1990ApJ...348L..29C 12 6 The possible nature of "socket" stars in HII regions. CASTELAZ M.W.
1990ApJ...348L..65P 4 4 76 Velocity structure of the Orion-IRc2 SiO maser: evidence for an 80 AU diameter circumstellar disk. PLAMBECK R.L., WRIGHT M.C.H. and CARLSTROM J.E.
1990ApJ...349..120S 1 9 59 The 3.3 micron feature, H2, and ionized gas in the Orion bar. SELLGREN K., TOKUNAGA A.T. and NAKADA Y.
1990ApJ...352..561O 70 T                   1 16 61 Near-infrared emission-line spectra of the
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1990ApJ...352..625B 9 31 High spatial resolution observations of fluorescent molecular hydrogen in molecular clouds. BURTON M.G., GEBALLE T.R., BRAND P.W.J.L., et al.
1990ApJ...352..630H 41 12 Formation of OB clusters: detection of SiO v=0, J=1-0 emission as an indicator of compact outflow sources. HASCHICK A.D. and HO P.T.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...356L..25Z 2 4 45 A New bipolar outflow source in OMC-1. ZIURYS L.M., WILSON T.L. and MAUERSBERGER R.
1990ApJ...356L..63T 3 4 48 A model for clumpy giant molecular clouds with external ultraviolet heating. TAUBER J.A. and GOLDSMITH P.F.
1990ApJ...356..534M 14 13 Infrared and radio measurements of the density structure of compact H II regions. MEGEATH S.T., HERTER T., GULL G.E., et al.
1990ApJ...357L..49M 12 27 Large-scale interaction of the outflow and quiescent gas in Orion MARTIN-PINTADO J., RODRIGUEZ-FRANCO A. and BACHILLER R.
1990ApJ...357..132G 75 T                   1 2 46 The far-infrared polarization of the
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1990ApJ...357..477L 6 11 273 12C/13C isotope ratio across the galaxy from observations of 13C18O in molecular clouds. LANGER W.D. and PENZIAS A.A.
1990ApJ...358..116W 27 2 223 Physical conditions in photodissociation regions: application to galactic nuclei. WOLFIRE M.G., TIELENS A.G.G.M. and HOLLENBACH D.
1990ApJ...359..125M 11 23 Aperture synthesis observations of NH3 in OMC-1: filamentary structures around Orion-KL. MURATA Y., KAWABE R., ISHIGURO M., et al.
1990ApJ...361L..19Y 73 T                   1 3 44 Structural details of the
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1990ApJ...362L..25S 37   K                 6 67 A highly collimated outflow in the core of OMC-1. SCHMID-BURGK J., GUSTEN R., MAUERSBERGER R., et al.
1990ApJ...362L..71F 3 2 25 Spectra of polycyclic aromatic hydrocarbon molecules at elevated temperature and the interstellar unidentified infrared bands. FLICKINGER G.C. and WDOWIAK T.J.
1990ApJ...362..215K 6 18 Hard X-ray emission from the Carina nebula. KOYAMA K., ASAOKA I., YAMAUCHI S., et al.
1990ApJ...365..606G 10 22 An observational study of millimeter-wave recombination lines. GORDON M.A. and WALMSLEY C.M.
1990ApJS...74...93R 2 29 232 Abundances of the heavy elements in the Magellanic clouds. II. H II regions and supernova remnants. RUSSELL S.C. and DOPITA M.A.
1990MNRAS.242..395F 4 0 Gamma rays from dark clouds. FEITZINGER J.V. and STUWE J.A.
1990MNRAS.245..204P 9 25 The evolutionary status of the peculiar variable star V348 Sagitarii. POLLACCO D.L., TADHUNTER C.N. and HILL P.W.
1990MNRAS.245..623B 4 13 Interstellar chemistry : hot-ion reactions. BROWN R.D., CRAGG D.M. and BETTENS R.P.A.
1990PASP..102..726W 8 19 Photoelectric observations of moderate to rapidly rotating pre-main-sequence stars in the Orion nebula cluster. WALKER M.F.
1990PASP..102.1217W 3 2 28 Emission-line and continuum fluxes from narrow-and broad-band imagery. WALLER W.H.
1990ARA&A..28..215D 142 7 3987 H I in the Galaxy. DICKEY J.M. and LOCKMAN F.J.
1990ARA&A..28..525S 3 10 149 Extragalactic HII regions. SHIELDS G.A.
1990Afz....33...21G 36 0 The results of observations of maser emission in the main lines of OH molecule. II. Non stellar masers. GOSACHINSKI I.V., KANDALIAN R.A., NAZARETIAN F.S., et al.
1990Afz....33...47O 49 1 The regions of active star formation in O-associations. I. OSKANYAN A.V.
1990Afz....33..223G 31 0 Time variation of H2O maser emission sources at 13.5cm. III. Non-stellar masers. GOSACHINSKI I.V., KANDALIAN R.A., NAZARETIAN F.S., et al.
1990Afz....33..259O 25 0 The regions of active star formation in O-associations. II. OSKANYAN A.V.
1990Ast....18c..30S 7 0 A journey with light. Come on a 12-billion-year journey as the light from a distant quasar travels to Earth. SCHILLING G.
1990BICDS..38...29O 52 0 Recent aspects of the bibliography of astronomical objects. OCHSENBEIN F. and DUBOIS P.
1990BAAS...22..796M 70 T                   1 1 0 Stellar internal motions within the
Orion Nebula region.
1990BAAS...22.1255G 70 T                   1 3 0 Analysis of the complete EINSTEIN X-ray survey of the
Orion nebula region using PROS.
1990BAAS...22.1297M 2 1 A study of ultraviolet spectra of socket stars. McCOLLUM B. and CASTELAZ M.
1990ExA.....1..101S 4 ~ The Cologne acousto optical spectrometers. SCHIEDER R., TOLLS V. and WINNEWISSER G.
1990MmSAI..61...41B 31 0 The unidentified infrared bands and space observations with ISO. BLANCO A., BORGHESI A., OROFINO V., et al.
1990Natur.348..289W 2 1 Star formation's tangled web. WHITE G.J.
1990NewSc1707...37. 2 1 Faintest galaxy holds clues to birth of the Milky Way. :Anonymous
1990RPPh...53.1559P 35 78 Planetary nebulae. PEIMBERT M.
1990RMxAA..21..236R 19 5 Initial mass function in starburst galaxies with different metallicity. ROBLEDO-RELLA V. and FIRMANI C.
1990RMxAA..21..494G 5 0 Results of recent studies of the temporal variability of silicon monoxide masers. GOMEZ BALBOA A.
1990Sci...248..564L 2 5 41 The formation of sunlike stars. LADA C.J. and SHU F.H.
1990S&T....79..311Y 4 2 How we perceive star brightnesses. YOUNG A.T.
1990S&T....80...37D 6 0 Are spiral galaxies heavy smokers ? DAVIES J., DISNEY M. and PHILLIPPS S.
1990S&W....29..474H 3 0 Beobachtungen im Radiobereich bei 1.7 GHz mit einer 3-m-Parabolantenne. HAGN H. and ULRICH A.
1991A&A...244L...9M 1 4 18 A WC 9 subclass Wolf-Rayet star in the Large Magellanic Cloud. MOFFAT A.F.J.
1991A&A...244L..21G 2 4 40 Astronomical detection of the HCCN radical. Toward a new family of carbon-chain molecules ? GUELIN M. and CERNICHARO J.
1991A&A...245..625M 16 44 Ionization correction factors and compositions of HII regions. MATHIS J.S. and ROSA M.R.
1991A&A...246..535R 43 65 Herbig-Haro jets and molecular outflows in L1617. REIPURTH B. and OLBERG M.
1991A&A...249...31S 12 41 Extragalactic 18O/17O ratios and star formation: high-mass stars preferred in starburst systems ? SAGE L.J., MAUERSBERGER R. and HENKEL C.
1991A&AS...88..177S 7 0 Long term variability of southern hemisphere water masers. SESTOKAS FILHO B. and SCALISE E.Jr
1991AJ....101..185O 35 29 Five new Herbig-Haro objects in the Orion region. OGURA K. and WALSH J.R.
1991ApJ...367..155A 31 46 Spectroscopic binaries in the Orion Nebula cluster. ABT H.A., WANG R. and CARDONA O.
1991ApJ...369L..75H 71 T                   1 8 37 Ionization fronts and shocked flows: the structure of the
Orion nebula at 0".1.
1991ApJ...371L..33M 5 17 An extremely high velocity CO outflow from NGC 7538 IRS 9. MITCHELL G.F. and HASEGAWA T.
1991ApJ...371..183C 1 11 51 Emission from dust in visual reflection nebulae at infrared and submillimeter wavelengths. CASEY S.C.
1991ApJ...372L..25P 5 3 66 Detection of low-J pure-rotational emission from H2 in the Orion bar region : evidence for small-scale clumpiness. PARMAR P.S., LACY J.H. and ACHTERMANN J.M.
1991ApJ...374..564R 78 T                   1 5 172 Axisymmetric model of the ionized gas in the
Orion nebula.
1991ApJ...374..580B 115 T                   1 2 365 Physical conditions in the
Orion nebula and an assessment of its helium abundance.
1991ApJ...375..163H 48 14 Observations that link infrared cirrus and ultraviolet extinction. HACKWELL J.A., HECHT J.H. and TAPIA M.
1991ApJ...375..611B 7 17 Molecular hydrogen polarization images of OMC-1. BURTON M.G., MINCHIN N.R., HOUGH J.H., et al.
1991ApJ...375..630E 7 20 Near-infrared emission of neutral carbon from photon-dominated regions. ESCALANTE V., STERNBERG A. and DALGARNO A.
1991ApJ...377..171W 10 29 Water in dense molecular clouds. WANNIER P.G., PAGANI L., KUIPER T.B.H., et al.
1991ApJ...382L..37S 2 3 24 The optical depth of the 158 micron [12CII] line: detection of the F = 1->0 [13C II] hyperfine-structure component. STACEY G.J., TOWNES C.H., POGLITSCH A., et al.
1991ApJ...383L..75M 2 3 28 Rotation periods for seven stars in the Trapezium cluster. MANDEL G.N. and HERBST W.
1991ApJ...383..174G 5 0 Two planetary nebulae in the direction of the Galactic Center. GUTIERREZ-MORENO A., MORENO H. and CORTES G.
1991ApJ...383..693O 10 8 High-resolution spectroscopy of partially ionized gas around H II regions. ONELLO J.S., PHILLIPS J.A. and TERZIAN Y.
1991ApJS...77...59S 84 178 A catalog of bright-rimmed clouds with IRAS Point Sources: candidates for star formation by radiation-driven implosion. I. The Northern hemisphere. SUGITANI K., FUKUI Y. and OGURA K.
1991MNRAS.248p..11Z 9 ~ The nature of G 25.5+0.2 ZIJLSTRA A.A.
1991MNRAS.248..715M 1 7 49 Near-infrared imaging polarimetry of bipolar nebulae - I. The BN-KL region of OMC-1. MINCHIN N.R., HOUGH J.H., McCALL A., et al.
1991PASP..103..824O 73 T                   1 2 24 Hubble Space Telescope images and follow-up spectroscopy of the
Orion Nebula.
1991PASP..103..830W 1 2 8 Carbon in Orion. WALTER D.K.
1991PASP..103..834R 73 T                   1 2 30 Modeling the
Orion nebula as an axisymmetric blister.
1991PASP..103..919S 31 10 Relative abundances in the low-metallicity dwarf irregular galaxy UGC 4483. SKILLMAN E.D.
1991BAAS...23..875O 7 0 Astronomical observations at 10 and 20 microns with the NRL Infrared Camera. ODENWALD S., SHIVANANDAN K., THRONSON H., et al.
1991BAAS...23..928O 70 T                   1 0 Faint lines of (Fe II), (Fe III), (Ni II) and (Ni III) in the spectrum of
NGC 1976, and its abundances of Fe and Ni.
1991BAAS...23.1363C 3 ~ IRAS infrared emission from the Rosette nebula. CLARK F.O., SHIPMAN R., WESSELIUS P., et al.
1991BAAS...23.1364L 6 ~ The history and ionization of the local ISM : the last eight million years. LYU C.-H. and BRUHWEILER F.C.
1991BAAS...23.1375G 70 T                   1 4 0 The complex EINSTEIN Observatory X-ray survey of the
Orion nebula region.
1991JBAA..101..223M 4 0 Deep-sky photography - Tmax or Technichal Pan ? MARTYS C.R.
1991JRASC..85..200B 3 0 Impact broadening of hydrogen recombination lines with Delta n = 17 in Orion and W 51. BELL M., AVERY L., MOORE T., et al.
1991JRASC..85..212B 5 0 Statistical analysis of galactic HII region velocity fields: a progress report. BOILY E., JONCAS G. and DURAND D.
1991MmSAI..62..801F 10 9 A systematic survey for dense cores in nearby star formation regions. FUKUI Y., MIZUNO A., NAGAHAMA T., et al.
1991Mercu..20..148G 3 1 The great molecule factory in Orion. GOLSMITH D. and COHEN N.
1991PASAu...9..126W 5 1 A wide and deep survey of emission-line stars in the Orion region. WIRAMIHARDJA S.D., KOGURE T., YOSHIDA S., et al.
1991PASAu...9..340L 3 1 CCD observations from the centre of a city : use in astronomical education. LOMB N.R.
1991S&W....30..234T 18 0 Die Erforschung des Rontgenhimmels mit ROSAT. TRUMPER J.
1991S&W....30..617W 31 0 Eine Beobachtungsnacht im Herbst. WEISHEIT B.
1992A&A...255..271P 72 T                   6 36 Discovery of a red luminescence band in the spectrum of the Orion Nebula PERRIN J.-M. and SIVAN J.-P.
1992A&A...255..293F 203 134 Molecular outflows and H2O masers: what type of connection ? FELLI M., PALAGI F. and TOFANI G.
1992A&A...257..715F 3 14 205 The small-scale density and velocity structure of quiescent molecular clouds. FALGARONE E., PUGET J.-L. and PERAULT M.
1992A&A...258..472P 12 14 Search for H2D+ at 372 GHz in dense interstellar clouds. PAGANI L., WANNIER P.G., FRERKING M.A., et al.
1992A&A...259..283K 15 27 Molecular outflows associated with HH 52-54 and IRAS 12496-7650. KNEE L.B.G.
1992A&A...259..629E 1 21 91 Spatially resolved spectroscopy of WR ring nebulae. III. New results and chemical properties of the sample. ESTEBAN C., VILCHEZ J.M., SMITH L.J., et al.
1992A&A...262..624G 5 8 183 The IRAM interferometer on Plateau de Bure. GUILLOTEAU S., DELANNOY J., DOWNES D., et al.
1992A&A...264..610G 6 16 The 3.3 µm emission in M17 GIARD M., BERNARD J.P. and DENNEFELD M.
1992AJ....104...63W 12 30 Circumnuclear pileups of dust and gas in M 82. WALLER W.H., GURWELL M. and TAMURA M.
1992ApJ...387..229O 74 T                   3 44 Motion at the ionization front in the Orion nebula: a kinematic study of the O I line. O'DELL C.R. and WEN Z.
1992ApJ...389..196O 74 84 Near-infrared spectra and classification diagnostics of Seyfert galaxies. OSTERBROCK D.E., TRAN H.D. and VEILLEUX S.
1992ApJ...389..305O 121 T K                 3 186 Faint emission lines in the spectrum of the Orion nebula and the abundances of some of the rarer elements. OSTERBROCK D.E., TRAN H.D. and VEILLEUX S.
1992ApJ...389..325B 5 5 Orion B (NGC 2024). III. BIMA SO Jk = 2 2 ⟶ 1 1 observations: evidence for peculiar sulfur chemistry. BARNES P.J. and CRUTCHER R.M.
1992ApJ...394..320S 27 28 SO and SO2 in mass-loss envelopes of red giants: probes of nonequilibrium circumstellar chemistery and mass-loss rates. SAHAI R. and WANNIER P.G.
1992ApJ...395L..99H 106 T K                 13 31 Evidence for large-scale expanding motions within the Orion A molecular cloud. HEYER M.H., MORGAN J., SCHLOERB F.P., et al.
1992ApJ...395..484P 9 22 Determination of the He+/H+ ratio from Alpha, Beta and Gamma radio recombination lines. PEIMBERT M., RODRIGUEZ L.F., BANIA T.M., et al.
1992ApJ...397L.119G 35   K                 4 3 CO (v= 1-0) emission in the molecular shock regions of OMC-1. GRASDALEN G.L., HACKWELL J.A., LYNCH D.K., et al.
1992ApJ...397..196W 113 T K                 2 56 CNO abundances and temperature fluctuations in the Orion nebula. WALTER D.K., DUFOUR R.J. and HESTER J.J.
1992ApJ...398L..61A 35   K                 38 89 Rotation periods of T Tauri stars in the
Orion Nebula cluster: a bimodal frequency distribution.
1992ApJ...398..610M 3 4 63 Deviations of interstellar extinctions from the mean R-dependent extinction law. MATHIS J.S. and CARDELLI J.A.
1992ApJ...399L..67O 109 T K                 4 48 Extinction and scattering in the Orion nebula: comparison of optical and VLA 21 centimeter studies. O'DELL C.R., WALTER D.K. and DUFOUR R.J.
1992ApJ...399..147P 36   K                 9 67 Imaging spectrophotometry of the Orion nebulacore. I. Emission-line mapping and physical conditions. POGGE R.W., OWEN J.M. and ATWOOD B.
1992ApJ...399..586C 36   K                 19 92 Chemical evolution of the
Orion association. I. The oxygen abundance of main-sequence B stars.
1992MNRAS.254..291S 71 T                   7 7 330-MHz radio continuum observations of the H II regions M 42 and M 43. SUBRAHMANYAN R.
1992MNRAS.255..594S 71 T                   6 6 Dust grain processing in the Orion nebula. SORRELL W.H.
1992MNRAS.258..147S 71 T                   2 0 A Bok globule in the Orion nebula. SCHMIDT E.G. and TAYLOR D.J.
1992MNRAS.258..800A 114 5 Redshifts of high-luminosity stars - the K effect, the Trumpler effect and mass-loss corrections. ARP H.
1992PASP..104...76O 4 4 79 Sky spectra at a light-polluted site and the use of atomic and OH sky emission lines for wavelength calibration. OSTERBROCK D.E. and MARTEL A.
1992PASP..104..127O 18 4 Astronomical observations at 10 and 20 mu ODENWALD S., SHIVANANDAN K. and THRONSON H.A.
1992PASP..104..146L 12 5 The NASA Airborne Astronomy Program : a perspective on its contributions to science, technology and education. LARSON H.P.
1992AGAb....7...86P 71 T                   2 2 [Ar IV] and He II emission in the core of Orion nebula. PAKULL M.W.
1992Ast....20a..30C 10 0 Encounter in Orion. CROSWELL K.
1992Ast....20c..46V 9 0 Star dust. VERSCHUUR G.L.
1992A&ARv...4....1W 32 105 Abundances in the interstellar medium. WILSON T.L. and MATTEUCCI F.
1992AuJPh..45..411M 25 0 Star formation in the galaxy. McGREGOR P.J.
1992BICDS..40...13M viz 71 T                   2985 2 Machine-readable version of the Parenago catalogue of stars in the area of the Orion nebula. MALKOV O.Y.
1992BAAS...24..765O 71 T                   3 ~ Analysis of absorption systems in the Orion nebula region. O'DELL C.R., VALK J.H., ZHENG W., et al.
1992BAAS...24..765Z 71 T                   1 ~ Motion in the Orion nebula: a kinematics study of the [SIII] line. ZHENG W. and O'DELL C.R.
1992BAAS...24..798A 3 ~ CCD photometry of T Tauri variables in Orion. ATTRIDGE J. and HERBST W.
1992BAAS...24.1146L 3 ~ Near-infrared molecular hydrogen emission as a probe of the structure and energetics of photodissociation regions. LUHMAN M.L., JAFFE D.T. and KELLER L.D.
1992BAAS...24.1147O 71 T                   4 ~ Discovery of new objects in the Orion nebula on HST images : shocks and protoplanetary disks. O'DELL C.R., WEN Z., HU X., et al.
1992BAAS...24.1303W 71 T                   2 ~ Temperature and density gradients in the Orion nebula. WALTER D.K. and DUFOUR R.J.
1992JApA...13...61M 21 7 Effects of rotation on the colours and line indices of stars.5. The ZRMS and the ZRZAMS. MATHEW A. and RAJAMOHAN R.
1992NewSc1803...20C 2 0 Why the youngest stars get into a spin. CROSWELL K.
1992PAZh...18..246G 71 T                   3 ~ The fine structure of H110-alpha line emission in the Orion nebula. GOSACHINSKIJ I.V., ZHELENKOV S.R. and PROZOROV V.A.
1992QJRAS..33..111F 91 3 South African Astronomical Observatory. Research. FEAST M.W.
1992QJRAS..33..321M 10 7 Colour in astrophysics. MALIN D.
1992RMxAA..24..155P 2 8 75 The chemical composition of the galactic HII region M 17. PEIMBERT M. and TORRES-PEIMBERT S.
1992SciAm.266f..18C 11 0 Early results from the Hubble Space Telescope. CHAISSON E.J.
1992S&T....84..267S 24 0 The truth about star colors. STEFFEY P.S.
1993A&A...270..468D 71 T                   29 30 A multi-transition study of carbon monoxyde in the Orion A molecular cloud. DUTREY A., DUVERT G., CASTETS A., et al.
1993A&A...278..161C 36 24 The observability of old isolated neutron stars with ROSAT. II. Molecular clouds and deep fields. COLPI M., CAMPANA S. and TREVES A.
1993A&AS...98..137F 71 T                   43 95 The radio continuum morphology of the Orion Nebula: from 10' to 0.1" resolution. FELLI M., CHURCHWELL E., WILSON T.L., et al.
1993A&AS...98..477M 3 31 405 New dating of galactic open clusters. MEYNET G., MERMILLIOD J.-C. and MAEDER A.
1993A&AS...99..577G 71 T                   1 0 Global photometric structure of the Orion nebula. GREVE A., VAN GENDEREN A.M. and AUGUSTEIJN T.
1993A&AS..101...59M viz 93 40 The exciting sources of Herbig-Haro objects. I. A catalogue of 1-20um observations. MOLINARI S., LISEAU R. and LORENZETTI D.
1993A&AS..101..127F 54 77 The Orion radio zoo revisited: source variability. FELLI M., TAYLOR G.B., CATARZI M., et al.
1993ApJ...403L..17S 14 5 New 3 millimeter observations of interstellar HNO: reinstating a discredited identification. SNYDER L.E., KUAN Y.-J., ZIURYS L.M., et al.
1993ApJ...403..678O 107 T K                 8 55 Identification of velocity systems in the inner Orion nebula. O'DELL C.R., VALK J.H., ZHENG W., et al.
1993ApJ...403..690B 1 17 113 Can we observe accreting, isolated neutron stars ? BLAES O. and MADAU P.
1993ApJ...404L..83H 110 T K                 2 39 Effects of magnetic fields and rotation on the fragmentation of filamentary molecular clouds: comparison of the theory with the Orion A cloud. HANAWA T., NAKAMURA F., MATSUMOTO T., et al.
1993ApJ...404..219S 37   K                 13 116 158 micron [C II] mapping of the Orion molecular cloud. STACEY G.J., JAFFE D.T., GEIS N., et al.
1993ApJ...404..258S 1 5 27 Scattering and luminescence in the Bubble nebula. SIVAN J.-P. and PERRIN J.-M.
1993ApJ...404..643T 106 T K                 130 168 Molecular cloud cores in the Orion A cloud. I. Nobeyama CS (1-0) survey. TATEMATSU K., UMEMOTO T., KAMEYA O., et al.
1993ApJ...405L..39B 35   K                 5 18 A search for the rotational transitions of H2D+ at 1370 GHz and H3O+ at 985 GHz. BOREIKO R.T. and BETZ A.L.
1993ApJ...405..268Y 106 T K                 6 20 Hard X-rays from the Orion nebula region. YAMAUCHI S. and KOYAMA K.
1993ApJ...405..599M 36   K                 8 32 Structure and chemistry of Orion S. McMULLIN J.P., MUNDY L.G. and BLAKE G.A.
1993ApJ...406..172D 106 T K                 80 27 Rotation of young solar-type stars in the
Orion nebula region.
1993ApJ...408..539L 3 9 143 12C/13C isotope ratio in the local interstellar medium from observations of 13C18O in molecular clouds. LANGER W.D. and PENZIAS A.A.
1993ApJ...409..262W 108 T K                 2 18 Motion in the Orion nebula: a kinematic study of [S III]. WEN Z. and O'DELL C.R.
1993ApJ...409..282M 38   K                 2 30 The physical structure of Orion-KL on 2500 AU scales using the K-doublet transitions of formaldehyde. MANGUM J.G., WOOTTEN A. and PLAMBECK R.L.
1993ApJ...410..179H 35   K                 10 22 Extended CO(7–6) emission from warm gas in Orion. HOWE J.E., JAFFE D.T., GROSSMAN E.N., et al.
1993ApJ...410..696O 108 T K                 26 265 Discovery of new objects in the Orion nebula on HST images: shocks, compact sources, and protoplanetary disks. O'DELL C.R., WEN Z. and HU X.
1993ApJ...411..773M 37   K                 2 16 Interferometric observations for oxygen-containing organic molecules toward Orion-KL. MINH Y.C., OHISHI M., ROH D.-G., et al.
1993ApJ...413..237C 2 4 44 Detection of the [N II] 122 and 205 micron lines : densities in G 333.6-0.2. COLGAN S.W.J., HAAS M.R., ERICKSON E.F., et al.
1993ApJ...413..242R 110 T K                 3 52 Silicon and carbon abundances in the Orion nebula. RUBIN R.H., DUFOUR R.J. and WALTER D.K.
1993ApJ...414..626P 7 4 115 The O++/H+ abundance ratio in gaseous nebulae derived from recombination lines. PEIMBERT M., STOREY P.J. and TORRES-PEIMBERT S.
1993ApJ...418..760P 1 6 42 Chemical composition of M 8 on IUE and visual observations. PEIMBERT M., TORRES-PEIMBERT S. and DUFOUR R.J.
1993ApJ...419..181S 8 2 70 The He I 2.06 micron to brackett gamma ratio as a nebular diagnostic. SHIELDS J.C.
1993ApJS...86..211B 5 19 A spectral-line survey of W51 from 17.6 to 22.0 GHz. BELL M.B., AVERY L.W. and WATSON J.K.G.
1993ApJS...88..119H 51 52 Star formation in the L1641 north cluster. HODAPP K.-W. and DEANE J.
1993ApJS...89..259S viz 35   K                 629 9 Far-ultraviolet stellar photometry: a field in
1993MNRAS.260..625M 72 T                   5 34 High-speed, highly ionized jets, knots and loops in the Trapezium cluster of the Orion nebula (M 42, NGC 1976). MEABURN J., MASSEY R.M., RAGA A.C., et al.
1993MNRAS.261..306H 1 6 33 Refractory element depletion and the determination of abundances in HII regions. HENRY R.B.C.
1993MNRAS.261..465L 39 26 Observations of the Bowen fluorescence mechanism and charge transfer in planetary nebulae - I. LIU X.-W. and DANZIGER J.
1993MNRAS.262L..48M 72 T                   3 17 Extensive, high-speed gas around the Trapezium cluster of the Orion nebula (M 42, NGC 1976). MASSEY R.M. and MEABURN J.
1993MNRAS.263..535G 9 13 A survey of HI in Orion - II. Large-scale features and the lack of evidence for rotation. GREEN D.A. and PADMAN R.
1993PASP..105.1330N 5 4 A CCD anti-blooming technique for use in photometry. NEELY A.W. and JANESICK J.R.
1993AZh....70...72T 10 0 The spectral character of an HII-region ionizing source as determined from H and He radio recombination line observations: O-B stars. TSIVILEV A.P.
1993Ast....21a..32V 5 0 Journey into the galaxy. VERSCHUUR G.L.
1993Ast....21l..74E 71 T                   1 0
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1993A&ARv...5....1W 8 3 Cosmic evolution of the biogenic elements and compounds. WHITTET D.C.B. and CHIAR J.E.
1993Ap&SS.204..205R 71 T                   1 1 A kinematic study of
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1993BAAS...25..881G 2 ~ X-ray emission from O6-B5 and B6-A5 stars in Orion. GAGNE M., CAILLAULT J.P. and STAUFFER J.R.
1993BAAS...25Q.898M 4 ~ DIRBE 1-240 mu-m IR observations of H II regions. MITRA P.M., et al.
1993BAAS...25.1317L 3 ~ NH3 emission in the Perseus molecular cloud complex. LADD E.F., MYERS P.C. and GOODMAN A.A.
1993BAAS...25.1438G 71 T                   5 ~ Stellar X-ray emission in the Orion Nebula Region. GAGNE M., CAILLAULT J.P. and STAUFFER J.R.
1993GriO...57e...2Y 5 0 You light up my life zone. YOUNG A.
1993JBAA..103...84M 14 0 Visual recording of deep-sky objects. MacDONALD L.T.
1993Natur.363...54A 75 T                   11 215 Explosive ejection of matter associated with star formation in the Orion nebula. ALLEN D.A. and BURTON M.G.
1993NewSc1873...42H 3 0 Astronomy's trail through dusty galaxies. HUGHES D.
1993PASAu..10..322B 3 5 Molecular hydrogen outside the near-infrared. BURTON B.
1993PASAu..10..367S 3 0 The nature of star formation in the Trapezium Cluster. SAMUEL A.E.
1993RPPh...56.1209W 23 26 Interstellar molecules. WINNEWISSER G. and HERBST E.
1993RMxAA..26...93Z 3 0 Physical parameters in interstellar masers. ZULEMA A. and VILAS BOAS J.W.S.
1993RMxAA..27....9P 3 4 50 Chemical composition of galactic HII regions. PEIMBERT M.
1993RMxAA..27...55O 71 T                   4 3 Structure, motion and composition of the Orion nebula. O'DELL C.R.
1993RMxAA..27..111C 14 4 An abundance comparison between B stars and nebula in the Orion association. CUNHA K.
1993RMxAA..27..153H 71 T                   1 0 Calibration of HST narrow band filters using the Orion nebula. HU X.
1993RMxAA..27..207W 71 T                   2 4 The ionization structure of the Orion nebula. WALTER D.K., DUFOUR R.J. and HESTER J.J.
1993SciN..143...36C 3 0 Low-mass stars : born to make planets ? COWEN R.
1993SciN..143..293C 71 T                   1 0 Peering into Orion nebula's stellar nursery. COWEN R.
1993S&T....85e..18L 8 ~ Deciphering the mysteries of stellar origins. LADA C.
1993S&T....85d..38S 17 0 M is for Messier. SKIFF B.A.
1993S&T....85a..48H 10 0 A binocular star-hop in Orion. HARRINGTON P.
1993SSRv...66...37C 23 4 Massive star distribution in external galaxies and starburst regions. CONTI P.S.
1994A&A...281L...5B 3 9 141 COMPTEL observations of the Orion complex : evidence for cosmic-ray induced gamma-ray lines. BLOEMEN H., WIJNANDS R., BENNETT K., et al.
1994A&A...281..209C 22 42 An ammonia study of the Orion streamer. CESARONI R. and WILSON T.L.
1994A&A...281..451L 34 15 A search for SiO, OH, CO and HCN radio emission from silicate-carbon stars. LITTLE-MARENIN I.R., SAHAI R., WANNIER P.G., et al.
1994A&A...281..517J 28 32 Diffuse interstellar bands in Orion. The environment dependence of DIB strength. JENNISKENS P., EHRENFREUND P. and FOING B.
1994A&A...282..709K 7 4 120 Is there primordial gas in IZw 18 ? KUNTH D., LEQUEUX J., SARGENT W.L.W., et al.
1994A&A...282..999S 6 4 106 Recombination coefficients for O II lines at nebular temperatures and densities. STOREY P.J.
1994A&A...284..919G 107 T K                 10 15 An investigation of extinction diagnostics towards the Orion Nebula. GREVE A., CASTLES J. and McKEITH C.D.
1994A&A...286...60L 32 58 Star formation by infall of high velocity clouds on the galactic disk. LEPINE J.R.D. and DUVERT G.
1994A&A...286..501P 5 19 Short time scale monitoring of SiO sources. PIJPERS F.P., PARDO J.R. and BUJARRABAL V.
1994A&A...287..523S 55 17 T Tauri stars as differential rotators. SMITH M.D.
1994A&A...287..601P 17 21 The warm and the cold neutral phase in the local interstellar medium at |b|≥10deg and at low velocities. POEPPEL W.G.L., MARRONETTI P. and BENAGLIA P.
1994A&A...289..101B viz 2 23 250 The Orion OB1 association. I. Stellar content. BROWN A.G.A., DE GEUS E.J. and DE ZEEUW P.T.
1994A&A...289..524B 6 7 PAH distribution in BD 30+3639. BERNARD J.P., GIARD M., NORMAND P., et al.
1994A&A...290..421W 4 5 84 Fragmentation of shocked interstellar gas layers. WHITWORTH A.P., BHATTAL A.S., CHAPMAN S.J., et al.
1994A&A...290..956A 37   K                 3 17 The polarized water maser in
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1994A&A...291..239G 36   K                 17 59 PAH destruction at ionization fronts. GIARD M., BERNARD J.P., LACOMBE F., et al.
1994A&A...292..641J 2 17 168 Steps toward interstellar silicate mineralogy. I. Laboratory results of a silicate glass of mean cosmic composition. JAEGER C., MUTSCHKE H., BEGEMANN B., et al.
1994AJ....108.1382M 158 301 High resolution near-infrared imaging of the Trapezium: a stellar census. McCAUGHREAN M.J. and STAUFFER J.R.
1994ApJ...420..746S 36   K                 58 19 Fabry-Perot imaging of molecular hydrogen emission in Orion-KL region. SUGAI H., USUDA T., KATAZA H., et al.
1994ApJ...420..772R 3 6 85 Nebular properties from far-infrared spectroscopy. RUBIN R.H., SIMPSON J.P., LORD S.D., et al.
1994ApJ...421..517P 36   K                 330 234 HST photometry of the Trapezium cluster. PROSSER C.F., STAUFFER J.R., HARTMANN L., et al.
1994ApJ...422...92D 23 68 Molecular clouds in the extreme outer galaxy. DIGEL S., DE GEUS E. and THADDEUS P.
1994ApJ...422..136T 38   K                 6 60 Anatomy of a photodissociation region : high angular resolution images of molecular emission in the Orion bar. TAUBER J.A., TIELENS A.G.G.M., MEIXNER M., et al.
1994ApJ...422..521G 40 110 Infrared spectroscopy of Seyfert 2 galaxies: a look through the obscuring torus ? GOODRICH R.W., VEILLEUX S. and HILL G.J.
1994ApJ...422..642W 39   K                 4 50 Maps of 92 GHz methyl cyanide emission in Orion-KL. WILNER D.J., WRIGHT M.C.H. and PLAMBECK R.L.
1994ApJ...423..326B 39   K                 2 26 Spectral imaging of the Orion bar at 3.3, 8.4 and 11.3 microns : comparison with a fluorescent polycyclic aromatic hydrocarbon model. BREGMAN J., LARSON K., RANK D., et al.
1994ApJ...425L..49P 1 11 48 Observations of large-scale [C I] emission from S 140. PLUME R., JAFFE D.T. and KEENE J.
1994ApJ...427..511S 109 T K                 1 9 A Fabry-Perot imager for near-infrared astrophysics at the Communications Research Laboratory 1.5 meter telescope,and imaging of hydrogen recombination lines in the
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1994ApJ...428..209N 1 5 36 Carbon recombination lines as a diagnostic of photodissociation regions. NATTA A., WALMSLEY C.M. and TIELENS A.G.G.M.
1994ApJ...429..645M 3 13 156 Statistical analysis of turbulence in molecular clouds. MIESCH M.S. and BALLY J.
1994ApJ...429..726H 36   K                 4 4 Spectral imaging of the Ney-Allen nebula at 10 and 20 microns. HAYWARD T.L.
1994ApJ...430..256O 36   K                 4 9 The molecular gas associated with the Orion bright bar. OMODAKA T., HAYASHI M., HASEGAWA T., et al.
1994ApJ...430..713W 6 3 73 Coagulation of grains in static and collapsing protostellar clouds. WEIDENSCHILLING S.J. and RUZMAIKINA T.V.
1994ApJ...430..743J 177 17 Magnetic field structure in Monoceros R2. JARRETT T.H., NOVAK G., XIE T., et al.
1994ApJ...430..786P 36   K                 7 19 Shocked pure-rotational emission from H2 in Orion. PARMAR P.S., LACY J.H. and ACHTERMANN J.M.
1994ApJ...431..674B 39   K                 4 52 CH3C2H as a temperature probe in dense giant molecular cloud cores. BERGIN E.A., GOLDSMITH P.F., SNELL R.L., et al.
1994ApJ...432L.135B 111 T K                 2 32 [Fe II] emission from high-density regions in the Orion nebula. BAUTISTA M.A., PRADHAN A.K. and OSTERBROCK D.E.
1994ApJ...432..386C 107 T K                 47 35 ROSAT HRI observations of hot stars in the Orion nebula. CAILLAULT J.-P., GAGNE M. and STAUFFER J.R.
1994ApJ...433..117L 31 45 Dense cores in dark clouds. X. Ammonia emission in the Perseus molecular cloud complex. LADD E.F., MYERS P.C. and GOODMAN A.A.
1994ApJ...433..157H 36   K                 19 27 Thermal infrared imaging of subarcsecond structure in the Trapezium Nebula. HAYWARD T.L., HOUCK J.R. and MILES J.W.
1994ApJ...433..725D 109 T K                 1 11 Two micron spectrophotometry of the Orion nebula and the detection of significant [Fe III] emission. DEPOY D.L. and POGGE R.W.
1994ApJ...434L..29W 107 T K                 9 4 Anomalous Balmer continuum temperatures in the
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1994ApJ...434..446K 8 9 308 Disk-driven hydromagnetic winds as a key ingredient of active galactic nuclei unification schemes. KOENIGL A. and KARTJE J.F.
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1994ApJ...436L.185L 36   K                 7 27 H2 emission as a tracer of molecular hydrogen: large-scale observations of Orion. LUHMAN M.L., JAFFE D.T., KELLER L.D., et al.
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1994ApJS...90..149C 69 42 Stellar density enhancements associated with IRAS sources in L1641. CHEN H. and TOKUNAGA A.T.
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1994AZh....71..737I 7 3 Secular and nonstationary variations in the Crab nebula radio spectrum. IVANOV V.P., STANKEVICH K.S. and STOLYAROV S.P.
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1994Ap&SS.211..215R 5 0 Recombination lines, lit by OH maser spectra, from radio opaque compact regions (II). ROVENSKAYA N.I.
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1994Ap&SS.216..241M 10 1 Recent optical observations of circumstellar and interstellar phenomena. MEABURN J.
1994Ap&SS.216..263M 7 0 High-speed flows in the vicinity of the Trapezium stars. MEABURN J. and MASSEY R.M.
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1994Mercu..23a...7S 8 0 "We nailed it !". A first look at the new and improved Hubble Space Telescope. STEPHENS S.
1994Natur.372..411P 8 0 Chronology of the skies. PUDRITZ R.E.
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1994RMxAA..29...88D 6 6 HII regions as cavities. DUFOUR R.J.
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1994S&T....88f..20O 71 T                   4 0 Exploring the Orion Nebula. O'DELL R.
1994SSRv...69....1G 41 4 The pre-main-sequence star RU Lupi: an extreme T Tauri star. GIOVANNELLI F.
1994IAUCo.151..121T 9 ~ Flare stars database : present status. TSVETKOVA K.P., TSVETKOV M.K. and STAVREV K.Y.
1995A&A...293..532M 8 9 The curious kinematics of the Honeycomb nebula in the Large Magellanic Cloud. MEABURN J., WANG L. and BRYCE M.
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1995A&A...294..555L 2 <