CDS

* sig Ori , the SIMBAD biblio

* sig Ori , the SIMBAD biblio (786 results) C.D.S. - SIMBAD4 rel 1.8 - 2023.06.10CEST15:22:30

Sort references on where and how often the object is cited
trying to find the most relevant references on this object.
More on score
Bibcode/DOI Score in Title|Abstract|
Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1904ApJ....19..151F 8 12 Eight stars whose radial velocities vary. FROST E.B. and ADAMS W.S.
1926ApJ....64....1F 367 54 Radial velocities of 368 helium stars. FROST E.B., BARRETT S.B. and STRUVE O.
1950ApJ...111..434R 172 5 Spectroscopic distance moduli for 224 O and B stars. RAMSEY J.
1950ApJ...111..443M 65 T                   1 1 4 A note on the spectrum of
sigma Orionis. 		MICZAIKA G.R.
1950MNRAS.110...15G 168 12 Relative gradients for 166 southern stars. GASCOIGNE S.C.B.
1950AnAp...13..147S 146 35 Equivalent widths of interstellar Ca lines. SPITZER L.Jr, EPSTEIN I. and HEN L.
1950JO.....33...93M 67 1 Mesures micrometriques d'etoiles doubles faites en fevrier-mars 1950 au Pic-du-Midi. MULLER P.
1951ApJ...113..100D 409 56 Intensities of the interstellar band at lambda 4430. DUKE D.
1951ZA.....29..262M 115 4 Absolute Helligkeiten von 115 B-Sternen. MICZAIKA G.R.
1952ApJ...115..227M 25 ~ A comparison of the components in interstellar sodium and calcium. McRAE P. and SPITZER L.Jr
1952ApJ...116..251S 220 193 A study of the Orion aggregate of early-type stars. SHARPLESS S.
1952ApJ...116..446U 2 5 Note on the Stark broadening of H-gamma. UNDERHILL A.B.
1952AnAp...15..201C 240 135 Recherches sur les spectres continus stellaires. V. Etude du spectre continu de 150 etoiles entre 3150 et 4600 A. CHALONGE D. and DIVAN L.
1953ApJ...117..313J 477 1672 Fundamental stellar photometry for standards of spectral type on the Revised System of the Yerkes Spectral Atlas. JOHNSON H.L. and MORGAN W.W.
1953ApJ...118..370J 71 46 Spectrographic observations of galactic emission regions and nebulae. JOHNSON H.M.
1953MNRAS.113..530B 185 53 On the relation between distance and intensity for interstellar Ca and Na lines. BEALS C.S. and OKE J.B.
1953AnAp...16..417H 241 10 Etude du spectre d'absorption de 243 etoiles de types spectraux compris entre O6 et F8 pour la recherche de criteres quantitatifs de classification spectrale bidimensionelle. HACK M.
1953BOTT....1g..11H 129 0 Estrellas con Halpha em emission en las cercanias de IC 434. HARO G. and MORENO A.
1953GCRV..C......0W viz 13       D               1 15125 750 General Catalogue of Stellar Radial Velocities WILSON R.E.
1955ApJ...121..604J 123 30 Symmetric galactic nebulae. JOHNSON H.M.
1955ApJ...121..611M 26 59 A description of certain galactic nebulosities. MORGAN W.W., STROMGREN B. and JOHNSON H.M.
1955ApJS....2...41M 1279 356 Studies in galactic structure. II. Luminosity classification for 1270 blue giants stars. MORGAN W.W., CODE A.D. and WHITFORD A.E.
1955JO.....38..221M 213 1 Mesures d'etoiles doubles faites a Strasbourg en 1954. MULLER P.
1955ZA.....36....1T 7 45 Die Atmosphare des B0-Sternes tau Scorpii. TRAVING G.
1956AJ.....61...90M 626 5 Proper motions of 650 bright B-type stars. MORGAN H.R.
1956AJ.....61..162W 149 2 Measures of double stars. WORLEY C.E.
1956ApJ...123..253S 99 24 Photoelectric spectrophotometry. I. Hydrogen line intensities of O, B and A type stars. STOCK J.
1956ApJ...123..267J 165 124 Observational confirmation of a theory of stellar evolution. JOHNSON H.L. and HILTNER W.A.
1956ApJ...123..440S 412 75 Six-color photometry of stars. VIII. The colors of 409 stars of different spectral types. STEBBINS J. and KRON G.E.
1956JO.....39..127M 113 2 Mesures d'etoiles doubles faites a l'Observatoire du Pic du Midi en fevrier-mars 1956. MULLER P.
1957AJ.....62..153W 288 4 Measures of 266 double stars. WORLEY C.E.
1957ApJ...125..622O 19 76 Comet-tail structures in emission nebulae. OSTERBROCK D.E.
1957ApJ...126...99B 66 7 Photoelectric spectrophotometry. II. Monochromatic colors of O, B and A-type stars. BONSACK W.K. and STOCK J.
1957JO.....40..157M 61 0 Mesures photometriques d'etoiles doubles ecartees au moyen d'un appareil nouveau. MULLER P.
1958AJ.....63..186C 1 1 Spectrophotometric luminosity criteria. CHALONGE D.
1958ApJ...127...28M 1 5 65 Interstellar structure of the Orion region. I. MENON T.K.
1958MNRAS.118..591R 2 6 Radio emission from Orion. RISHBETH H.
1959ApJ...130..338W 3 3 The radial velocity of sigma Orionis E. WALLERSTEIN G.
1959JO.....42...94D 87 1 Coordonnees moyennes de 86 etoiles O et B determinees a l'Observatoire de Paris et reduites sans mouvement propre a l'equinoxe 1950.0 Coordonnees normales et mouvements propres de 85 etoiles O et B. DELHAYE J.
1959SvA.....3..291K 31 17 A revised list of T-associations and their members. KHOLOPOV P.N.
1960BAN....15..255B 328 33 Seven-colour photometry of O, B and A stars. BORGMAN J.
1961ApJS....6....1K 692 8 Micrometer measures of double stars. KUIPER G.P.
1962AnAp...25....1B 104 10 Recherches sur les proprietes des etoiles doubles ou multiples largement separees en relation avec les problemes d'evolution. I. BERGER J.
1962AnAp...25..184B 105 6 Recherches sur les proprietes des etoiles doubles ou multiples largement separees en relation avec les problemes d'evolution. IV. BERGER J.
1962MmSAI..33..159B 93 6 A two dimensional classification for stars of class O. BOTTO P. and HACK M.
1963ApJ...138..617C 149 34 Stellar brightness mesurement at 1314 and 1427 A: observation of the O I twilight glow. CHUBB T.A. and BYRAM E.T.
1963PASP...75..182F 6 4 The red 0,0 CN bands in late type giants. FREDRICK L.W.
1963MmSAI..34....3H 74 7 Absolute magnitudes of O type stars. HACK M.
1964AJ.....69..724H 5 0 Yerkes Observatory report HILTNER W.A.
1964MNRAS.128..261B viz 439 34 Photoelectric distance of 461 Northern OB-stars and galactic structure from Hgamma luminosities. BEER A.
1964BAICz..15..190K 4 3 A relation between the orbits and magnitude distribution of meteors. KRESAK L.
1964BAN....17..358B 368 80 Luminosities and photometric distances of early-type stars. BORGMAN J. and BLAAUW A.
1964JO.....47..124M 92 0 Determination de magnitudes absolues par la methode d'Ohman; application a l'etude de la structure galactique dans 2 regions du ciel. MARTIN N.
1964ZA.....59..108J 477 39 A survey of Southern Be stars. I. Spectroscopic data. JASCHEK C., JASCHEK M. and KUCEWICZ B.
1965LS....C06....0N 13       D               1 444 37 Luminous Stars in the Northern Milky Way NASSAU J.J., STEPHENSON C.B. and MacCONNELL D.J.
1966AJ.....71..611C 13       D               96 ~ Photoelectric H-beta photometry for B stars in the Orion Belt region. CRAWFORD D.L. and BARNES J.V.
1967AJ.....72.1128E 9 1 Princeton University Observatory report. EVANS J.W.
1967PASP...79..433G 72 T                   1 1 34 The
sigma Orionis clustering. 		GARRISON R.F.
1968ApJ...151..473M 92 142 Radial velocities and kinematics of galactic H II regions. MILLER J.S.
1968ApJ...152..913L 193 173 Interstellar extinction in the Orion association. LEE T.A.
1968ApJ...154..661M 15 48 Rocket observations of orion stars with an all-reflective ultraviolet spectrograph. MORTON D.C., JENKINS E.B. and BOHLIN R.C.
1968ApJS...17..371L viz 479 496 The kinematics of the Gould belt: an expanding group ? LESH J.R.
1968BAN....20...47V 27 24 Statistical properties of early-type double and multiple stars. VAN ALBADA T.S.
1968MmSAI..39....1A 5 0 Chemical composition and physical structure of 6 early-type stars. AYDIN C.
1969ApJ...157L.113C 12 16 On the far-ultraviolet interstellar extinction law in the Orion nebula region. CARRUTHERS G.R.
1969ApJ...157..135H 75 230 Interferometric studies of interstellar sodium lines. HOBBS L.M.
1969MNRAS.144...31B 384 51 Line strengths for southerns OB stars. II. Observations with moderate dispersion. BUSCOMBE W.
1970AJ.....75..337L 152 8 An attempt to define luminosity criteria in O stars via narrow-band photoelectric photometry. LANDOLT A.U.
1970ApJ...162..909Z 13       D               16 14 The temperature dependence of H beta strength in O stars. ZINN R.J.
1971A&A....10..321F 44 5 Measurements of hydrogen lines in B-stars by a method of photographic narrow-band photometry. FURENLID I.
1971AJ.....76.1058C 13       D               394 123 Four-color, H-beta and UBV photometry for bright B-type stars in the northern hemisphere. CRAWFORD D.L., BARNES J.V. and GOLSON J.C.
1971ApJ...166..543W 204 17 Far-ultraviolet interstellar absorption in Orion and Monoceros. WEBER S.V., HENRY R.C. and CARRUTHERS G.R.
1971ApJ...170..325C 128 467 Spectroscopic studies of O-type stars. I. Classification and absolute magnitudes. CONTI P.S. and ALSCHULER W.R.
1972AJ.....77..878W 416 11 Micrometer measures of 401 double stars. WORLEY C.E.
1972ApJ...171..293B 2 36 485 Ultraviolet photometry from the Orbiting Astronomical Observatory. II. Interstellar extinction. BLESS R.C. and SAVAGE B.D.
1972ApJ...172..491S 70 202 A survey of local interstellar hydrogen from OAO-2 observations of Lyman alpha absorption. SAVAGE B.D. and JENKINS E.B.
1972ApJ...173...43M 66 146 Interferometric studies of interstellar calcium lines. MARSCHALL L.A. and HOBBS L.M.
1973A&A....25..261H 4 19 Spectralphotometry and quantitative analysis of the hydrogen-deficient stars HD 144941 and CPD -69 2698. HUNGER K. and KAUFMANN J.P.
1973A&A....26..127W 2 2 30 The atmosphere of the hydrogen-deficient star HD 96446. WOLF R.E.A.
1973A&AS...12..277G 545 35 A new general O type stars catalogue. GOY G.
1973AJ.....78..246F 11 7 Scanner observations of hot He-carbon stars. FAY T., HONEYCUTT R.K. and WARREN W.H.
1973ApJ...179..161C 126 144 Spectroscopic studies of O-type stars. II. Comparison with non-LTE models. CONTI P.S.
1973ApJS...25..393S 18 99 Microwave water vapor emission from galactic source. SULLIVAN W.T.
1973PASP...85..396R 7 3 Continuum observations of some hot He rich stars. ROSENDHAL J. and SCHMIDT E.G.
1973SAOSR.350....1D viz 13       D               4537 ~ Celescope catalogue of ultraviolet magnitudes. DAVIS R.J., DEUTSCHMAN W.A. and HARAMUNDANIS K.L.
1974A&A....32..209C 3 15 A 2700 MHz map of IC 434 and the surrounding Orion region. CASWELL J.L. and GOSS W.M.
1974A&A....33..277H 7 10 A fine analysis of the He-rich star HD 184927. HIGGINBOTHAM N.A. and LEE P.
1974A&A....34....1B 11 2 On the detectability of Bp-type abundance anomalies in early main-sequence stars. BASCHEK B., KODAIRA K. and SCHOLZ M.
1974A&A....35..479T 1 2 17 The period of the spectrum variable sigma Ori E. THOMSEN B.
1974AJ.....79..368G 79 11 21-cm observations in the directions of 43 hot stars and 34 X-ray sources. GRAYZECK E.J. and KERR F.J.
1974AJ.....79..397H 11 17 Revised elements of eight visual binaries. HEINTZ W.D.
1974AJ.....79..809B 66 2 Photoelectric measurements of H gamma line strengths in early-type stars. BLANCHARD P., BOWEN W.E., LEDDEN J.E., et al.
1974ApJ...187..117O 1 11 104 The composition and evolutionary status of Helium-rich stars. OSMER P.S. and PETERSON D.M.
1974ApJ...187..531M 5 16 OAO-2 observations of the Helium spectrum variable a Centauri. MOLNAR M.R.
1974ApJ...187..539C 80 103 Spectroscopic studies of O-type stars. IV. Lines in the red region. CONTI P.S.
1974ApJ...191L..95W 1 7 65 A new phenomenon in the spectrum of sigma Orionis E. WALBORN N.R.
1974ApJ...191..381H 85 330 A comparison of interstellar Na I, Ca II, and K I absorption. HOBBS L.M.
1974ApJ...192L...7B 71 T                   1 2 38 High-dispersion spectroscopy of the
sigma Orionis system. 		BOLTON C.T.
1974ApJ...192...51S 65 145 On the velocity dependence of the interstellar Na I/Ca II ratio. SILUK R.S. and SILK J.
1974ApJ...193..113C 133 222 Spectroscopic observations of O-type stars. V. The hydrogen lines and lambda 4686 He II. CONTI P.S. and LEEP E.M.
1974ApJ...194..645O 2 3 The evolution of the He star sigma Orionis E. ODELL A.P.
1974ApJS...28..413V 640 24 Micrometric measures of double stars. VAN BIESBROECK G.
1974MNRAS.166..463O 48 2 On the strength of H alpha in the O-stars. OSBORN W.
1974MmSAI..45...93G 68 T                   1 9 0 Preliminary results from an analysis of interstellar UV- absorption lines in the spectra of beta Cru, mu Sco,
sigma Ori, delta Ori, HD 63922 and gamma Ara. 		GRENING M., LAMERS H.J., NALMSLEY C.M., et al.
1974RMxAA...1..101A 75 28 The kinematics of Trapezium systems. ALLEN C., POVESA A. and WORLEY C.E.
1974RMxAA...1..211C viz 675 251 A catalogue of galactic O stars. The ionization of the low density interstellar medium by runaway stars. CRUZ-GONZALEZ C., RECILLAS-CRUZ E., COSTERO R., et al.
1974SvA....18..311G 6 ~ Spectral energy distribution of BD +34 3815 (Cygnus X-1) and X Persei. GLUSHNEVA N., DOROSHENKO V.T. and FETISOVA T.
1975A&A....38..351K 7 6 Spectralphotometry and quantitative analysis of the hydrogen-deficient star HD 60344. KAUFMANN J.P. and HUNGER K.
1975A&A....39..465V 20 5 A study of the near ultraviolet interstellar extinction curve from selected stars observed with the orbiting stellar spectrophotometer S 59. VIOTTI R. and LAMERS H.J.G.L.M.
1975A&A....41..259L 108 ~ Observations and theory of Mg II lines in early type stars. III. The observations and a comparison with the predictions. LAMERS H.J.G.L.M. and SNIJDERS M.A.J.
1975A&A....44..195N 125 270 Studies of ultraviolet interstellar extinction with the sky-survey telescope of the TD-1 satellite. I. Results for three galactic regions. NANDY K., THOMPSON G.I., JAMAR C., et al.
1975A&AS...21...81D viz 100 14 Standard stars for photoelectric H alpha line photometry. DACHS J. and SCHMIDT-KALER T.
1975ApJ...196..167K 9 37 Radio recombination line observations of the C II region NGC 2023. KNAPP G.R., BROWN R.L. and KUIPER T.B.H.
1975ApJ...197..371M 11 5 Ultraviolet spectrophotometry from Gemini XI of stars in Orion. MORGAN T.H., SPEAR G.G., KONDO Y., et al.
1975ApJ...199...92S 79 141 Ultraviolet photometry from the orbiting astronomical observatory. XX. The ultraviolet extinction bump. SAVAGE B.D.
1975ApJ...200..113M 14       D               102 38 Photometry of O-type stars, interpreted with reference to model atmospheres. MORRISON N.D.
1975ApJS...29..315H 966 15 Micrometer observations of double stars. VIII. HEINTZ W.D.
1975PASP...87..153M 17 3 Observations of the C 3 lambda 8500 (3S1S-3P1P) line in O and of stars. MIHALAS D., FROST S.A. and LOCKWOOD G.W.
1975PASP...87..481C 126 138 Four-color and H beta photometry of O-type stars. CRAWFORD D.L.
1975PASP...87..613W 7 11 A new He spectrum variable and a new He rich star. WALBORN N.R.
1975AN....296..237F 20 1 The diffuse 2200 A interstellar absorption band and the abundances of neutral interstellar hydrogen and sodium. FRIEDEMANN C.
1975RMxAA...1..289P 18 32 Observations of faint HII region in our galaxy. PEIMBERT M., RAYO J.F. and TORRES-PEIMBERT S.
1976A&A....48...55V 3 6 Sur la temperature electronique de la nebuleuse galactique diffuse IC 434. VIDAL J.L.
1976A&A....49..263B 5 14 Absolute ultraviolet spectrophotometry from the TD-1 satellite. VII. Ultraviolet variations of zeta Tau. BEECKMANS F.
1976A&A....52..303G 5 1 28 Variable shell spectrum of sigma Ori E. GROOTE D. and HUNGER K.
1976A&A....53....9V 14       D               110 20 Galactic structure in monoceros: a photometric study of luminous stars. VOGT N.
1976A&AS...25...65V 44 16 Line identifications in the near-ultraviolet for nine bright stars. VAN DER HUCHT K.A., LAMERS H.J.G.L.M., FARAGGIANA R., et al.
1976AJ.....81..245E 252 60 MK classification for visual binary components. EDWARDS T.W.
1976ApJ...205L..87W 1 4 31 On the nature of sigma Orionis E. WALBORN N.R. and HESSER J.E.
1976ApJ...206..167P 121 43 Ultraviolet photometry from the orbiting astronomical observatory. XXIII. The resonance lines of triply ionized carbon and silicon in the spectra of hot stars. PANEK R.J. and SAVAGE B.D.
1976ApJ...210..153L 6 13 An analysis of the ultraviolet spectrum of the He rich star HR 3089. LESTER J.B.
1976PASP...88..905B 8 17 The He variable star HD 184927. BOND H.E. and LEVATO H.
1976IzKry..55..112L 75 7 The He abundance in the atmospheres of the stars being members of O-associations and young clusters. LYUBIMKOV L.S.
1976Natur.262..116H 6 1 31 Sig Ori E as a mass-transfer binary system. HESSER J.E., WALBORN N.R. and UGARTE P.
1976RMxAA...2...13B 72 4 Spectral classification of early-type stars. Calibration using a TV-vidicon multichannel system. BISIACCHI G.F., FIRMANI C., ORTEGA R., et al.
1976RMxAA...2...33M 23 8 A preliminary report on H alpha, OI-photometry of young objects. MENDOZA E.E.
1977A&A....58..201D 195 26 Correlations of the band at 2175 angstroms with other interstellar features. DORSCHNER J., FRIEDEMANN C. and GURTLER J.
1977ApJ...213..438C 203 261 Spectroscopic studies of O-type stars. VII. Rotational velocities V*sin(i) and evidence for macroturbulent motions. CONTI P.S. and EBBETS D.
1977ApJ...214L..79B 60 116 The digital speckle interferometer: preliminary results on 59 stars and 3C 273. BLAZIT A., BONNEAU D., KOECHLIN L., et al.
1977ApJ...214..759C 206 189 Spectroscopic studies of O-type stars. VIII. Radial velocities and the K-term. CONTI P.S., LEEP E.M. and LORRE J.J.
1977ApJ...215..159M 61 73 Speckle interferometric measurements of binary stars. I. McALISTER H.A.
1977ApJ...216L..31H 4 2 45 On the period and luminosity stability of sigma Orionis E. HESSER J.E., MORENO H. and UGARTE P.
1977ApJ...218..770K 6 1 32 The polarization of sigma Orionis E, a curious eclipsing binary. KEMP J.C. and HERMAN L.C.
1977ApJS...34..115W viz 769 180 A photometric study of the Ori OB1 association. I. Observational data. WARREN W.H. and HESSER J.E.
1977ApJS...34..207W 47 45 A photometric study of the Ori OB1 association. II. Photometric analysis. WARREN W.H. and HESSER J.E.
1977PASP...89..797A 152 47 Spectral types in the Ori OB1 association. ABT H.A. and LEVATO H.
1977PASP...89..803C 190 8 Two sparse open clusters in the region of Collinder 132. CLARIA J.J.
1977Ap.....13...71L 14 ~ Variations in the He abundance in associations and clusters of O & B stars. LYUBIMKOV L.S.
1977Ap&SS..46..357D 37 3 The ultraviolet absorption band at 2175 A : correlations with other interstellar features. DORSCHNER J., FRIEDEMANN C. and GURTLER J.
1977S&T....53..270C 13 0 A far-ultraviolet rocket survey of Ori. CARRUTHERS G.R. and OPAL C.B.
1978A&A....68..415B 12 3 184 Polarization by Thomson scattering in optically thin stellar envelopes. II. Binary and multiple star envelopes and the determination of binary inclinations. BROWN J.C., McLEAN I.S. and EMSLIE A.G.
1978A&A....69....1A 129 1 The influence of interstellar absorption on measured strengths of the Balmer discontinuity. ARDEBERG A. and VIRDEFORS B.
1978ApJ...223..908B 22 50 A search for binaries and stellar winds among the O-type stars. BOHANNAN B. and GARMANY C.D.
1978ApJS...36..115S 72 152 Interstellar titanium. STOKES G.M.
1978ApJS...36..497W 488 185 A photometric study of the Ori OB1 association. III. Subgroup analyses. WARREN W.H. and HESSER J.E.
1978ApJS...38..309H 1049 1085 Studies of luminous stars in nearby galaxies. I. Supergiants and O stars in the Milky Way. HUMPHREYS R.M.
1978MNRAS.183..215S 57 13 Infrared photometry of early-type stars. I. SMYTH M.J. and NANDY K.
1979A&AS...38..227L 139 3 Observations of the mid-ultraviolet spectrum of 138 early type stars. LAMERS H.J.G.L.M., FARAGGIANA R. and BURGER M.
1979ApJ...228..828C 15 20 The early-type semidetached system SX Aur. CHAMBLISS C.R. and LEUNG K.-C.
1979ApJ...229..942R 3 9 165 Optical evidence for a very large, expanding shell associated with the I Orion OB association, Barnard's Loop, and the high galactic latitude Halpha filaments in Eridanus. REYNOLDS R.J. and OGDEN P.M.
1979ApJ...230..469C 1 19 141 Orion's cloak: a rapidly expanding shell of gas centered on the Ori OB1 association. COWIE L.L., SONGAILA A. and YORK D.G.
1979ApJS...39..195C 174 106 Ultraviolet photometry from the orbiting astronomical observatory. XXXII. An atlas of ultraviolet stellar spectra. CODE A.D. and MEADE M.R.
1979MNRAS.189..601U 160 183 Effective temperatures,angular diameters, distances and linear radii for 160 O and B stars. UNDERHILL A.B., DIVAN L., PREVOT-BURNICHON M.L., et al.
1979PASP...91..101L 13 6 Observations of C III lam 5696 and He II lam 4686 and the transition of C III lam 5696 from absorption to emission in OB stars. LEPARSKAS H.J.A. and MARLBOROUGH J.M.
1979RMxAA...4..287E 96 15 Photometric study of trapezium-type systems. ECHEVARRIA J., ROTH M. and WARMAN J.
1980A&A....81....8D 29 22 Copernicus observations of neutral helium lines in early-type stars. DUFTON P.L. and McKEITH C.D.
1980A&A....81...37L 50 20 A survey of high-latitude regions at balloon ultraviolet wavelengths. LAGET M.
1980A&A....87...68L 79 35 Masses and mass loss from O and Of stars. LAMERS H.J.G.L.M., PAERELS F.B.S. and DE LOORE C.
1980A&AS...40..307A 339 23 A catalogue of stellar spectrophotometric data. ARDEBERG A. and VIRDEFORS B.
1980A&AS...40..395S 178 14 The fundamental physical parameters of main-sequence B type stars as derived from uvby, beta photometry. SINNERSTAD U.
1980A&AS...41..299M 101 10 An automatic procedure for a determination of the effective temperature and gravity. Application to 100 O-type stars. MOROSSI C. and CRIVELLARI L.
1980A&AS...42..185B 106 40 Speckle interferometric measurements of binary stars. BONNEAU D., BLAZIT A., FOY R., et al.
1980ApJ...242.1063G 95 298 Spectroscopic studies of O type stars. IX. Binary frequency. GARMANY C.D., CONTI P.S. and MASSEY P.
1980ApJS...43..501C viz 541 38 Ultraviolet photometry from the orbiting astronomical observatory. XXXIV. Filter photometry of 531 stars of diverse types. CODE A.D., HOLM A.V. and BOTTEMILLER R.L.
1980MNRAS.192..143M 29 14 Observations of binary stars by speckle interferometry. II. MORGAN B.L., BECKMANN G.K. and SCADDAN R.J.
1980IUE2n......201P 11 ~ Ultraviolet extinction in the Orion nebula. PATRIARCHI P. and PERINOTTO M.
1981AJ.....86.1057G 134 18 Spectroscopic studies of stars in Ori OB1 (Belt). GUETTER H.H.
1981AJ.....86.1658H 134 20 A classification system for 0-B2 stars based on the SI IV and CIV resonance lines. HENIZE K.G., WRAY J.D. and PARSONS S.B.
1981ApJ...243..204E 28 2 Observations of C III lam lam 9701-9718 in early type stars. EBBETS D. and WOLFF S.C.
1981ApJ...246..879F 80 119 The properties of close multiple stars. FEKEL F.C.
1981BICDS..21...26B 476 1 Refined data for parallax stars. BUSCOMBE W.
1981S&T....62..414M 3 3 The Orion nebulae in color. MALIN D.F.
1981SvAL....7..347K 115 3 Absolute proper motions for 117 type O stars. KARIMOVA D.K. and PAVLOVSKAYA E.D.
1982A&A...107..252B 87 23 Nitrogen anomalies in O-type stars: a new spectroscopic criterion. BISIACCHI G.F., LOPEZ J.A. and FIRMANI C.
1982A&A...116...64G 4 3 71 Shell and photosphere of sigma Ori E: new observations and improved model. GROOTE D. and HUNGER K.
1982A&AS...47..341K 546 10 Picture gallery : a structured presentation of DAO-2 photometric data supported by OAO-2 spectrophotometric data and UBV, and TD1 observations. KOORNNEEF J., MEADE M.R., WESSELIUS P.R., et al.
1982ApJ...254...82C 66 144 The local interstellar medium. CRUTCHER R.M.
1982ApJ...257..656H 1 17 86 Voyager absolute far-ultraviolet spectrophotometry of hot stars. HOLBERG J.B., FORRESTER W.T., SHEMANSKY D.E., et al.
1982ApJ...258..639L 37 150 A search for magnetic fields in normal upper-main-sequence stars. LANDSTREET J.D.
1982ApJ...263..777G viz 402 352 The initial mass function for massive stars. GARMANY C.D., CONTI P.S. and CHIOSI C.
1982ApJS...48..273M 168 37 Speckle interferometric measurements of binary stars. VI. McALISTER H.A. and HENDRY E.M.
1982MNRAS.198...45S 7 23 Bias of polarimetric estimators for binary star inclinations. SIMMONS J.F.L., ASPIN C. and BROWN J.C.
1982MNRAS.199..601A 9 2 Reappraisal of the polarimetric data for seven binaries. ASPIN C. and SIMMONS J.F.L.
1982AN....303..105G 423 6 The interstellar 2200 A band : a catalogue of equivalent widths. GURTLER J., SCHIELICKE R., DORSCHNER J., et al.
1982IUE82......370S 5 ~ Small scale structure in the interstellar medium : Orion's threadbarecloak. SHORE S.N.
1982IUE3r......379P 10 ~ Dust properties in stellar groups. PATRIARCHI P., PERINOTTO M. and BARSELLA B.
1983A&A...122..207G 49 10 Intrinsic UV colour indices of early-type stars. GALECKI Z., GRACZYK M., JANASZAK E., et al.
1983A&A...125..258D 11 23 Diffuse light near zeta Orionis and the Horsehead Nebula, and anomalous extinction of HD 37903, as measured with the ANS. DE BOER K.S.
1983ApJ...265..304C 62 58 Infrared photometry of O stars. CASTOR J.I. and SIMON T.
1983ApJ...266L..55Y 56 86 Interstellar abundances of oxygen and nitrogen. YORK D.G., SPITZER L.Jr, BOHLIN R.C., et al.
1983ApJ...268..195W 43 38 A survey of spectral morphology and rotational velocities among the helium-rich stars. WALBORN N.R.
1983MNRAS.202..317C 461 40 A survey of ultraviolet objects CARNOCHAN D.J. and WILSON R.
1983PASP...95...48M 236 8 A photometric study of early-type stars. MENDOZA V E.E., GOMEZ T., ORTEGA R., et al.
1983Ap&SS..95..193M 17 2 Computations of radial velocities for O-type stars. MISSANA M.
1983PAZh....9..559T 99 4 Interferometric observations of double stars. III. TOKOVININ A.A.
1984A&A...138..421H 10 1 54 Magnetospheres of early-type chemically peculiar magnetic stars. HAVNES O. and GOERTZ C.K.
1984ApJ...282..481M 71 39 Interstellar magnesium abundances. MURRAY M.J., DUFTON P.L., HIBBERT A., et al.
1984MNRAS.208..941H 25 33 The abundance of interstellar chlorine in the galaxy. HARRIS A.W. and BROMAGE G.E.
1984RMxAA...9...53S 69 7 Thirteen-color photometry of B-type stars. SCHUSTER W.J.
1984SAAOC...8...69C 293 25 UBV photometry of equatorial stars. COUSINS A.W.J.
1984IUE84......534C 1 ~ Stellar ultraviolet flux distributions in the 912-1200 a wavelength range. CARRUTHERS G.R., HECKATHORN H.M. and OPAL C.B.
1985A&AS...60...99W 2021 79 The local system of early type stars. Spatial extent and kinematics. WESTIN T.N.G.
1985A&AS...60..315V 239 3 Photographic observations of visual double stars. VAN ALBADA-VAN DIEN E.
1985A&AS...61..483T 136 33 Interferometric observations of double stars in 1983 and 1984. TOKOVININ A.A.
1985ApJ...294..599S 245 251 Galactic interstellar abundance surveys with IUE. I. Neutral hydrogen SHULL J.M. and VAN STEENBERG M.E.
1985ApJ...298..838F 76 152 Na I as a tracer of H I in the diffuse interstellar medium. FERLET R. and VIDAL-MADJAR A.
1985ApJ...299..905M 27 25 The intrinsic ultraviolet continua of O stars. MASSA D. and SAVAGE B.D.
1985ApJS...57...63M 143 51 An empirical H-gamma luminosity calibration for class V-III stars. MILLWARD C.G. and WALKER G.A.H.
1985ApJS...59..397S viz 1282 133 A catalog of ultraviolet interstellar extinction excesses for 1415 stars. SAVAGE B.D., MASSA D., MEADE M., et al.
1985MNRAS.215p..75W 6 ~ Polarimetric evidence against a collimated outflow in the Horsehead nebula. WARREN-SMITH R.F., GLEDHILL T.M. and SCARROTT S.M.
1985AbaOB..59...83B 1592 43 Catalogue of the energy distribution data in spectra of stars in the uniform spectrophotometric system. BURNASHEV V.I.
1985AbaOB..59..149S 22 0 The work with astronomical data catalogues for compilation of Abastumani catalogue of Trapezium type multiple systems and their investigation. SALUKVADZE G.N.
1985Afz....22...75R 113 1 An improvement of the MK classification using continuous spectra and the average energy distributions of O9 -A0 stars. RUBAN E.V.
1985Ap&SS.110..153M 21 1 Trapezium-type multiple systems. MIRZOYAN L.V. and SALUKVADZE G.N.
1985Ap&SS.113..391S 111 2 Identification of infrared sources in the IRAS circulars. SEAL P.
1986A&A...164..179D 51 22 The abundance of phosphorus in the interstellar medium. DUFTON P.L., KEENAN F.P. and HIBBERT A.
1986A&A...166..271K 36 16 Interstellar extinction curve. The profile of very broad structure. KRELOWSKI J., MASZKOWSKI R. and STROBEL A.
1986A&AS...64..391V 56 116 Chemical equilibrium from diffuse to dense interstellar clouds. I. Galactic molecular clouds. VIALA Y.P.
1986A&AS...65...27B 105 36 Speckle interferometric measurements of binary stars. III. BONNEAU D., BALEGA Y., BLAZIT A., et al.
1986A&AS...66...63T 257 38 The spectral energy distribution of early type stars. I. A catalogue of photometric data of 259 stars from 0.15 to 4.8 mu.m. THE P.S., WESSELIUS P.R. and JANSSEN I.M.H.H.
1986ApJ...301..355J 87 182 Abundances of interstellar atoms from ultraviolet absorption lines. JENKINS E.B., SAVAGE B.D. and SPITZER L.Jr
1986ApJ...308..240H 39 22 A survey of interstellar sulfur abundance and implications for P II oscillator strengths. HARRIS A.W. and MAS-HESSE J.M.
1986AnTok..21..107Y viz 1060 1 Catalog of O-B stars observed with Tokyo meridian circle during the period 1971-1979. YASUDA H., HARA H., FUKAYA R., et al.
1986AZh....63..606D 27 0 Speckle interferometric measurements of binaries with the BTA telescope. DUDINOV V.N., KUZ'MENKOV S.G., KONICHEK V.V., et al.
1986Ap&SS.118..321S 22 0 Trapezium-type multiple systems. SALUKVADZE G.N.
1987AJ.....93..688M 1080 137 ICCD speckle observations of binary stars. II. Measurements during 1982-1985 from the Kitt Peak 4 m telescope. McALISTER H.A., HARTKOPF W.I., HUTTER D.J., et al.
1987ApJS...64..545G 191 214 The kinematical and binary properties of association and field O stars. GIES D.R.
1987AbaOB..62...57S 14 4 The kinematics of Trapezium type multiple stellar systems. SALUKVADZE G.N.
1987S&T....74..465K 35 0 The spectacular O stars. KALER J.B.
1988A&A...194..197W 55 17 A differential analysis of UV photospheric lines of OBN and OBC stars. WOLLAERT J.P.M., LAMERS H.J.G.L.M. and DE JAGER C.
1988A&AS...72..563T 187 19 Interferometric observations of double stars in 1985 and 1986. TOKOVININ A.A. and ISMAILOV R.M.
1988ApJ...326..356L 149 157 H-alpha as a tracer of mass loss from OB stars. LEITHERER C.
1988ApJ...330..942V 261 86 Galactic interstellar abundance surveys with the IUE. III. Silicon, manganese, iron, sulfur, and zinc. VAN STEENBERG M.E. and SHULL J.M.
1988ApJ...335..197V 297 6 IUE-IRAS studies of the infrared cirrus. VAN STEENBERG M.E. and SHULL J.M.
1988ApJS...67..225V 261 37 Galactic interstellar abundance surveys with IUE. II. The equivalent widths and column densities. VAN STEENBERG M.E. and SHULL J.M.
1989A&A...224...57H 1 4 21 The distance of the helium-variable B star HD 37479. HUNGER K., HEBER U. and GROOTE D.
1989A&AS...77..497B 221 31 Etoiles doubles orbitales a composantes variables. BAIZE P. and PETIT M.
1989A&AS...78..511P 1221 3 Stellar integrated fluxes in the wavelength range 380 nm - 900 nm derived from Johnson 13-colour photometry. PETFORD A.D. and BLACKWELL D.E.
1989A&AS...81..115T 237 10 The spectral energy distribution of early-type stars. II. The extinction law towards O-type stars. THE P.S., DE WINTER D., ARENS M., et al.
1989AJ.....97..510M 1280 104 ICCD speckle observations of binary stars. IV. Measurements during 1986-1988 from the Kitt Peak 4m telescope. McALISTER H.A., HARTKOPF W.I., SOWELL J.R., et al.
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...340..762E 114 61 The density distribution of refractory elements away from the galactic plane. EDGAR R.J. and SAVAGE B.D.
1989ApJ...341..427C 229 192 The EINSTEIN X-ray Observatory catalog of O-type stars. CHLEBOWSKI T., HARNDEN F.R.Jr and SCIORTINO S.
1989ApJ...344..350L 75 145 OH and H2O observations of cold IRAS stars. LIKKEL L.
1989ApJS...69..527H 200 509 The stellar winds of 203 galactic O stars: a quantitative ultraviolet survey. HOWARTH I.D. and PRINJA R.K.
1989AN....310..281K 43 12 Interstellar extinction curves originated in single clouds. KRELOWSKI J. and WEGNER W.
1990A&AS...85..915D viz 5257 19 Walraven photometry of nearby southern OB associations. DE GEUS E.J., LUB J. and VAN DE GRIFT E.
1990AJ.....99..323B 136 16 Estimation of the equivalent width of the interstellar Ca II K absorption line. BEERS T.C.
1990AJ.....99..965M 1045 87 ICCD speckle observations of binary stars. V. Measurements during 1988-1989 from the Kitt Peak and the Cerro Tololo 4m telescopes. McALISTER H.A., HARTKOPF W.I. and FRANZ O.G.
1990AJ....100..572D 18 25 Radio-continuum observations of a small sample of hot stars. DRAKE S.A.
1990MNRAS.246..392P 296 19 Photospheric absorption lines in the UV spectra of O and B type stars. PRINJA R.K.
1990Afz....33..395G 106 7 Radial systems of dark globules. I. GYULBUDAGYAN A.L. and AKOPYAN V.A.
1990BICDS..38..175K 662 7 Close binaries observed polarimetrically. KOCH R.H.
1991A&A...245..150Z 268 83 Absolute magnitudes of B emission line stars : correlation between the luminosity excess and the effective temperature. ZOREC J. and BRIOT D.
1991A&A...246..153L 140 94 CCO observations of cold IRAS objects: AGB and post-AGB stars. LIKKEL L., FORVEILLE T., OMONT A., et al.
1991A&AS...90..327T viz 14       D               1 2734 185 1612 MHz OH survey of IRAS point sources. I. Observations made at Dwingeloo, Effelsberg and Parkes. TE LINTEL HEKKERT P., CASWELL J.L., HABING H.J., et al.
1991ApJ...368..241C 119 185 On winds and X-rays of O-type stars. CHLEBOWSKI T. and GARMANY C.D.
1991ApJS...75..965M 102 67 Spectroscopic binaries in the Orion OB1 association. MORRELL N. and LEVATO H.
1991Ap&SS.183...91T 519 18 The stellar temperature scale for stars of spectral types from 08 to F6 and the standard deviation of the MK spectral classification. THEODOSSIOU E. and DANEZIS E.
1991S&W....30..649K 7 0 Staub im interlaktischen Raum ? KLOSE S. and MARX S.
1992A&AS...92....1G viz 241 49 Secondary spectrophotometric standards. GLUSHNEVA I.N., KHARITONOV A.V., KNYAZEVA L.N., et al.
1992A&AS...93..449B 65 11 Narrow band multicolor photometry of reddened and unreddened early-type stars. BASTIAANSEN P.A.
1992ApJ...388..495B 39 11 Dense clumps of ionized gas near pi Scorpii, as revealed by the fine-structure excitation of N II. BERTOLDI F. and JENKINS E.B.
1992ApJ...393..341L 71 62 Radio emission from chemically peculiar stars. LINSKY J.L., DRAKE S.A. and BASTIAN T.S.
1992AZh....69..250P 132 3 Groups of stars with common motion in the Galaxy. Groups of stars of O and B spectral classes. PAVLOVSKAYA E.D. and FILIPPOVA A.A.
1992PPMtO..11..184X 1205 0 Corrections to the right ascension to be applied to the apparent places of 1217 stars given in "The Chinese Astronomical Almanach" for the year 1984 to 1992. XIAN D.-Z., LI N.-Y. and YAO H.-Y.
1993A&AS..100..413H 103 43 A systematic study of IRAS selected proto-planetary nebula candidates. I. Selection of a sample and obervations of the southern objects. HU J.Y., SLIJKHUIS S., DE JONG T., et al.
1993AJ....106..352H viz 952 31 ICCD speckle observations of binary stars. VIII. Measurements during 1989-1991 from Cerro Tololo 4m telescope. HARTKOPF W.I., MASON B.D., BARRY D.J., et al.
1993ApJ...405..268Y 6 20 Hard X-rays from the Orion nebula region. YAMAUCHI S. and KOYAMA K.
1993ApJ...418..749R 212 79 Synthetic UV lines of Si IV, C IV and He II from a population of massive stars in starburst galaxies. ROBERT C., LEITHERER C. and HECKMAN T.M.
1993ApJ...419..190Z 8 22 The [C II] 158 micron emission from the Horsehead nebula. ZHOU S., JAFFE D.T., HOWE J.E., et al.
1993ApJS...89..259S viz 629 9 Far-ultraviolet stellar photometry: a field in Orion. SCHMIDT E.G. and CARRUTHERS G.R.
1993ApJS...89..293V 339 42 MK spectral types for OB+ stars in the southern Milky Way. VIJAPURKAR J. and DRILLING J.
1993PASP..105.1127G viz 302 48 The distribution of interstellar dust in the solar neighborhood. GAUSTAD J.E. and VAN BUREN D.
1993AcA....43...53W 67 2 Rotational velocity of Be stars correlated with extinction law. WEGNER W., PAPAJ J. and KRELOWSKI J.
1993S&T....85a..48H 10 0 A binocular star-hop in Orion. HARRINGTON P.
1993BSAO...35....9B 52 4 Television speckle interferometry of binary stars at the Zeiss-1000 telescope. BALEGA I.I., BALEGA Y.Y., BELKIN I.N., et al.
1994A&A...283..908L 49 26 Radio emission from magnetic chemically peculiar stars: results of the 1992 VLA survey. LEONE F., TRIGILIO C. and UMANA G.
1994A&A...290..435B 108 T K                 5 30 A long-term X-ray variability study of the O-type stars σ Orionis and ζ Orionis. BERGHOEFER T.W. and SCHMITT J.H.M.M.
1994AJ....108.2299H viz 14       D               730 31 ICCD speckle observations of binary stars. XI. Measurements during 1991-1993 from the Kitt Peak 4 m telescope. HARTKOPF W.I., McALISTER H.A., MASON B.D., et al.
1994ApJ...424..748C 55 48 The depletion of calcium in the interstellar medium. CRINKLAW G., FEDERMAN S.R. and JOSEPH C.L.
1994ApJ...436..152W 38 146 A high-resolution survey of interstellar Na I D1 lines. WELTY D.E., HOBBS L.M. and KULKARNI V.P.
1994ApJS...93..211D viz 555 244 An IUE survey of interstellar H I Ly-alpha absorption. I. Column densities. DIPLAS A. and SAVAGE B.D.
1994ApJS...94..127F viz 14       D               595 120 The distribution of neutral hydrogen in the interstellar medium. I. The data. FRUSCIONE A., HAWKINS I., JELINSKY P., et al.
1994PASP..106..382D viz 151 53 An atlas of southern MK standards from 5800 to 10,200 A1. DANKS A.C. and DENNEFELD M.
1994Ap.....37..317G 71 2 On the connection between radial systems of dark globules and stellar associations. GYUL'BUDAGYAN A.L., OGANYAN G.B. and AKHVERDYAN L.G.
1994Ap&SS.221..309B 1 2 13 ROSAT X-ray light curves of early-type stars. BERGHOEFER T.W. and SCHMITT J.H.M.M.
1994PASJ...46..473Y 16 5 Ginga observation of the Orion B cloud region. YAMAUCHI S., KOYAMA K. and INDA-KOIDE M.
1995A&A...295..136H 12 20 The stellar wind of an O8.5I(f) star in M31. A determination of mass loss rate and metallicity. HASER S.M., LENNON D.J., KUDRITZKI R.-P., et al.
1995A&A...296L..21F 75 10 ROSAT X-ray observations of the stellar clusters in NGC 2023 and NGC 2024. FREYBERG M.J. and SCHMITT J.H.M.M.
1995A&AS..109..177W viz 2981 50 Radio continuum emission from stars: a catalogue update. WENDKER H.J.
1995A&AS..110..553S viz 236 30 The determination of Teff of B, A and F main sequence stars from the continuum between 3200 A and 3600 A. SOKOLOV N.A.
1995A&AS..114..269D viz 14       D               1 20880 127 Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue. DUFLOT M., FIGON P. and MEYSSONNIER N.
1995A&AS..114..487J viz 223 3 Photographic observations of visual double stars. JASINTA D.M.D., RAHARTO M. and SOEGIARTINI E.
1995AJ....110..753G 41 72 Speckle imaging measurements of the relative tangential velocities of the components of T Tauri binary stars. GHEZ A.M., WEINBERGER A.J., NEUGEBAUER G., et al.
1995MNRAS.276..923R 42 8 A study of the Orion cometary cloud L 1616. RAMESH B.
1995BAAS...27.1328W 1 ~ Rotational studies of naked T Tauri stars. WOLK S.J.
1996A&A...307..915K 1 16 55 Structure and excitation conditions of the southern part of the Orion B molecular cloud: a CO multiline study. KRAMER C., STUTZKI J. and WINNEWISSER G.
1996A&A...310..577W 14 19 ROSAT X-ray observations of the Wolf-Rayet star HD 50896 (WN 5). WILLIS A.J. and STEVENS I.R.
1996A&A...314..430F 416 14 Derivation of the galactic rotation curve using space velocities. FRINK S., FUCHS B., ROESER S., et al.
1996A&A...314..453D 12 31 The initial mass function and the dynamical evolution of open clusters. III. With primordial binaries. DE LA FUENTE MARCOS R.
1996A&AS..115..311L 15 1 Optical positions and proper motions of radio stars obtained at Shanghai Observatory. LU P.-Z. and XU T.
1996A&AS..118..239H viz 610 1 The photoelectric astrolabe catalogue of Yunnan Observatory (YPAC). HU H., LI D., LI Y., et al.
1996A&AS..118..481B viz 1825 142 The ROSAT all-sky survey catalogue of optically bright OB-type stars. BERGHOEFER T.W., SCHMITT J.H.M.M. and CASSINELLI J.P.
1996AJ....111..370H viz 42 118 Binary star orbits from speckle interferometry. VIII. Orbits of 37 close visual systems. HARTKOPF W.I., MASON B.D. and McALISTER H.A.
1996ApJ...459..209B 1 19 106 A study of absorption features in the 3 micron spectra of molecular cloud sources with H2O ice bands. BROOKE T.Y., SELLGREN K. and SMITH R.G.
1996ApJ...463..737P 173 152 Projected rotational velocities of O-type stars. PENNY L.R.
1996ApJS..106..533W 1 45 139 A high-resolution survey of interstellar Ca II absorption. WELTY D.E., MORTON D.C. and HOBBS L.M.
1996ApJS..107..281H viz 181 245 A spectral atlas of hot, luminous stars at 2 microns. HANSON M.M., CONTI P.S. and RIEKE M.J.
1996BaltA...5..603A viz 631 45 The Pulkovo spectrophotometric catalog of bright stars in the range from 320 to 1080 nm. ALEKSEEVA G.A., ARKHAROV A.A., GALKIN V.D., et al.
1997A&A...322..878F 18 4 226 A possible origin for X-rays from O stars. FELDMEIER A., PULS J. and PAULDRACH A.W.A.
1997A&A...323L..49P viz 14       D               1 118218 2266 The Hipparcos Catalogue. PERRYMAN M.A.C., LINDEGREN L., KOVALEVSKY J., et al.
1997A&AS..124...75T viz 14       D               5 1452 196 MSC - a catalogue of physical multiple stars. TOKOVININ A.A.
1997AJ....113.1884S 161 2 Photovisual magnitude differences for 169 double stars. STRAND K.A. and KALLARAKAL V.V.
1997AJ....114.2117H 87 21 CCD speckle observations of binary stars from the southern hemisphere. HORCH E.P., NINKOV Z. and SLAWSON R.W.
1997ApJ...487..380T 79 21 A survey for Hα emission in massive binaries: the search for colliding wind candidates. THALLER M.L.
1997ApJ...489..698H 326 180 The young massive stellar objects of M17. HANSON M.M., HOWARTH I.D. and CONTI P.S.
1997ApJ...490L.165W 1 11 56 Near-infrared spectroscopy of G29.96-0.02: the first spectral classification of the ionizing star of an ultracompact H II region. WATSON A.M. and HANSON M.M.
1997ApJS..108..545L viz 540 56 An all-sky catalog of faint extreme ultraviolet sources. LAMPTON M., LIEU R., SCHMITT J.H.M.M., et al.
1997ApJS..111..335H 47 52 Orbits of 40 visual binaries. HEINTZ W.D.
1997MNRAS.284..265H viz 346 264 Cross-correlation characteristics of OB stars from IUE spectroscopy. HOWARTH I.D., SIEBERT K.W., HUSSAIN G.A.J., et al.
1998A&A...333L..27D 2 7 42 Searching for open cluster remnants. DE LA FUENTE MARCOS R.
1998A&AS..129..289M viz 130 28 Long-term visual spectrophotometric behaviour of Be stars. MOUJTAHID A., ZOREC J., HUBERT A.M., et al.
1998A&AS..129..431H viz 14       D               38782 440 uvbyβ photoelectric photometric catalogue. HAUCK B. and MERMILLIOD M.
1998AJ....115..821M 264 294 ICCD speckle observations of binary stars. XIX. An Astrometric/Spectroscopic survey of O stars. MASON B.D., GIES D.R., HARTKOPF W.I., et al.
1998AJ....116.1915H 35 52 Near-infrared H-band features in late O and B stars. HANSON M.M., RIEKE G.H. and LUHMAN K.L.
1998ApJS..115..271R viz 12230 34 UBV beta database for Case-Hamburg Northern and Southern Luminous Stars. REED B.C.
1998CoSka..27..382D 7 9 Proceedings of the 26th Meeting and Workshop of the European Working Group on CP stars, Vienna, Austria, October 27-29, 1997. High-energy phenomena in magnetic CP stars as revealed by their X-ray and radio emission. DRAKE S.A.
1998Natur.396..343R 37 73 Protostellar jets irradiated by massive stars. REIPURTH B., BALLY J., FESEN R.A., et al.
1998ARep...42...60K viz 102 2 On the normal spectral energy distribution of stars: spectral types O9-B5. KNYAZEVA L.N. and KHARITONOV A.V.
1998PASA...15...91O 94 37 Remnant molecular clouds in the Ori OB 1 association. OGURA K. and SUGITANI K.
1999A&AS..137..113V viz 1206 2 Five-colour photometry of OB-stars in the Southern Hemisphere. VAN HOUTEN C.J., WALRAVEN T. and WALRAVEN J.H.
1999A&AS..137..521M viz 133 46 High resolution spectroscopy over λλ 8500-8750 A for GAIA. I. Mapping the MKK classification system. MUNARI U. and TOMASELLA L.
1999AJ....117..354D viz 1276 1028 A Hipparcos census of the nearby OB associations. DE ZEEUW P.T., HOOGERWERF R., DE BRUIJNE J.H.J., et al.
1999AJ....117..548H viz 177 34 Speckle observations of binary stars with the WIYN telescope. I. Measures during 1997. HORCH E., NINKOV Z., VAN ALTENA W.F., et al.
1999MNRAS.310..331M 133 22 New Herbig-Haro objects and giant outflows in Orion. MADER S.L., ZEALEY W.J., PARKER Q.A., et al.
1999AcApS..19..193S 127 2 CCD spectra of MK standards and a preliminary extension of the MK classification to the yellow-red region. SHI H.-M. and HU J.-Y.
1999Ap&SS.261..205D 3 ~ The influence of mass loss on the eccentricity of double star orbits. DOCOBO J.A., PRIETO C. and LING J.F.
1999PSci..260...90A 4 0 Le ciel infrarouge vu de l'espace. ABERGEL A., BOULANGER F., LAGACHE G., et al.
2000A&A...353..186A 123 54 High-resolution spectroscopy of ROSAT low-mass pre-main sequence stars in Orion. ALCALA J.M., COVINO E., TORRES G., et al.
2000AJ....119.2403T 45 54 Binary star differential photometry using the adaptive optics system at Mount Wilson observatory. TEN BRUMMELAAR T., MASON B.D., McALISTER H.A., et al.
2000AJ....120.2638H viz 150 9 CCD speckle observations of binary stars from the southern hemisphere. II. Measures from the Lowell-Tololo telescope during 1999. HORCH E., FRANZ O.G. and NINKOV Z.
2000ApJ...538..275J 17 15 The properties of molecular hydrogen toward the Orion belt stars from observations by the interstellar medium absorption profile spectrograph. JENKINS E.B., WOZNIAK P.R., SOFIA U.J., et al.
2000MNRAS.313L..23P 2 6 39 The discovery of a low-mass, pre-main-sequence stellar association around γ Velorum. POZZO M., JEFFRIES R.D., NAYLOR T., et al.
2000MNRAS.314..681R 1 6 20 The emergence of a neutral Herbig-Haro jet into a photoionized nebula. RAGA A., LOPEZ-MARTIN L., BINETTE L., et al.
2000AGAb...17R..10M 73 T                   2 ~ Discovery of very young free-floating giant planets in the sigma Orionis cluster. MUNDT R., BAILER-JONES C.A.L., ZAPATERO OSORIO M.R., et al.
2000Sci...290..103Z 3 25 231 Discovery of young, isolated planetary mass objects in the sigma Orionis star cluster. ZAPATERO OSORIO M.R., BEJAR V.J.S., MARTIN E.L., et al.
2000RMxAC...9..191R 6 1 The theory of photoionized jets. RAGA A.C., LOPEZ-MARTIN L., LOPEZ J.A., et al.
2000AAS...197.1003S 5 0 Clusters of low-mass pre-main sequence stars, mass functions, and candidate brown dwarfs in Orion's belt. SHERRY W.H., WALTER F.M. and WOLK S.J.
2000AAS...197.1011B 73 T                   3 1 A deep objective prism survey for classical T Tauri stars in the sigma Orionis region. BABCOCK A. and WEAVER W.B.
2001A&A...367..521P viz 6129 68 Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics. PASINETTI FRACASSINI L.E., PASTORI L., COVINO S., et al.
2001A&A...371.1118L 73 T                   5 9 The structure and kinematics of the HH 444 photoionized jet in the σ Orionis region. LOPEZ-MARTIN L., RAGA A.C., LOPEZ J.A., et al.
2001A&A...373.1009O 1 5 16 Modelling X-ray variability in the structured atmospheres of hot stars. OSKINOVA L.M., IGNACE R., BROWN J.C., et al.
2001A&A...376.1073M 8 7 Optically thick Herbig-Haro jets in photoionized regions. MASCIADRI E. and RAGA A.C.
2001A&A...377L...9B 38   K                 18 63 Optical spectroscopy of isolated planetary mass objects in the σ Orionis cluster. BARRADO Y NAVASCUES D., ZAPATERO OSORIO M.R., BEJAR V.J.S., et al.
2001AJ....121.1583H 138 25 CCD speckle observations of binary stars from the southern hemisphere. III. Differential photometry. HORCH E., NINKOV Z. and FRANZ O.G.
2001ApJ...556..830B 73 T                   73 159 The substellar mass function in σ Orionis. BEJAR V.J.S., MARTIN E.L., ZAPATERO OSORIO M.R., et al.
2001ApJS..133..345W 60 122 A high-resolution survey of interstellar K I absorption. WELTY D.E. and HOBBS L.M.
2001MNRAS.322L...1S 4 2 28 Free-floating planets in stellar clusters? SMITH K.W. and BONNELL I.A.
2001MNRAS.328..555P 27 26 An ultra-high-resolution study of the interstellar medium towards Orion. PRICE R.J., CRAWFORD I.A., BARLOW M.J., et al.
2001ARA&A..39..403R 132 394 Herbig-Haro flows : probes of early stellar evolution. REIPURTH B. and BALLY J.
2001AGAb...18Q.180M 73 T                   1 ~ X-ray and radio emission from very low mass objects in sigma Ori. MOKLER F., STELZER B. and NEUHAEUSER R.
2001JBIS...54...19T 18 5 Planets without stars : the probable abundance, nature, and significance of ISPs. TAYLOR R.L.S.
2001Sci...291...93B 2 12 95 The CIDA-QUEST Large-Scale Survey of Orion OB1: evidence for rapid disk dissipation in a dispersed stellar population. BRICENO C., VIVAS A.K., CALVET N., et al.
2001RMxAC..10...61L 73 T                   4 0 Theory and observations of a jet in the sigma Orionis region: HH 444. LOPEZ-MARTIN L., RAGA A.C., LOPEZ J.A., et al.
2002A&A...382L..22O 75 T       O           7 49 No disks around low-mass stars and brown dwarfs in the young σ Orionis cluster? OLIVEIRA J.M., JEFFRIES R.D., KENYON M.J., et al.
2002A&A...384..180F viz 15       D               3742 98 The Tycho double star catalogue. FABRICIUS C., HOG E., MAKAROV V.V., et al.
2002A&A...384..473L viz         O           76 28 An atlas of 2.4 to 4.1µm ISO/SWS spectra of early-type stars. LENORZER A., VANDENBUSSCHE B., MORRIS P., et al.
2002A&A...384..521A 22 12 Characterization of low-mass pre-main sequence stars in the Southern Cross. ALCALA J.M., COVINO E., MELO C., et al.
2002A&A...388..309L 29 1 A revised HRD for individual components of binary systems from BaSeL BVRI synthetic photometry Influence of interstellar extinction and stellar rotation. LASTENNET E., FERNANDES J. and LEJEUNE T.
2002A&A...389..239A 1 11 46 Evolution of very small particles in the southern part of Orion B observed by ISOCAM. ABERGEL A., BERNARD J.P., BOULANGER F., et al.
2002A&A...391.1025M 73 T                   38 35 X-ray emission near the substellar limit: The σ Orionis and Taurus star forming regions. MOKLER F. and STELZER B.
2002AJ....123.3442H 273 39 Speckle observations of binary stars with the WIYN telescope. II. Relative astrometry measures during 1998-2000. HORCH E.P., ROBINSON S.E., MEYER R.D., et al.
2002ApJ...566..315H 25 39 Mass loss and jet outflow in the Orion nebula proplyd LV 2. HENNEY W.J., O'DELL C.R., MEABURN J., et al.
2002ApJ...574..762P 57 45 A dozen colliding-wind X-ray binaries in the star cluster R136 in the 30 Doradus region. PORTEGIES ZWART S.F., POOLEY D. and LEWIN W.H.G.
2002ApJ...578..523T 12 28 Substellar function of young open clusters as determined through a statistical approach using Two Micron All Survey and Guide Star Catalog data. TEJ A., SAHU K.C., CHANDRASEKHAR T., et al.
2002MNRAS.335L..79D 1 7 37 The missing M dwarfs. DOBBIE P.D., PINFIELD D.J., JAMESON R.F., et al.
2002S&T...104b..32K 75 0 The puzzles of planethood. KAISLER D.
2002RMxAC..13....1B 51 5 Recent developments in the study of Herbig-Haro objects. BALLY J. and REIPURTH B.
2002BaltA..11..153B viz 832 11 Kinematics of Hipparcos visual binaries. II. Stars with ground-based orbital solutions. BARTKEVICIUS A. and GUDAS A.
2002yCat.2237....0D viz 15       D               1 3850 43 Catalogue of Stellar Photometry in Johnson's 11-color system. DUCATI J.R.
2003A&A...405L..33V 112 T K                 11 33 Discovery of a dust cloud next to
σ Orionis. 		VAN LOON J.T. and OLIVEIRA J.M.
2003A&A...410..577A 1 7 40 ISOCAM and molecular observations of the edge of the Horsehead nebula. ABERGEL A., TEYSSIER D., BERNARD J.P., et al.
2003A&A...411..447L viz 571 216 3D mapping of the dense interstellar gas around the Local Bubble. LALLEMENT R., WELSH B.Y., VERGELY J.-L., et al.
2003AJ....125.2108P 15 42 Looking into the Horsehead. POUND M.W., REIPURTH B. and BALLY J.
2003AJ....125.2531R viz 15       D               18370 67 Catalog of galactic OB stars. REED B.C.
2003AJ....126.1423K viz 1345 26 Observations of star-forming regions with the Midcourse Space Experiment. KRAEMER K.E., SHIPMAN R.F., PRICE S.D., et al.
2003AJ....126.1916P viz 92 89 A catalog of young stellar groups and clusters within 1 kiloparsec of the Sun. PORRAS A., CHRISTOPHER M., ALLEN L., et al.
2003ApJ...593L.113M 112 T K                 8 32 Spectroscopic estimate of surface gravity for a planetary member in the σ Orionis cluster. MARTIN E.L. and ZAPATERO OSORIO M.R.
2003MNRAS.346..473K 24 37 A search for short time-scale I -band variability in ultracool dwarfs. KOEN C.
2003MmSAI..74..870B 3 2 Large scale variability surveys from Venezuela: Orion OB1 and beyond. BRICENO C., CALVET N., VIVAS A.K., et al.
2004A&A...417..135T 1 17 64 Carbon budget and carbon chemistry in Photon Dominated Regions. TEYSSIER D., FOSSE D., GERIN M., et al.
2004A&A...418..235G 2 5 35 Discovery of X-ray flaring on the magnetic Bp-star σ Ori E. GROOTE D. and SCHMITT J.H.M.M.
2004A&A...418..663O 111 T K                 19 11 Mid-infrared observations of young stellar objects in the vicinity of σ Orionis. OLIVEIRA J.M. and VAN LOON J.T.
2004A&A...419..249S viz 143 101 Rotation and accretion of very low mass objects in the σ Ori cluster. SCHOLZ A. and EISLOEFFEL J.
2004A&A...421..715S 112 T K                 13 50 XMM-Newton observations of the σ Ori cluster. I. The complex RGS spectrum of the hot star σ Ori AB. SANZ-FORCADA J., FRANCIOSINI E. and PALLAVICINI R.
2004A&A...424..857C 37   K                 34 58 Photometric variability of young brown dwarfs in the σ Orionis open cluster. CABALLERO J.A., BEJAR V.J.S., REBOLO R., et al.
2004A&A...426..535M 92 33 A radio and mid-infrared survey of northern bright-rimmed clouds. MORGAN L.K., THOMPSON M.A., URQUHART J.S., et al.
2004A&A...428..149S viz 162 23 On the Hipparcos parallaxes of O stars. SCHROEDER S.E., KAPER L., LAMERS H.J.G.L.M., et al.
2004AJ....127.1727H viz 268 35 Speckle observations of binary stars with the WIYN telescope. IV. Differential photometry. HORCH E.P., MEYER R.D. and VAN ALTENA W.F.
2004AJ....128.2316S viz 111 T K                 262 94 Photometric identification of the low-mass population of Orion OB1b. I. The σ Orionis cluster. SHERRY W.H., WALTER F.M. and WOLK S.J.
2004ApJ...604..827B 38   K                 14 46 S Orionis 70: just a foreground field brown dwarf? BURGASSER A.J., KIRKPATRICK J.D., McGOVERN M.R., et al.
2004ApJ...606..353A 74 T                   39 27 The irradiated Herbig-Haro jets near σ Orionis. ANDREWS S.M., REIPURTH B., BALLY J., et al.
2004ApJ...610.1064B viz 185 54 The substellar population of the young cluster λ Orionis. BARRADO Y NAVASCUES D., STAUFFER J.R., BOUVIER J., et al.
2004ApJS..151..103M viz 388 155 A galactic O star catalog. MAIZ-APELLANIZ J., WALBORN N.R., GALUE H.A., et al.
2004PASP..116.1035W 74 T                   66 13 A deep objective prism survey for classical T Tauri stars in the σ Orionis region. WEAVER W.B. and BABCOCK A.
2004BASI...32...87T 23 0 Extra-solar system planets: searches, discoveries and characteristics. TRIMBLE V.
2004MmSAI..75..434P 33 7 XMM-Newton EPIC observations of stellar cluster and star forming regions. PALLAVICINI R., FRANCIOSINI E. and RANDICH S.
2004AAS...20510517S 74 T                   3 4 Chandra X-ray imaging and spectroscopy of the
sigma Orionis cluster and its massive OB stars. 		SKINNER S., COHEN D., GAGNE M., et al.
2005A&A...429.1007S viz 151 60 Rotation and variability of very low mass stars and brown dwarfs near ε Ori. SCHOLZ A. and EISLOEFFEL J.
2005A&A...432..199S 12 23 Spectroscopic analysis of tremendous-outburst-nova candidates. SCHMIDTOBREICK L., TAPPERT C., BIANCHINI A., et al.
2005A&A...435..885P 5 10 104 Are PAHs precursors of small hydrocarbons in photo-dissociation regions? The Horsehead case. PETY J., TEYSSIER D., FOSSE D., et al.
2005A&A...436..853L viz 22170 12 A near-infrared survey for new low-mass members in α Per. LODIEU N., McCAUGHREAN M.J., BARRADO Y NAVASCUES D., et al.
2005A&A...437..177H 4 5 49 Density structure of the Horsehead nebula photo-dissociation region. HABART E., ABERGEL A., WALMSLEY C.M., et al.
2005A&A...438..675S         O           10 18 Constraining the properties of spots on Pleiades very low mass stars. SCHOLZ A., EISLOEFFEL J. and FROEBRICH D.
2005A&A...440..261R 31 50 Quantitative H and K band spectroscopy of Galactic OB-stars at medium resolution. REPOLUST T., PULS J., HANSON M.M., et al.
2005A&A...440..909H 14 18 Velocity field and star formation in the Horsehead nebula. HILY-BLANT P., TEYSSIER D., PHILIPP S., et al.
2005AJ....130.1652R viz 15       D               18338 31 New estimates of the solar-neighborhood massive star birthrate and the galactic supernova rate. REED B.C.
2005AJ....130.1752M 29 6 Photometric accretion signatures near the substellar boundary. McGEHEE P.M., WEST A.A., SMITH J.A., et al.
2005ApJ...625..385A 5 7 77 The substellar mass function: a Bayesian approach. ALLEN P.R., KOERNER D.W., REID I.N., et al.
2005ApJ...627..845P 32 5 A parsec-scale outflow in the Rosette Molecular Cloud. PHELPS R.L. and YBARRA J.E.
2005ApJS..161..154H viz 1         O           43 105 A medium resolution near-infrared spectral atlas of O and early-B stars. HANSON M.M., KUDRITZKI R.-P., KENWORTHY M.A., et al.
2005MNRAS.356...89K viz 112 T K                 94 75 Membership, binarity and accretion among very low-mass stars and brown dwarfs of the σ Orionis cluster. KENYON M.J., JEFFRIES R.D., NAYLOR T., et al.
2005MNRAS.356.1583B viz 112 T K                 64 28 Contamination and exclusion in the σ Orionis young group. BURNINGHAM B., NAYLOR T., LITTLEFAIR S.P., et al.
2005MNRAS.363.1111C viz 15       D               1 2120 23 Tycho-2 stars with infrared excess in the MSX Point Source Catalogue. CLARKE A.J., OUDMAIJER R.D. and LUMSDEN S.L.
2005PASP..117...13S 4 2 18 A revised geometry for the magnetic wind of θ1 Orionis C. SMITH M.A. and FULLERTON A.W.
2005AN....326..895S 8 4 Rotation and variability of young very low-mass objects. SCHOLZ A., JAYAWARDHANA R., EISLOEFFEL J., et al.
2005AN....326.1007C 1 11 23 Ultra low-mass star and substellar formation in sigma Orionis. CABALLERO J.A.
2005Msngr.120...37H 7 0 The Horsehead Nebula: A beautiful case. HABART E., WALMSLEY M. and ABERGEL A.
2005ARep...49..526A 80 1 Variability of stars in the Pulkovo spectrophotometric catalog. ARKHAROV A.A., HAGEN-THORN E.I. and RUBAN E.V.
2006A&A...446..501F viz 75 T       O           48 47 XMM-Newton observations of the σ Orionis cluster. II. Spatial and spectral analysis of the full EPIC field. FRANCIOSINI E., PALLAVICINI R. and SANZ-FORCADA J.
2006A&A...446..949D viz 433 62 Proper motion determination of open clusters based on the UCAC2 catalogue. DIAS W.S., ASSAFIN M., FLORIO V., et al.
2006A&A...452..945T         O           185 29 A high-resolution spectroscopy survey of β Cephei pulsations in bright stars. TELTING J.H., SCHRIJVERS C., ILYIN I.V., et al.
2006A&A...452.1011V 1         O           16 32 Can single O stars produce non-thermal radio emission? VAN LOO S., RUNACRES M.C. and BLOMME R.
2006A&A...454..213P 10 12 Submillimeter imaging spectroscopy of the Horsehead nebula. PHILIPP S.D., LIS D.C., GUESTEN R., et al.
2006A&A...456..565G 7 5 71 Low sulfur depletion in the Horsehead PDR. GOICOECHEA J.R., PETY J., GERIN M., et al.
2006AJ....131.3008H viz 15       D               187 6 CCD speckle observations of binary stars from the southern hemisphere. IV. Measures during 2001. HORCH E.P., BAPTISTA B.J., VEILLETTE D.R., et al.
2006ApJ...639..259J viz 2 12 64 Large area mapping at 850 µm. IV. Analysis of the clump distribution in the Orion B South molecular cloud. JOHNSTONE D., MATTHEWS H. and MITCHELL G.F.
2006ApJ...649..299G 12 17 High-resolution infrared imaging of Herschel 36 SE: a showcase for the influence of massive stars in cluster environments. GOTO M., STECKLUM B., LINZ H., et al.
2006MNRAS.369..272O 112 T K                 63 26 Circumstellar discs in the young σ Orionis cluster. OLIVEIRA J.M., JEFFRIES R.D., VAN LOON J.T., et al.
2006MNRAS.369.1201W 13 21 SCUBA observations of the Horsehead nebula - what did the horse swallow? WARD-THOMPSON D., NUTTER D., BONTEMPS S., et al.
2006MNRAS.371L...6J 114 T K                 10 42 Kinematic structure in the young σ Orionis association. JEFFRIES R.D., MAXTED P.F.L., OLIVEIRA J.M., et al.
2006BSAO...59...20B 194 24 Speckle interferometry of nearby multiple stars. III. BALEGA I.I., BALEGA A.F., MAKSIMOV E.V., et al.
2006ApJ...652..401M 38 57 A multiwavelength optical emission line survey of warm ionized gas in the Galaxy. MADSEN G.J., REYNOLDS R.J. and HAFFNER L.M.
2006A&A...458..805B 50 40 Pleiades low-mass brown dwarfs: the cluster L dwarf sequence. BIHAIN G., REBOLO R., BEJAR V.J.S., et al.
2006AJ....132.2478H 19 8 Characterizing binary stars below the diffraction limit with CCD-based speckle imaging. HORCH E.P., FRANZ O.G. and VAN ALTENA W.F.
2006A&A...460..635C         O           25 33 Are isolated planetary-mass objects really isolated? A brown dwarf-exoplanet system candidate in the σ Orionis cluster. CABALLERO J.A., MARTIN E.L., DOBBIE P.D., et al.
2006A&A...460..799G 75 T                   77 40 A search for substellar members in the Praesepe and σ Orionis clusters. GONZALEZ-GARCIA B.M., ZAPATERO OSORIO M.R., BEJAR V.J.S., et al.
2007A&A...462L..23S 39   K                 8 28 Lithium-depleted stars in the young σ Orionis cluster. SACCO G.G., RANDICH S., FRANCIOSINI E., et al.
2007A&A...464L..41P 4 3 24 Deuterium fractionation in the Horsehead edge. PETY J., GOICOECHEA J.R., HILY-BLANT P., et al.
2007NewA...12..441L 13 2 Fast transition between classical and weak lined T Tauri stars due to external UV dissipation. LI J.Z. and RECTOR T.A.
2007ApJ...659.1373L 15 4 Resolving the nature of the Rosette HH 1 jet facing strong UV dissipation. LI J.Z., CHU Y.-H., GRUENDL R.A., et al.
2007A&A...466..917C viz 829     A D   O X C       22 73 50 The brightest stars of the σ Orionis cluster. CABALLERO J.A.
2007ApJ...661.1119B viz 99 64 25 Orionis: a kinematically distinct 10 Myr old group in Orion OB1a. BRICENO C., HARTMANN L., HERNANDEZ J., et al.
2007RMxAA..43..123B 1 24 59 Remarks on rapid vs. slow star formation. BALLESTEROS-PAREDES J. and HARTMANN L.
2007ApJ...662.1067H viz 603           X C       15 486 230 A Spitzer Space Telescope study of disks in the young σ Orionis cluster. HERNANDEZ J., HARTMANN L., MEGEATH T., et al.
2007A&A...470..903C 1906 T K A   O X C       49 77 97 The substellar mass function in σ Orionis. II. Optical, near-infrared and IRAC/Spitzer photometry of young cluster brown dwarfs and planetary-mass objects. CABALLERO J.A., BEJAR V.J.S., REBOLO R., et al.
2007A&A...471..205C 40           X         1 8 36 Aromatic emission from the ionised mane of the Horsehead nebula. COMPIEGNE M., ABERGEL A., VERSTRAETE L., et al.
2007AJ....134.1089S 362 14 H-R diagrams based on the HD stars in the Michigan spectral catalogue and the Hipparcos catalog. SOWELL J.R., TRIPPE M., CABALLERO-NIEVES S.M., et al.
2007ApJ...668..456W 16       D               5 19 48 An extensive collection of stellar wind X-ray source region emission line parameters, temperatures, velocities, and their radial distributions as obtained from Chandra observations of 17 OB stars. WALDRON W.L. and CASSINELLI J.P.
2007A&A...474..653V viz 15       D               1 117962 2595 Validation of the new Hipparcos reduction. VAN LEEUWEN F.
2007AN....328..917C 45 17 A near-infrared/optical/X-ray survey in the centre of sigma Orionis. CABALLERO J.A.
2007MNRAS.382.1124Z 167       D       C F     4 15 34 X-rays from massive OB stars: thermal emission from radiative shocks. ZHEKOV S.A. and PALLA F.
2007ARA&A..45..481Z 3 113 867 Toward understanding massive star formation. ZINNECKER H. and YORKE H.W.
2007ApJ...671.1784H viz 979           X C       25 346 83 Spitzer observations of the Orion OB1 association: disk census in the low-mass stars. HERNANDEZ J., CALVET N., BRICENO C., et al.
2008MNRAS.383..375C 553   K A     X C       14 21 37 Spatial distribution of stars and brown dwarfs in σ Orionis. CABALLERO J.A.
2008MNRAS.383..750C 1706 T K A D     X C       44 10 38 Dynamical parallax of σ Ori AB: mass, distance and age. CABALLERO J.A.
2008A&A...477..895Z 819 T K A     X C       20 10 32 New constraints on the membership of the T dwarf S Ori 70 in the σ Orionis cluster. ZAPATERO OSORIO M.R., BEJAR V.J.S., BIHAIN G., et al.
2008ApJ...673..331G viz 38           X         1 167 12 The stellar population and origin of the mysterious high-latitude star-forming cloud CG 12. GETMAN K.V., FEIGELSON E.D., LAWSON W.A., et al.
2008A&A...477..165P viz 15       D               525 49 Tidal radii and masses of open clusters. PISKUNOV A.E., SCHILBACH E., KHARCHENKO N.V., et al.
2008A&A...478..667C viz 1478 T K A D     X C       38 475 40 Stars and brown dwarfs in the σ Orionis cluster: the Mayrit catalogue. CABALLERO J.A.
2008ApJ...673L.185B 153           X C       3 20 42 Discovery of a wide companion near the deuterium-burning mass limit in the Upper Scorpius association. BEJAR V.J.S., ZAPATERO OSORIO M.R., PEREZ-GARRIDO A., et al.
2008AJ....135..966F viz 91       D     X         3 88 37 Evidence for early circumstellar disk evolution in NGC 2068/71. FLAHERTY K.M. and MUZEROLLE J.
2008AJ....135.1616S 2918   K A D S   X C       76 25 44 Main-sequence fitting distance to the σ Ori cluster. SHERRY W.H., WALTER F.M., WOLK S.J., et al.
2008ApJS..176..218W 15       D               2 77 6 X-atlas: an online archive of chandra's stellar high-energy transmission grating observations. WESTBROOK O.W., EVANS N.R., WOLK S.J., et al.
2008MNRAS.386.1855C 38           X         1 18 26 Chandra spectroscopy of the hot star βCrucis and the discovery of a pre-main-sequence companion. COHEN D.H., KUHN M.A., GAGNE M., et al.
2008AJ....136...51D 76           X         2 37 9 A large-scale Optical-Near-Infrared survey for brown dwarfs and very low mass stars in the Orion OB1 association. DOWNES J.J., BRICENO C., HERNANDEZ J., et al.
2008AJ....136..312H viz 15       D               9 348 31 Charge-coupled device speckle observations of binary stars with the WIYN telescope. V. Measures during 2001-2006. HORCH E.P., VAN ALTENA W.F., CYR W.M., et al.
2008A&A...485..931C viz 1425     A   O X         38 217 23 Young stars and brown dwarfs surrounding Alnilam (ε Orionis) and Mintaka (δ Orionis). CABALLERO J.A. and SOLANO E.
2008AJ....136..554T 531     A D S   X         14 122 42 Adaptive optics photometry and astrometry of binary stars. III. A faint companion search of o-star systems. TURNER N.H., TEN BRUMMELAAR T.A., ROBERTS L.C., et al.
2008ApJ...683..796S 4623 T K A D S   X C       120 67 31 High-resolution Chandra X-ray imaging and spectroscopy of the σ Orionis cluster. SKINNER S.L., SOKAL K.R., COHEN D.H., et al.
2008A&A...488..167S viz 76         O X         2 158 51 FLAMES spectroscopy of low-mass stars in the young clusters σ Ori and λ Ori. SACCO G.G., FRANCIOSINI E., RANDICH S., et al.
2008A&A...487..965S 38           X         1 114 20 An assessment of Li abundances in weak-lined and classical T Tauri stars of the Taurus-Auriga association. SESTITO P., PALLA F. and RANDICH S.
2008MNRAS.389..869E viz 15       D               1 4739 72 A catalogue of multiplicity among bright stellar systems. EGGLETON P.P. and TOKOVININ A.A.
2008MNRAS.389..925T viz 15       D               9 1509 69 Comparative statistics and origin of triple and quadruple stars. TOKOVININ A.
2008ApJ...686..363H 15       D               1 36 61 The turbulent warm ionized medium: emission measure distribution and MHD simulations. HILL A.S., BENJAMIN R.A., KOWAL G., et al.
2007A&ARv..14..171D 44 75 Non-Thermal Emission in Massive Binaries. DE BECKER M.
2008MNRAS.390.1549M 38           X         1 7 9 Time-dependent models of dense PDRs with complex molecules. MORATA O. and HERBST E.
2008A&A...490.1135G 38         O X         1 38 24 Chemical abundances of late-type pre-main sequence stars in the σ Orionis cluster. GONZALEZ HERNANDEZ J.I., CABALLERO J.A., REBOLO R., et al.
2008ApJ...688..362L viz 38           X         1 380 57 Disks around brown dwarfs in the σ Orionis cluster. LUHMAN K.L., HERNANDEZ J., DOWNES J.J., et al.
2008A&A...491..515C 568         O X C       14 26 22 Low-resolution spectroscopy and spectral energy distributions of selected sources towards σ Orionis. CABALLERO J.A., VALDIVIELSO L., MARTIN E.L., et al.
2008A&A...491..797C 229           X C       5 8 34 Dust processing in photodissociation regions. Mid-IR emission modelling. COMPIEGNE M., ABERGEL A., VERSTRAETE L., et al.
2008A&A...491..961L 2296 T K A S O X C       58 102 15 New deep XMM-Newton observations to the west of the σ Orionis cluster. LOPEZ-SANTIAGO J. and CABALLERO J.A.
2008A&A...492..111C 38           X         1 11 3 On the central ionizing star of G23.96+0.15 and near-IR spectral classification of O stars. CROWTHER P.A. and FURNESS J.P.
2008AN....329..801C viz 91       D     X         3 528 10 A revisit to agglomerate of early-type Hipparcos stars. CABALLERO J.A. and DINIS L.
2008MNRAS.391..711M 15       D               1 72 30 Maximum stellar mass versus cluster membership number revisited. MASCHBERGER T. and CLARKE C.J.
2009AJ....137.3329U 38           X         1 26 8 The frequency of warm debris disks and transition disks in a complete sample of intermediate-mass GLIMPSE stars: placing constraints on disk lifetimes. UZPEN B., KOBULNICKY H.A. and KINEMUCHI K.
2009AJ....137.3345C 39           X         1 45 109 Young L dwarfs identified in the field: a preliminary low-gravity, optical spectral sequence from L0 to L5. CRUZ K.L., KIRKPATRICK J.D. and BURGASSER A.J.
2009AJ....137.3358M viz 15       D               10 1191 179 The high angular resolution multiplicity of massive stars. MASON B.D., HARTKOPF W.I., GIES D.R., et al.
2009A&A...493..931B viz 931       D     X C       24 78 28 A deep look into the cores of young clusters. I. σ-Orionis. BOUY H., HUELAMO N., MARTIN E.L., et al.
2009AJ....137.3668C 39           X         1 14 40 Star formation history in the Small Magellanic Cloud: the case of NGC 602. CIGNONI M., SABBI E., NOTA A., et al.
2009AJ....137.3685B 343           X         9 33 12 An infrared census of star formation in the Horsehead nebula. BOWLER B.P., WALLER W.H., MEGEATH S.T., et al.
2009A&A...494..977G viz 77           X         2 8 29 HCO mapping of the Horsehead: tracing the illuminated dense molecular cloud surfaces. GERIN M., GOICOECHEA J.R., PETY J., et al.
2009A&A...495L..13R 787 T   A     X         20 3 9 Discovery of an old photoevaporating disk in σ Orionis. RIGLIACO E., NATTA A., RANDICH S., et al.
2009ApJ...694.1423L 38           X         1 88 18 Triggered star formation on the border of the Orion-Eridanus superbubble. LEE H.-T. and CHEN W.P.
2009MNRAS.394.1338B viz 15       D               1 1222 36 Catalogue of averaged stellar effective magnetic fields - II. Re-discussion of chemically peculiar A and B stars. BYCHKOV V.D., BYCHKOVA L.V. and MADEJ J.
2008ARA&A..46..339W 78             C       1 68 350 Evolution of debris disks. WYATT M.C.
2009AJ....137.5012C 1678 T K A D     X C       43 42 12 X-ray variability of σ Orionis young stars as observed with ROSAT. CABALLERO J.A., LOPEZ-SANTIAGO J., DE CASTRO E., et al.
2009A&A...498..771G 41           X         1 4 26 The ionization fraction gradient across the Horsehead edge: an archetype for molecular clouds. GOICOECHEA J.R., PETY J., GERIN M., et al.
2009ApJ...698....1C viz 76           X         2 358 101 The last gasp of gas giant planet formation: a Spitzer study of the 5 Myr old cluster NGC 2362. CURRIE T., LADA C.J., PLAVCHAN P., et al.
2009AJ....138....7M 229           X C       5 54 25 Chandra and Spitzer observations reveal new YSOs in the heart of Trumpler 37. MERCER E.P., MILLER J.M., CALVET N., et al.
2009ApJ...699L.165G 40           X         1 2 9 Far-infrared detection of neutral atomic oxygen toward the Horsehead nebula. GOICOECHEA J.R., COMPIEGNE M. and HABART E.
2009ApJ...699.1454G viz 229           X C       5 676 32 Protoplanetary disk evolution around the triggered star-forming region Cepheus B. GETMAN K.V., FEIGELSON E.D., LUHMAN K.L., et al.
2009A&A...501..297Z viz 15       D               1 219 30 Fundamental parameters of B supergiants from the BCD system. I. Calibration of the (λ1, d) parameters into Teff. ZOREC J., CIDALE L., ARIAS M.L., et al.
2009AJ....138..813H viz 15       D               5 1002 22 Speckle interferometry at mount wilson observatory: observations obtained in 2006-2007 and 35 new orbits. HARTKOPF W.I. and MASON B.D.
2009ApJ...700.1299J viz 15       D               4 284 454 A unified representation of gas-phase element depletions in the interstellar medium. JENKINS E.B.
2009ApJ...701L.100H 862     A     X C F     21 15 9 σ Orionis IRS1 A and B: a binary containing a proplyd. HODAPP K.W., ISERLOHE C., STECKLUM B., et al.
2009ApJ...702..759M 114           X         3 14 3 Flares on a Bp star. MULLAN D.J.
2009ApJ...703..633W 92       D         F     1 19 17 The correlation between X-ray line ionization and optical spectral types of the OB stars. WALBORN N.R., NICHOLS J.S. and WALDRON W.L.
2009AJ....138.1116S viz 130       D     X         4 47 44 A Spitzer view of the young open cluster NGC 2264. SUNG H., STAUFFER J.R. and BESSELL M.S.
2009MNRAS.399..432N viz 168       D     X         5 201 50 Are pre-main-sequence stars older than we thought? NAYLOR T.
2009A&A...505.1115L 3188 T K A S   X C       81 105 43 A census of very-low-mass stars and brown dwarfs in the σ Orionis cluster. LODIEU N., ZAPATERO OSORIO M.R., REBOLO R., et al.
2009ApJ...705.1646C viz 206       D     X C       5 255 52 Debris disks in the upper Scorpius OB association. CARPENTER J.M., MAMAJEK E.E., HILLENBRAND L.A., et al.
2009A&A...506.1055N viz 15       D               1 337 73 Hot stars observed by XMM-Newton. I. The catalog and the properties of OB stars. NAZE Y.
2009A&A...506.1169B 862   K A S O X C       21 24 44 Candidate free-floating super-Jupiters in the young σ Orionis open cluster. BIHAIN G., REBOLO R., ZAPATERO OSORIO M.R., et al.
2009ApJ...706..896M viz 557     A     X         15 24 3 Star formation in the cometary globule Ori I-2. MOOKERJEA B. and SANDELL G.
2009A&A...507..939A 38           X         1 21 17 X-ray optical depth diagnostics of T Tauri accretion shocks. ARGIROFFI C., MAGGIO A., PERES G., et al.
2009ApJ...707..705H 244       D     X         7 47 25 Spitzer observations of the λ Orionis cluster. I. The frequency of young debris disks at 5 myr. HERNANDEZ J., CALVET N., HARTMANN L., et al.
2009A&A...507.1485M viz 76           X         2 177 15 Young stars and protostellar cores near NGC2023. MOOKERJEA B., SANDELL G., JARRETT T.H., et al.
2009ApJ...706.1484B viz 38           X         1 45 13 A constraint on brown dwarf formation via ejection: radial variation of the stellar and substellar mass function of the young open cluster IC 2391. BOUDREAULT S. and BAILER-JONES C.A.L.
2010AJ....139..743T viz 15       D               1 1404 95 Speckle interferometry at the Blanco and SOAR telescopes in 2008 and 2009. TOKOVININ A., MASON B.D. and HARTKOPF W.I.
2010MNRAS.401..275W 15       D               1 173 162 The relation between the most-massive star and its parental star cluster mass. WEIDNER C., KROUPA P. and BONNELL I.A.D.
2010A&A...510A..44M 38           X         1 18 12 Not an open cluster after all: the NGC 6863 asterism in Aquila. MONI BIDIN C., DE LA FUENTE MARCOS R., DE LA FUENTE MARCOS C., et al.
2010A&A...510A..54W viz 15       D               1 1869 114 New 3D gas density maps of NaI and CaII interstellar absorption within 300 pc. WELSH B.Y., LALLEMENT R., VERGELY J.-L., et al.
2009A&ARv..17..309G 38           X         1 147 120 X-ray spectroscopy of stars. GUEDEL M. and NAZE Y.
2010AJ....139.1668R 269           X C       6 35 5 The multiple pre-main-sequence system HBC 515 in L1622. REIPURTH B., HERBIG G. and ASPIN C.
2010AN....331..349H viz 15       D               1 2353 54 Masses and luminosities of O- and B-type stars and red supergiants. HOHLE M.M., NEUHAUSER R. and SCHUTZ B.F.
2010ApJ...714L.285P viz 38           X         1 494 30 Evidence for delayed massive star formation in the M17 proto-OB association. POVICH M.S. and WHITNEY B.A.
2010ApJ...714L.318T 235           X         6 6 68 Discovery of rotational braking in the magnetic helium-strong star sigma Orionis E. TOWNSEND R.H.D., OKSALA M.E., COHEN D.H., et al.
2010ApJ...714.1424T viz 77           X         2 161 8 A limit on the number of isolated neutron stars detected in the ROSAT All-Sky-Survey bright source catalog. TURNER M.L., RUTLEDGE R.E., LETCAVAGE R., et al.
2010RMxAC..38..133G 38           X         1 15 0 Massive star studies with the CHARA Array. GIES D., BOYAJIAN T., FARRINGTON C., et al.
2010A&A...514A..18C 138     A     X C       3 78 18 Stars and brown dwarfs in the σ Orionis cluster. II. A proper motion study. CABALLERO J.A.
2010A&A...515A.111S viz 15       D               1 17230 198 The PASTEL catalogue of stellar parameters. SOUBIRAN C., LE CAMPION J.-F., CAYREL DE STROBEL G., et al.
2010A&A...516A..28V viz 15       D               1 1039 10 Three editions of the star catalogue of Tycho Brahe. Machine-readable versions and comparison with the modern Hipparcos catalogue. VERBUNT F. and VAN GENT R.H.
2010A&A...516A..29V viz 15       D               1 1582 7 The star catalogue of Hevelius. Machine-readable version and comparison with the modern Hipparcos catalogue. VERBUNT F. and VAN GENT R.H.
2010A&A...516A..35H           X     *   1 28 23 Obscured clusters. III. Follow-up observations of Mercer 23. HANSON M.M., KURTEV R., BORISSOVA J., et al.
2010A&A...517A..45V 15       D               1 203 28 From interstellar abundances to grain composition: the major dust constituents Mg, Si, and Fe. VOSHCHINNIKOV N.V. and HENNING T.
2010A&A...518A...1M viz 92       D S             3 147 40 High-resolution imaging of galactic massive stars with AstraLux. I. 138 fields with δ> -25°. MAIZ-APELLANIZ J.
2010A&A...519A..93B         O           83 49 Near-infrared low-resolution spectroscopy of Pleiades L-type brown dwarfs. BIHAIN G., REBOLO R., ZAPATERO OSORIO M.R., et al.
2010MNRAS.404.1321W viz 15       D               1 463 26 Interstellar Ti II in the Milky way and Magellanic clouds. WELTY D.E. and CROWTHER P.A.
2010A&A...520A..51V 54       D     X         2 33 24 Probing the evolving massive star population in Orion with kinematic and radioactive tracers. VOSS R., DIEHL R., VINK J.S., et al.
2010A&A...521A..45C viz 246       D   O X C       6 163 17 HRC-I/Chandra X-ray observations towards σ Orionis. CABALLERO J.A., ALBACETE-COLOMBO J.F. and LOPEZ-SANTIAGO J.
2010A&A...522A.113R 154           X         4 6 9 Photometric variability of the Herbig Ae star HD 37806. RUCINSKI S.M., ZWINTZ K., HARETER M., et al.
2010ApJS..191..389C viz 77           X         2 172 43 Precision photometric monitoring of very low mass σ Orionis cluster members: variability and rotation at a few Myr. CODY A.M. and HILLENBRAND L.A.
2011AJ....141....7D 39           X         1 18 11 Resolved spectroscopy of M Dwarf/L dwarf binaries. IV. Discovery of AN M9 + L6 binary separated by over 100 AU. DHITAL S., BURGASSER A.J., LOOPER D.L., et al.
2010ApJ...725.2485K viz 77           X         2 299 43 A Chandra observation of the obscured star-forming complex W40. KUHN M.A., GETMAN K.V., FEIGELSON E.D., et al.
2010A&A...524A..97L viz 38           X         1 93 12 Deep XMM-Newton observation of the η Chamaleontis cluster. LOPEZ-SANTIAGO J., ALBACETE COLOMBO J.F. and LOPEZ-GARCIA M.A.
2011ApJ...726...27P 40           X         1 18 36 An initial mass function for individual stars in galactic disks. I. Constraining the shape of the initial mass function. PARRAVANO A., McKEE C.F. and HOLLENBACH D.J.
2010MNRAS.409.1307M 115           X         3 13 9 On the properties of discs around accreting brown dwarfs. MAYNE N.J. and HARRIES T.J.
2010SerAJ.180...71C viz 15       D               1 436 7 On the component masses of visual binaries. CVETKOVIC Z. and NINKOVIC S.
2011AJ....141..129H viz 15       D               1 339 38 TGCat: the Chandra Transmission Grating Data Catalog and Archive. HUENEMOERDER D.P., MITSCHANG A., DEWEY D., et al.
2011ApJS..193...24S viz 209 179 The Galactic O-Star Spectroscopic Survey. I. Classification system and bright northern stars in the blue-violet at R ∼ 2500. SOTA A., MAIZ-APELLANIZ J., WALBORN N.R., et al.
2011ApJ...732...86M 39           X         1 33 17 Substellar objects in nearby young clusters (SONYC). III. Chamaeleon-I. MUZIC K., SCHOLZ A., GEERS V., et al.
2011ApJ...733....9O 77           X         2 25 14 Physical conditions in Barnard's loop, components of the Orion-Eridanus Bubble, and implications for the warm ionized medium component of the interstellar medium. O'DELL C.R., FERLAND G.J., PORTER R.L., et al.
2011ApJ...733..113R viz 93       D     X         3 549 28 Disk evolution in OB associations: deep Spitzer/IRAC observations of IC 1795. ROCCATAGLIATA V., BOUWMAN J., HENNING T., et al.
2011ApJ...734...14M 39           X         1 7 4 Detailed X-ray line properties of θ2 Ori A in quiescence. MITSCHANG A.W., SCHULZ N.S., HUENEMOERDER D.P., et al.
2011PABei..29..148L 46 0 Progress in the study of protoplanetary disks. LIU Y. and WANG H.-C.
2011A&A...530A..19B 93       D     X C F     1 28 22 Elemental abundances of low-mass stars in the young clusters 25 Orionis and λ Orionis. BIAZZO K., RANDICH S., PALLA F., et al.
2011A&A...530A.150F viz 596       D     X C       15 148 6 XMM-Newton observations of the young open cluster around λ Orionis. FRANCIOSINI E. and SACCO G.G.
2011A&A...531A..58R 39           X         1 22 15 New X-ray observations of IQ Aurigae and α2Canum Venaticorum. Probing the magnetically channeled wind shock model in A0p stars. ROBRADE J. and SCHMITT J.H.M.M.
2011A&A...532A..42P 77           X         2 20 23 Search and characterization of T-type planetary mass candidates in the σ Orionis cluster. PENA RAMIREZ K., ZAPATERO OSORIO M.R., BEJAR V.J.S., et al.
2011ApJ...741...45S 78           X         2 9 20 PDR model mapping of physical conditions via Spitzer/IRS spectroscopy of H2: theoretical success toward NGC 2023-South. SHEFFER Y., WOLFIRE M.G., HOLLENBACH D.J., et al.
2011ApJ...742...55S 1533 T K A     X C       38 11 23 A third massive star component in the σ Orionis AB system. SIMON-DIAZ S., CABALLERO J.A. and LORENZO J.
2011A&A...534A..49G 41           X         1 6 31 H2CO in the Horsehead PDR: photo-desorption of dust grain ice mantles. GUZMAN V., PETY J., GOICOECHEA J.R., et al.
2011A&A...535A..16L 77               F     1 70 74 2MASS wide field extinction maps. IV. The Orion, Monoceros R2, Rosette, and Canis Major star forming regions. LOMBARDI M., ALVES J. and LADA C.J.
2011A&A...535A..32N 868       D     X C       22 22 69 L-band spectroscopy of galactic OB-stars. NAJARRO F., HANSON M.M. and PULS J.
2011ApJ...743..166W viz 39           X         1 1160 22 The structure of the star-forming cluster RCW 38. WINSTON E., WOLK S.J., BOURKE T.L., et al.
2011RMxAC..40..225B 77             C       1 12 0 The CIDA-VISTA Survey in Orion OB1. BRICENO C., MATEU C., DOWNES J.J., et al.
2012ApJ...744....6S viz 39           X         1 146 43 Substellar objects in nearby young clusters (SONYC). IV. A census of very low mass objects in NGC 1333. SCHOLZ A., MUZIC K., GEERS V., et al.
2012ApJ...744..129B 18       D               2 11 46 The spectrum of the diffuse galactic light: the Milky Way in scattered light. BRANDT T.D. and DRAINE B.T.
2012MNRAS.419.2448P 41           X         1 12 52 The effects of dynamical interactions on planets in young substructured star clusters. PARKER R.J. and QUANZ S.P.
2012AN....333...60K viz 16       D               2 568 6 Limited diversity of the interstellar extinction law. KRELOWSKI J. and STROBEL A.
2012ApJ...745...19K viz 16       D               1 244 123 The role of multiplicity in disk evolution and planet formation. KRAUS A.L., IRELAND M.J., HILLENBRAND L.A., et al.
2012MNRAS.420.1495S 156       S   X         3 32 32 The frequency of large variations in the near-infrared fluxes of T Tauri stars. SCHOLZ A.
2012AJ....143...61N viz 39           X         1 685 10 Wide-field survey of emission-line stars in IC 1396. NAKANO M., SUGITANI K., WATANABE M., et al.
2012ApJS..199....8G viz 16       D               6 3037 46 A compilation of interstellar column densities. GUDENNAVAR S.B., BUBBLY S.G., PREETHI K., et al.
2012MNRAS.421...78S viz 16       D               2 1081 32 Photometric determination of the mass accretion rates of pre-mainsequence stars – III. Results in the Large Magellanic Cloud. SPEZZI L., DE MARCHI G., PANAGIA N., et al.
2012ApJ...750..125A viz 39           X         1 2602 22 Spitzer imaging of the nearby rich young cluster, Cep OB3b. ALLEN T.S., GUTERMUTH R.A., KRYUKOVA E., et al.
2012AJ....143..124M viz 16       D               20 1917 6 Speckle interferometry at the U.S. Naval Observatory. XVIII. MASON B.D., HARTKOPF W.I. and FRIEDMAN E.A.
2012ApJ...751...22B viz 94       D     X         3 1078 11 A significant population of candidate new members of the ρ Ophiuchi cluster. BARSONY M., HAISCH K.E., MARSH K.A., et al.
2012A&A...541A..52V viz 16       D               1 197 21 Interstellar polarization and grain alignment: the role of iron and silicon. VOSHCHINNIKOV N.V., HENNING T., PROKOPJEVA M.S., et al.
2012A&A...541A..75R 78         O X         2 62 10 Discovery of a young and massive stellar cluster. Spectrophotometric near-infrared study of Masgomas-1. RAMIREZ ALEGRIA S., MARIN-FRANCH A. and HERRERO A.
2012ApJ...753...19T 16       D     X     *   9 30 8 Discovery of crystallized water ice in a silhouette disk in the M43 region. TERADA H. and TOKUNAGA A.T.
2012ApJ...754...30P viz 452     A     X C       11 291 72 New isolated planetary-mass objects and the stellar and substellar mass function of the σ Orionis cluster. PENA RAMIREZ K., BEJAR V.J.S., ZAPATERO OSORIO M.R., et al.
2012PASJ...64...57P 39           X         1 59 1 Low-resolution spectroscopy of hot post-AGB candidates II. LS, LSS, LSE stars and additional IRAS sources. PARTHASARATHY M., DRILLING J.S., VIJAPURKAR J., et al.
2012MNRAS.424.1925C viz 16       D               1 828 160 A spectroscopic survey on the multiplicity of high-mass stars. CHINI R., HOFFMEISTER V.H., NASSERI A., et al.
2012A&A...543L...1G 42           X         1 3 22 The IRAM-30m line survey of the Horsehead PDR. I. CF+ as a tracer of C+ and as a measure of the fluorine abundance. GUZMAN V., PETY J., GRATIER P., et al.
2012ApJ...756...24S viz 390           X C       9 47 39 Substellar objects in nearby young clusters (SONYC). VI. The planetary-mass domain of NGC 1333. SCHOLZ A., JAYAWARDHANA R., MUZIC K., et al.
2012ApJ...756L..34H 125           X         3 2 33 On the weak-wind problem in massive stars: X-ray spectra reveal a massive hot wind in µ Columbae. HUENEMOERDER D.P., OSKINOVA L.M., IGNACE R., et al.
2012A&A...544A.111M viz 39           X         1 112 6 The mass function of the Coma Berenices open cluster below 0.2 M☉: a search for low-mass stellar and substellar members. MELNIKOV S. and EISLOEFFEL J.
2012A&A...546A..59C         O           29 6 Stars and brown dwarfs in the σ Orionis cluster. III. OSIRIS/GTC low-resolution spectroscopy of variable sources. CABALLERO J.A., CABRERA-LAVERS A., GARCIA-ALVAREZ D., et al.
2012A&A...546A..61D viz 16       D               1 87994 34 Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project. DE BRUIJNE J.H.J. and EILERS A.-C.
2012A&A...546A..69M viz 16       D               1 3287 35 Dynamical masses of a selected sample of orbital binaries. MALKOV O.Yu., TAMAZIAN V.S., DOCOBO J.A., et al.
2012RAA....12.1081Z 78           X         2 62 13 Forming different planetary systems. ZHOU J.-L., XIE J.-W., LIU H.-G., et al.
2012A&A...547A..80B viz 195           X C       4 178 30 Spectroscopy of very low-mass stars and brown dwarfs in the Lambda Orionis star-forming region. II. Rotation, activity and other properties of spectroscopically confirmed members of Collinder 69. BAYO A., BARRADO D., HUELAMO N., et al.
2012A&A...547A.104B 55       D     X         2 53 27 The Chamaeleon II low-mass star-forming region: radial velocities, elemental abundances, and accretion properties. BIAZZO K., ALCALA J.M., COVINO E., et al.
2012A&A...548A..68P 52           X         1 2 54 The IRAM-30m line survey of the Horsehead PDR. II. First detection of the l-C3H+ hydrocarbon cation. PETY J., GRATIER P., GUZMAN V., et al.
2013ApJ...763...67S 40           X         1 9 24 MOA-2010-BLG-073L: an m-dwarf with a substellar companion at the Planet/Brown dwarf boundary. STREET R.A., CHOI J.-Y., TSAPRAS Y., et al.
2012MNRAS.426.3403L viz 39           X         1 1174 22 Astrometric and photometric initial mass functions from the UKIDSS Galactic Clusters Survey - II. The Alpha Persei open cluster. LODIEU N., DEACON N.R., HAMBLY N.C., et al.
2012MNRAS.427..343M viz 16       D               1 95591 129 Fundamental parameters and infrared excesses of Hipparcos stars. McDONALD I., ZIJLSTRA A.A. and BOYER M.L.
2013MNRAS.429..775L viz 79           X         2 64 4 A comprehensive study of NGC 2023 with XMM-Newton and Spitzer. LOPEZ-GARCIA M.A., LOPEZ-SANTIAGO J., ALBACETE-COLOMBO J.F., et al.
2013ApJ...766L...9C 394           X C       9 6 17 Polarimetric observations of σ Orionis E. CARCIOFI A.C., FAES D.M., TOWNSEND R.H.D., et al.
2013A&A...551A.106S 157           X C       3 14 10 X-shooter spectroscopy of FU Tauri A. STELZER B., ALCALA J.M., SCHOLZ A., et al.
2013ApJ...769...33T 40           X         1 11 26 MOST observations of σ Ori E: challenging the centrifugal breakout narrative. TOWNSEND R.H.D., RIVINIUS Th., ROWE J.F., et al.
2013A&A...553A...2O 16       D               1 19 19 Probing the role of polycyclic aromatic hydrocarbons in the photoelectric heating within photodissociation regions. OKADA Y., PILLERI P., BERNE O., et al.
2013ApJ...771..111S viz 16       D               1 152 9 Dusty OB stars in the Small Magellanic Cloud. I. Optical spectroscopy reveals predominantly main-sequence OB stars. SHEETS H.A., BOLATTO A.D., VAN LOON J.Th., et al.
2013ApJ...771..112A 79           X         2 156 8 Dusty OB stars in the Small Magellanic Cloud. II. Extragalactic disks or examples of the Pleiades phenomenon? ADAMS J.J., SIMON J.D., BOLATTO A.D., et al.
2013ApJ...772...60R 39           X         1 44 38 Understanding the origin of the [O i] low-velocity component from T Tauri stars. RIGLIACO E., PASCUCCI I., GORTI U., et al.
2013ApJ...772...81M 79           X         2 49 3 Near-infrared imaging and spectroscopic survey of the southern region of the young open cluster NGC 2264. MARINAS N., LADA E.A., TEIXEIRA P.S., et al.
2013ApJ...773..145W 39           X         1 114 24 Near-infrared variability among young stellar objects in the star formation region Cygnus OB7. WOLK S.J., RICE T.S. and ASPIN C.
2013MNRAS.435.1671W viz 118           X C       2 317 31 A SCUBA-2 850-µm survey of protoplanetary discs in the σ Orionis cluster. WILLIAMS J.P., CIEZA L.A., ANDREWS S.M., et al.
2013AJ....146..158P 16       D               2 72 9 H I Lyman-alpha equivalent widths of stellar populations. PENA-GUERRERO M.A. and LEITHERER C.
2013A&A...558A..28D 16       D   O           1 80 41 Catalogue of particle-accelerating colliding-wind binaries. DE BECKER M. and RAUCQ F.
2013ApJ...779..172G 40           X         1 17 38 Kepler monitoring of an L dwarf I. The photometric period and white light flares. GIZIS J.E., BURGASSER A.J., BERGER E., et al.
2014ApJ...780...27P 16       D               1 137 9 The range of variation of the mass of the most massive star in stellar clusters derived from 35 million Monte Carlo simulations. POPESCU B. and HANSON M.M.
2013AstL...39..532B viz 16       D               1 229 18 Galactic kinematics from a sample of young massive stars. BOBYLEV V.V. and BAJKOVA A.T.
2014ApJ...781...33M 40           X         1 20 11 Protostar mass functions in young clusters. MYERS P.C.
2013A&A...560A..73G viz 40           X         1 11 31 The IRAM-30 m line survey of the Horsehead PDR. IV. Comparative chemistry of H2CO and CH3OH. GUZMAN V.V., GOICOECHEA J.R., PETY J., et al.
2014ApJS..211...10S viz 16       D               1 356 129 The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright southern stars. SOTA A., MAIZ APELLANIZ J., MORRELL N.I., et al.
2014MNRAS.439..256E 16       D               1 19 21 The {dot}M-M* relation of pre-main-sequence stars: a consequence of X-ray driven disc evolution. ERCOLANO B., MAYR D., OWEN J.E., et al.
2014MNRAS.439..908C 40           X         1 21 37 Measuring mass-loss rates and constraining shock physics using X-ray line profiles of O stars from the Chandra archive. COHEN D.H., WOLLMAN E.E., LEUTENEGGER M.A., et al.
2014A&A...563A..65O 159 T           C       5 13 24 Blowing in the wind: The dust wave around σ
Orionis AB. 		OCHSENDORF B.B., COX N.L.J., KRIJT S., et al.
2014ApJ...787...42C 119           X         3 40 43 An ALMA continuum survey of circumstellar disks in the Upper Scorpius OB association. CARPENTER J.M., RICCI L. and ISELLA A.
2014ApJ...787..107K viz 40           X         1 37 58 The spatial structure of young stellar clusters. I. Subclusters. KUHN M.A., FEIGELSON E.D., GETMAN K.V., et al.
2014PASJ...66...33S 79           X         2 26 3 Multi-object and long-slit spectroscopy of very low mass brown dwarfs in the Orion Nebular Cluster. SUENAGA T., TAMURA M., KUZUHARA M., et al.
2014ApJ...790...47I 516     A D     X C       13 29 21 The evolution of accretion in young stellar objects: strong accretors at 3-10 myr. INGLEBY L., CALVET N., HERNANDEZ J., et al.
2014A&A...567A..66R 119           X C       2 54 3 Masgomas-4: Physical characterization of a double-core obscured cluster with a massive and very young stellar population. RAMIREZ ALEGRIA S., MARIN-FRANCH A. and HERRERO A.
2014ApJ...793...56G 79           X         2 31 5 Accretion and outflow in the proplyd-like objects near Cygnus OB2. GUARCELLO M.G., DRAKE J.J., WRIGHT N.J., et al.
2014AJ....148...62K viz 41           X         1 6 19 The HD 5980 multiple system: masses and evolutionary status. KOENIGSBERGER G., MORRELL N., HILLIER D.J., et al.
2014A&A...569A...9C 41           X         1 19 43 Performance and calibration of the NIKA camera at the IRAM 30 m telescope. CATALANO A., CALVO M., PONTHIEU N., et al.
2014ApJ...794...36H viz 651       D     X         17 819 17 A spectroscopic census in young stellar regions: the σ Orionis cluster. HERNANDEZ J., CALVET N., PEREZ A., et al.
2014ApJ...794..169H 40           X         1 20 12 The launch region of the SVS 13 outflow and jet. HODAPP K.W. and CHINI R.
2014A&A...570A..71G 79             C       1 8 4 Dense molecular globulettes and the dust arc toward the runaway O star AE Aurigae (HD 34078). GRATIER P., PETY J., BOISSE P., et al.
2014ApJ...796..127C viz 175       D     X         5 13968 19 A deep Spitzer survey of circumstellar disks in the young double cluster, h and χ Persei. CLOUTIER R., CURRIE T., RIEKE G.H., et al.
2014A&ARv..22...80H 40           X         1 31 28 Atmospheres of brown dwarfs. HELLING C. and CASEWELL S.
2015AJ....149...26A viz 56       D     X         2 319 31 The multiplicity of massive stars: a high angular resolution survey with the guidance sensor. ALDORETTA E.J., CABALLERO-NIEVES S.M., GIES D.R., et al.
2015ApJ...798...87M viz 16       D               1 187 21 The Spitzer infrared spectrograph debris disk catalog. II. Silicate feature analysis of unresolved targets. MITTAL T., CHEN C.H., JANG-CONDELL H., et al.
2015ApJ...799..169S 5661 T K A D S   X C       139 10 24 Orbital and physical properties of the σ Ori Aa,
Ab,

B triple system. 		SIMON-DIAZ S., CABALLERO J.A., LORENZO J., et al.
1993yCat.3135....0C viz 14       D               1 252868 16 VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925) CANNON A.J. and PICKERING E.C.
2015A&A...575A..66N 378       D   O X         10 11 11 Search for magnetic fields in particle-accelerating colliding-wind binaries. NEINER C., GRUNHUT J., LEROY B., et al.
2015MNRAS.447..722D 161     A D     X         5 24 8 The JCMT Gould Belt Survey: low-mass protoplanetary discs from a SCUBA-2 census of NGC 1333. DODDS P., GREAVES J.S., SCHOLZ A., et al.
2015ApJ...802...77M viz 41           X         1 20 24 Protoplanetary disk masses in the young NGC 2024 cluster. MANN R.K., ANDREWS S.M., EISNER J.A., et al.
2015A&A...576A...2O 80             C       1 24 15 A bimodal dust grain distribution in the IC 434 HII region. OCHSENDORF B.B. and TIELENS A.G.G.M.
2015ApJ...806...53L 40           X         1 23 3 X-ray emission from stellar jets by collision against high-density molecular clouds: an application to HH 248. LOPEZ-SANTIAGO J., BONITO R., ORELLANA M., et al.
2015A&A...579A.108M 80           X         2 32 15 The little-studied cluster Berkeley 90. I. LS III +46 11: a very massive O3.5 If* + O3.5 If* binary. MAIZ-APELLANIZ J., NEGUERUELA I., BARBA R.H., et al.
2015A&A...579A.111K 96       D   O   C       4 55 15 X-ray irradiation of the winds in binaries with massive components. KRTICKA J., KUBAT J. and KRTICKOVA I.
2015ApJ...808...23H 41           X         1 29 45 Empirical isochrones for low mass stars in nearby young associations. HERCZEG G.J. and HILLENBRAND L.A.
2015ApJ...808..111O 177       D     X C       4 44 16 Nested shells reveal the rejuvenation of the Orion-Eridanus superbubble. OCHSENDORF B.B., BROWN A.G.A., BALLY J., et al.
2015A&A...580A..23P viz 16       D               2 60822 40 A new catalogue of Stroemgren-Crawford uvbyβ photometry. PAUNZEN E.
2015ApJ...809..132C 41           X         1 5 5 A coordinated X-ray and optical campaign of the nearest massive eclipsing binary, δ Orionis Aa. I. Overview of the X-ray spectrum. CORCORAN M.F., NICHOLS J.S., PABLO H., et al.
2015MNRAS.450.3490D viz 161           X         4 31 12 The number fraction of discs around brown dwarfs in Orion OB1a and the 25 Orionis group. DOWNES J.J., ROMAN-ZUNIGA C., BALLESTEROS-PAREDES J., et al.
2015ApJ...810..159M 161           X         4 24 15 Substellar objects in nearby young clusters (SONYC) IX: the planetary-mass domain of Chamaeleon-I and updated mass function in Lupus-3. MUZIC K., SCHOLZ A., GEERS V.C., et al.
2015AJ....150..151H viz 16       D               2 523 16 Observations of binary stars with the Differential Speckle Survey Instrument. VI. Measures during 2014 at the Discovery Channel Telescope. HORCH E.P., VAN BELLE G.T., DAVIDSON J.W.Jr, et al.
2015A&A...582A..22L 136       D     X         4 63 13 A homogeneous analysis of disks around brown dwarfs. LIU Y., JOERGENS V., BAYO A., et al.
2015ApJ...815L..31R 321           X   F     7 12 3 HH 1158: the lowest luminosity externally irradiated Herbig-Haro jet. RIAZ B. and WHELAN E.T.
2015A&A...584A...7G 40           X         1 8 1 Spectroscopic and photometric analysis of the early-type spectroscopic binary HD 161853 in the centre of an H II region. GAMEN R., PUTKURI C., MORRELL N.I., et al.
1999MSS...C05....0H viz 14       D               1 31076 ~ Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5 HOUK N. and SWIFT C.
2016A&A...585A..12B viz 16       D               1 244 10 Probing the Local Bubble with diffuse interstellar bands. I. Project overview and southern hemisphere survey. BAILEY M., VAN LOON J.T., FARHANG A., et al.
2016ApJ...818...59D viz 41           X         1 2715 34 IN-SYNC. IV. The young stellar population in the Orion A molecular cloud. DA RIO N., TAN J.C., COVEY K.R., et al.
2016MNRAS.456....2W viz 16       D               2 564 86 The MiMeS survey of magnetism in massive stars: introduction and overview. WADE G.A., NEINER C., ALECIAN E., et al.
2016A&A...586A.114M 82           X         2 15 15 Detecting stellar-wind bubbles through infrared arcs in HII regions. MacKEY J., HAWORTH T.J., GVARAMADZE V.V., et al.
2016ApJS..224....4M viz 391 39 The Galactic O-star Spectroscopic Survey (GOSSS). III. 142 additional O-type systems. MAIZ-APELLANIZ J., SOTA A., ARIAS J.I., et al.
2016A&A...591A.118S viz 16       D               2 31387 40 The PASTEL catalogue: 2016 version. SOUBIRAN C., LE CAMPION J.-F., BROUILLET N., et al.
2016ApJ...829...38M 41           X         1 130 9 A Herschel view of protoplanetary disks in the σ Ori cluster. MAUCO K., HERNANDEZ J., CALVET N., et al.
2016A&A...593A.116J viz 16       D               1 1182 19 Study of open clusters within 1.8 kpc and understanding the Galactic structure. JOSHI Y.C., DAMBIS A.K., PANDEY A.K., et al.
2016ApJ...831..112S 41           X         1 20 4 Deep optical observations of unusual neutron star Calvera with the GTC. SHIBANOV Y., DANILENKO A., ZHARIKOV S., et al.
2016AJ....152..152D 81           X         2 37 ~ High-mass star formation toward southern infrared bubble S10. DAS S.R., TEJ A., VIG S., et al.
2016ApJ...831..155S viz 41           X         1 927 3 A VLA survey for faint compact radio sources in the Orion Nebula Cluster. SHEEHAN P.D., EISNER J.A., MANN R.K., et al.
2016ApJ...831..169S 41           X         1 44 25 Tracing slow winds from T Tauri stars via low-velocity forbidden line emission. SIMON M.N., PASCUCCI I., EDWARDS S., et al.
2016ApJ...831..189R 41           X         1 26 4 A multiwavelength characterization of proto-brown-dwarf candidates in Serpens. RIAZ B., VOROBYOV E., HARSONO D., et al.
2016AJ....152..198K viz 81               F     1 584 6 The rotation period distributions of 4-10 myr T Tauri stars in Orion OB1: new constraints on pre-main-sequence angular momentum evolution. KARIM M.T., STASSUN K.G., BRICENO C., et al.
2016AJ....152..213S viz 3801 T K A S   X C       91 48 18 Orbits, distance, and stellar masses of the massive triple star σ Orionis. SCHAEFER G.H., HUMMEL C.A., GIES D.R., et al.
2016MNRAS.463.3616H 43           X         1 5 10 Photochemical-dynamical models of externally FUV irradiated protoplanetary discs. HAWORTH T.J., BOUBERT D., FACCHINI S., et al.
2017MNRAS.465.2432G viz 263       D     X         7 109 37 The MiMeS survey of Magnetism in Massive Stars: magnetic analysis of the O-type stars. GRUNHUT J.H., WADE G.A., NEINER C., et al.
2017A&A...598A.124K 82           X         2 32 6 Orion revisited. III. The Orion Belt population. KUBIAK K., ALVES J., BOUY H., et al.
2017A&A...599A..98P 263       D   O X C       6 28 27 The anatomy of the Orion B giant molecular cloud: A local template for studies of nearby galaxies. PETY J., GUZMAN V.V., ORKISZ J.H., et al.
2017ApJ...838...54T viz 41           X         1 11 9 Relative orbit orientation in several resolved multiple systems. TOKOVININ A. and LATHAM D.W.
2017AJ....153..240A viz 659           X C       15 110 42 An ALMA survey of protoplanetary disks in the σ Orionis cluster. ANSDELL M., WILLIAMS J.P., MANARA C.F., et al.
2017A&A...602A..92P 9 5 The early B-type star Rho Ophiuchi A is an X-ray lighthouse. PILLITTERI I., WOLK S.J., REALE F., et al.
2017MNRAS.468.2469K 41           X         1 23 3 Proper motions of five OB stars with candidate dusty bow shocks in the Carina Nebula. KIMINKI M.M., SMITH N., REITER M., et al.
2017ApJ...844...47R 412           X C       9 50 5 First large-scale Herbig-Haro jet driven by a proto-brown dwarf. RIAZ B., BRICENO C., WHELAN E.T., et al.
2017ApJ...844..103T viz 41           X         1 1174 9 Orbit alignment in triple stars. TOKOVININ A.
2017A&A...605A..26P 82               F     1 32 16 BRITE Constellation: data processing and photometry. POPOWICZ A., PIGULSKI A., BERNACKI K., et al.
2017ApJ...851L..49F 58       D     X         2 4 3 First detection of interstellar S2H. FUENTE A., GOICOECHEA J.R., PETY J., et al.
2017MNRAS.472.3887M viz 16       D               1 2145 4 Kinematics of OB-associations in Gaia epoch. MEL'NIK A.M. and DAMBIS A.K.
2018AJ....155...80B 752           X C       17 15 ~ Kinematics of the Horsehead Nebula and IC 434 ionization front in CO and C+. BALLY J., CHAMBERS E., GUZMAN V., et al.
2018MNRAS.473.4497R viz 42           X         1 84 1 Astrometric and photometric measurements of binary stars with adaptive optics: observations from 2001 to 2006. ROBERTS L.C. and MASON B.D.
2018A&A...609A..87N 143 5 Connection between jets, winds and accretion in T Tauri stars. The X-shooter view. NISINI B., ANTONIUCCI S., ALCALA J.M., et al.
2018MNRAS.475..139Z 42           X         1 35 1 Confirming the least massive members of the Pleiades star cluster. ZAPATERO OSORIO M.R., BEJAR V.J.S., LODIEU N., et al.
2018MNRAS.475..839S 42           X         1 12 3 HD 156324: a tidally locked magnetic triple spectroscopic binary with a disrupted magnetosphere. SHULTZ M., RIVINIUS T., WADE G.A., et al.
2018MNRAS.475.5460H 85           X         2 3 5 Where can a Trappist-1 planetary system be produced? HAWORTH T.J., FACCHINI S., CLARKE C.J., et al.
2018ApJ...859...21A viz 42           X         1 107 21 ALMA survey of Lupus protoplanetary disks. II. Gas disk radii. ANSDELL M., WILLIAMS J.P., TRAPMAN L., et al.
2018ApJ...859...32P 167           X C       3 48 7 Homogeneous analysis of the dust morphology of transition disks observed with ALMA: investigating (dust) trapping and the origin of the cavities. PINILLA P., TAZZARI M., PASCUCCI I., et al.
2018MNRAS.476.4690S 17       D               1 18 ~ Modelling the diffuse dust emission around Orion. SAIKIA G., SHALIMA P. and GOGOI R.
2018A&A...613A...9M viz 100       D     X         3 602 4 Optical-NIR dust extinction towards Galactic O stars. MAIZ-APELLANIZ J. and BARBA R.H.
2018MNRAS.478.2700W 125           X         3 30 5 Protoplanetary disc truncation mechanisms in stellar clusters: comparing external photoevaporation and tidal encounters. WINTER A.J., CLARKE C.J., ROSOTTI G., et al.
2018A&A...615A.161M 3553     A D     X C       85 14 ~ Lucky Spectroscopy, an equivalent technique to Lucky Imaging. Spatially resolved spectroscopy of massive close visual binaries using the William Herschel Telescope. MAIZ-APELLANIZ J., BARBA R.H., SIMON-DIAZ S., et al.
2018AJ....156...84K viz 460           X         11 9041 11 The APOGEE-2 survey of the Orion star-forming Complex. II. Six-dimensional structure. KOUNKEL M., COVEY K., SUAREZ G., et al.
2018A&A...616L..15X viz 17       D               1 5779 1 A comparison of the local spiral structure from Gaia DR2 and VLBI maser parallaxes. XU Y., BIAN S.B., REID M.J., et al.
2018A&A...616A.135M 42           X         1 105 ~ Quantitative spectral classification of Galactic O stars. MARTINS F.
2018A&A...618A.110B viz 17       D               1 261 1 Infrared nebulae around bright massive stars as indicators for binary interactions. BODENSTEINER J., BAADE D., GREINER J., et al.
2019MNRAS.482.3950S 85           X         2 20 ~ NU Ori: a hierarchical triple system with a strongly magnetic B-type star. SHULTZ M., LE BOUQUIN J.-B., RIVINIUS T., et al.
2019AJ....157...85B viz 298           X C       6 2109 ~ The CIDA Variability Survey of Orion OB1 II. Demographics of the young, low-mass stellar populations. BRICENO C., CALVET N., HERNANDEZ J., et al.
2019ApJ...872...55J viz 17       D               17 119 ~ A closer look at some gas-phase depletions in the ISM: trends for O, Ge, and Kr versus F*, f(H2), and starlight intensity. JENKINS E.B.
2018AcA....68..285K 17       D               4 77 ~ On the Distance Measurements in the Thin Milky Way Disk. KRELOWSKI J., STROBEL A., GALAZUTDINOV G.A., et al.
2019A&A...622A.149G viz 85               F     1 3134 ~ VISION - Vienna survey in Orion. III. Young stellar objects in Orion A. GROSSSCHEDL J.E., ALVES J., TEIXEIRA P.S., et al.
2019MNRAS.484.2137C 43           X         1 19 ~ Spectroscopic study of the extremely young O-type triple system Herschel 36 A in the Hourglass nebula - I. Orbital properties. CAMPILLAY A.R., ARIAS J.I., BARBA R.H., et al.
2019MNRAS.484.4260S 85           X         2 24 ~ Clumpy dust rings around non-accreting young stars. SCHOLZ A., NATTA A., BOZHINOVA I., et al.
2018RAA....18..104R 17       D               3 34 ~ Analysis of the X-ray emission of OB stars: O stars. RYSPAEVA E. and KHOLTYGIN A.
2019A&A...623A..72K viz 17       D               1 117248 ~ Stellar and substellar companions of nearby stars from Gaia DR2. Binarity from proper motion anomaly. KERVELLA P., ARENOU F., MIGNARD F., et al.
2019A&A...623A..84C viz 85             C       2 141 ~ The Arches cluster revisited. III. An addendum to the stellar census. CLARK J.S., LOHR M.E., PATRICK L.R., et al.
2019ApJ...874..127B 43           X         1 13 ~ Unresolved binaries and galactic clusters' mass estimates. BORODINA O.I., SELEZNEV A.F., CARRARO G., et al.
2019MNRAS.486.4423H 128           X         3 6 ~ Bow shocks, bow waves, and dust waves - II. Beyond the rip point. HENNEY W.J. and ARTHUR S.J.
2019MNRAS.486.4947K 954       D     X C       22 3 ~ Infrared dust arcs around stars - I. Effect of the radiation pressure. KATUSHKINA O.A. and IZMODENOV V.V.
2019A&A...626A..20M viz 2384     A D     X C       56 128 ~ MONOS: Multiplicity Of Northern O-type Spectroscopic systems. I. Project description and spectral classifications and visual multiplicity of previously known objects. MAIZ-APELLANIZ J., TRIGUEROS PAEZ E., NEGUERUELA I., et al.
2019A&A...629A.114C viz 17       D               2 193 ~ Stars and brown dwarfs in the σ Orionis cluster. IV. IDS/INT and OSIRIS/GTC spectroscopy and Gaia DR2 astrometry. CABALLERO J.A., DE BURGOS A., ALONSO-FLORIANO F.J., et al.
2019MNRAS.489.5669P viz 230       D     X C       5 106 ~ The MiMeS survey of magnetism in massive stars: magnetic properties of the O-type star population. PETIT V., WADE G.A., SCHNEIDER F.R.N., et al.
2019ApJ...886...86L 43           X         1 6 ~ The role of C/O in nitrile astrochemistry in PDRs and planet-forming disks. LE GAL R., BRADY M.T., OBERG K.I., et al.
2019MNRAS.489.2142H 187       D     X C       4 25 ~ Bow shocks, bow waves, and dust waves - III. Diagnostics. HENNEY W.J. and ARTHUR S.J.
2019MNRAS.490.5478W 43           X         1 12 ~ A solution to the proplyd lifetime problem. WINTER A.J., CLARKE C.J., ROSOTTI G.P., et al.
2020ApJ...889...50Y viz 61       D     X         2 64 ~ Young stars near cometary globule CG 30 in the tumultuous Gum Nebula. YEP A.C. and WHITE R.J.
2020MNRAS.493.2339M viz 17       D               1 2114 ~ Internal motions in OB associations with Gaia DR2. MELNIK A.M. and DAMBIS A.K.
2020A&A...636A..28M 44           X         1 27 ~ Spatially resolved spectroscopy of close massive visual binaries with HST/STIS. I. Seven O-type systems. MAIZ APELLANIZ J. and BARBA R.H.
2020MNRAS.494.1838S 44           X         1 11 ~ The role of wind driving in OB star bow nebulae. STRUCK C.
2020A&A...638A.157H viz 104       D       C       2 159 ~ The IACOB project. VI. On the elusive detection of massive O-type stars close to the ZAMS. HOLGADO G., SIMON-DIAZ S., HAEMMERLE L., et al.
2020A&A...639A..81B viz 322       D     X C       7 115 ~ Variability of OB stars from TESS southern Sectors 1-13 and high-resolution IACOB and OWN spectroscopy. BURSSENS S., SIMON-DIAZ S., BOWMAN D.M., et al.
2020A&A...639A.110A 148       D     X         4 41 ~ Large-scale [C II] 158 µm emission from the Orion-Eridanus superbubble. ABDULLAH A. and TIELENS A.G.G.M.
2020A&A...639A.144S 87           X         2 7 ~ Dust evolution across the Horsehead nebula. SCHIRMER T., ABERGEL A., VERSTRAETE L., et al.
2020MNRAS.497.2327M 44           X         1 6 ~ Impact of PAH photodissociation on the formation of small hydrocarbons in the Orion Bar and the horsehead PDRs. MURGA M.S., KIRSANOVA M.S., VASYUNIN A.I., et al.
2020A&A...640A..27V viz 218           X C       4 28 ~ Protoplanetary disk masses in NGC 2024: Evidence for two populations. VAN TERWISGA S.E., VAN DISHOECK E.F., MANN R.K., et al.
2020ApJ...902..122K 44           X         1 28 ~ Supernovae in Orion: the missing link in the star-forming history of the region. KOUNKEL M.
2020AJ....160..268T viz 131           X C       2 1158 ~ Statistics of wide pre-main-sequence binaries in the Orion OB1 association. TOKOVININ A., PETR-GOTZENS M.G. and BRICENO C.
2020ApJ...904..146F viz 44           X         1 645 ~ The first extensive spectroscopic study of young stars in the North America and Pelican Nebulae. FANG M., HILLENBRAND L.A., KIM J.S., et al.
2020A&A...643A..36B viz 17       D               1 363 ~ 3D chemical structure of diffuse turbulent ISM. I. Statistics of the HI-to-H2 transition. BELLOMI E., GODARD B., HENNEBELLE P., et al.
2021PASP..133a4401Y 735       D S   X C       15 33 ~ Searching for possible exoplanet transits from BRITE data through a machine learning technique. YEH L.-C. and JIANG I.-G.
2021A&A...645A..17C 90           X         2 37 ~ Strong Hα emission in the young planetary mass companion 2MASS J0249-0557 c. CHINCHILLA P., BEJAR V.J.S., LODIEU N., et al.
2021A&A...645A..27G viz 45           X         1 8 ~ Quantitative inference of the H2 column densities from 3 mm molecular emission: case study towards Orion B. GRATIER P., PETY J., BRON E., et al.
2021MNRAS.501.3502H 90           X         2 11 ~ Proplyds in the flame nebula NGC 2024. HAWORTH T.J., KIM J.S., WINTER A.J., et al.
2021A&A...646A..11M 717     A D S   X C       15 71 ~ Lucky spectroscopy, an equivalent technique to lucky imaging. II. Spatially resolved intermediate-resolution blue-violet spectroscopy of 19 close massive binaries using the William Herschel Telescope. MAIZ APELLANIZ J., BARBA R.H., FARINA C., et al.
2021A&A...646A.100A 314           X C F     5 5 ~ Learning to do multiframe wavefront sensing unsupervised: Applications to blind deconvolution. ASENSIO RAMOS A. and OLSPERT N.
2020RAA....20..108R 17       D               2 97 ~ Analysis of the X-ray emission from OB stars III: low-resolution spectra of OB stars. RYSPAEVA E. and KHOLTYGIN A.
2021A&A...647A..91G 1030     A D   O X C       23 50 ~ 3D dynamics of the Orion cloud complex. Discovery of coherent radial gas motions at the 100-pc scale. GROSSSCHEDL J.E., ALVES J., MEINGAST S., et al.
2021ApJ...913...95P 914       D     X C       20 9 ~ External photoevaporation of protoplanetary disks: does location matter? PARKER R.J., ALCOCK H.L., NICHOLSON R.B., et al.
2021MNRAS.504.3203S 45           X         1 26 ~ NGC 6611 601: a hot pre-main-sequence spectroscopic binary containing a centrifugal magnetosphere host star. SHULTZ M.E., ALECIAN E., PETIT V., et al.
2021MNRAS.504.3730C viz 18       D               1 1398 ~ Synthetic RGB photometry of bright stars: definition of the standard photometric system and UCM library of spectrophotometric spectra. CARDIEL N., ZAMORANO J., BARA S., et al.
2021A&A...651A.111P 134           X         3 32 ~ [C II] 158 µm line emission from Orion A I. A template for extragalactic studies? PABST C.H.M., HACAR A., GOICOECHEA J.R., et al.
2021ApJ...918...75E 269           X         6 10 ~ Numerical Models of externally irradiated Herbig-Haro objects. ESTRELLA-TRUJILLO D., VELAZQUEZ P.F., RAGA A.C., et al.
2021PASJ...73..880Y 269           X C       5 23 ~ A kinematic analysis of the CO clouds toward a reflection nebula NGC 2023 observed using the Nobeyama 45 m telescope: Further evidence for a cloud-cloud collision in the Orion region. YAMADA R.I., ENOKIYA R., SANO H., et al.
2021ApJ...919...27K viz 63       D     X         2 17 ~ A near-infrared survey of uv-excited molecular hydrogen in photodissociation regions. KAPLAN K.F., DINERSTEIN H.L., KIM H., et al.
2022A&A...657A..60S 233           X C       4 21 ~ News from Gaia on σ Ori E: A case study for the wind magnetic braking process. SONG H.F., MEYNET G., MAEDER A., et al.
2022A&A...657A.131M viz 252       D     X C       5 222 ~ The Villafranca catalog of Galactic OB groups. II. From Gaia DR2 to EDR3 and ten new systems with O stars. MAIZ APELLANIZ J., BARBA R.H., FERNANDEZ ARANDA R., et al.
2022MNRAS.510.2883F 47           X         1 6 ~ A survey for variable young stars with small telescopes - V. Analysis of TX Ori, V505 Ori, and V510 Ori, the HST ULLYSES targets in the σ Ori cluster. FROEBRICH D., EISLOFFEL J., STECKLUM B., et al.
2022ApJ...925...75P 467           X         10 15 ~ Evidence for Centrifugal Breakout around the Young M Dwarf TIC 234284556. PALUMBO E.K., MONTET B.T., FEINSTEIN A.D., et al.
2022A&A...658A..96B 19       D               2 95 ~ The CubeSpec space mission. I. Asteroseismology of massive stars from time-series optical spectroscopy: Science requirements and target list prioritisation. BOWMAN D.M., VANDENBUSSCHE B., SANA H., et al.
2022A&A...658A..98P 47           X         1 47 ~ [C II] 158 µm line emission from Orion A. II. Photodissociation region physics. PABST C.H.M., GOICOECHEA J.R., HACAR A., et al.
2022A&A...658A.178S 93           X         2 53 ~ The APEX Large CO Heterodyne Orion Legacy Survey (ALCOHOLS). I. Survey overview. STANKE T., ARCE H.G., BALLY J., et al.
2022MNRAS.511.3832A 47           X         1 15 ~ Interstellar hydrocarbons: degradation chemistry in diffuse clouds. AWAD Z. and VITI S.
2022ApJ...925..150L 47           X         1 6 ~ Charge-exchange X-Ray Signature in Laboratory Outflow Interaction with Neutrals. LIANG G.Y., WEI H.G., YUAN D.W., et al.
2022MNRAS.513.2039S 952       D     X C       20 63 ~ Magnetic fields and young stellar objects in cometary cloud L1616. SAHA P., SOAM A., BAUG T., et al.
2022A&A...664A..88E viz 47           X         1 30 ~ Filamentary structures of ionized gas in Cygnus X. EMIG K.L., WHITE G.J., SALAS P., et al.
2022MNRAS.516.2812C 47           X         1 15 ~ Trumpler 16-26: a new centrifugal magnetosphere star discovered via SDSS/APOGEE H-band spectroscopy. CHOJNOWSKI S.D., HUBRIG S., LABADIE-BARTZ J., et al.
2022A&A...666A..26B viz 280           X C       5 21 ~ Surveying the inner structure of massive young stellar objects using L-band spectroscopy. BARR A.G., LI J., BOOGERT A., et al.
2023A&A...670A..59G 220       D     X         5 22 ~ Gas kinematics around filamentary structures in the Orion B cloud. GAUDEL M., ORKISZ J.H., GERIN M., et al.
2023ApJ...947...66F 100           X         2 35 ~ A 3D View of Orion. I. Barnard's Loop. FOLEY M.M., GOODMAN A., ZUCKER C., et al.
2023AJ....165..198H 500           X C       9 14 ~ Magnetic Fields in the Horsehead Nebula. HWANG J., PATTLE K., PARSONS H., et al.
2023ApJ...948..139R 20       D               2 159 ~ A Reexamination of Phosphorus and Chlorine Depletions in the Diffuse Interstellar Medium. RITCHEY A.M., BROWN J.M., FEDERMAN S.R., et al.

goto View the references in ADSLimited to 100

2023.06.10-15:22:33

© Université de Strasbourg/CNRS

    • Contact