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BD+40 4220 , the SIMBAD biblio

BD+40 4220 , the SIMBAD biblio (391 results) C.D.S. - SIMBAD4 rel 1.8 - 2023.09.29CEST21:24:02

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Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1892AN....129..297E 118 1 Stars with remarkable spectra ESPIN T.E.
1951ApJ...114..477W 66 T                   1 2 22 The Of-type spectroscopic binary
BD +40 4220. 		WILSON O.C. and ABT H.A.
1952ApJ...115..459N 118 6 OB stars in the P Cygni region. NASSAU J.J. and HARRIS III D.
1953ApJ...118..161M 15 33 A probable clustering of blue giants in Cygnus. MUNCH L. and MORGAN W.W.
1953PASP...65..141M 65 T                   1 3 15 Light variability of the Of-type spectroscopic binary
BD +40 4220. 		MICZAIKA G.R.
1954ApJ...119..344J 15 74 A heavily obscured O-association in Cygnus. JOHNSON H.L. and MORGAN W.W.
1954ApJ...120..178H 7 8 Polarization of a heavily obscured clustering of O-B stars in Cygnus. HILTNER W.A.
1954ApJ...120..454H 316 12 Interstellar polarization of 405 stars. HILTNER W.A.
1954ApJ...120..506M 32 23 Spectral classification with exceedingly low dispersion. MORGAN W.W., MEINEL A.B. and JOHNSON H.M.
1954PASP...66...85M 14 26 A very red star of early type in Cygnus. MORGAN W.W., JOHNSON H.L. and ROMAN N.G.
1955ApJS....2...41M 1279 406 Studies in galactic structure. II. Luminosity classification for 1270 blue giants stars. MORGAN W.W., CODE A.D. and WHITFORD A.E.
1956ApJ...123..250S 36 46 Some recent results of low-dispersion spectral classification. SCHULTE D.H.
1956ApJ...124..367H 271 199 The law of interstellar reddening and absorption. HILTNER W.A. and JOHNSON H.L.
1958ApJ...128...41S 33 88 New members of the association VI Cygni. II. SCHULTE D.H.
1959IzKry..21..229I 425 5 The spectra, magnitudes and colours of O-A type stars in an area of the Milky Way, with the Center alpha = 20h16m, delta = +42 D 30'. IKHSANOV N.R.
1961PZ.....13..445S 66 T                   1 1 3
V729 Cygni. 		SAZONOV V.
1962ApJ...136..100W 65 18 Observed variations in the law of interstellar reddening. WAMPLER E.J.
1963MNRAS.127...61D 14 5 Neutral hydrogen in galactic star clusters. II. The relation between neutral and ionized hydrogen in a section through Cygnus X. DAVIES R.D. and TOVMASSIAN H.M.
1964AnAp...27..203M 22 4 Polarisation de la lumiere des etoiles dans le systeme U, B, V, R. MARTEL L. and MARTEL M.T.
1964LS....C03....0H 13       D               1 1670 43 Luminous Stars in the Northern Milky Way HARDORP J., THEILE I. and VOIGT H.H.
1965ApJ...141.1340S 281 54 Polarization of galactic clusters M 25, NGC 869, 884, 1893, 2422, 6823, 6871 and association VI Cygni. SERKOWSKI K.
1965JO.....48..107K 147 1 Photoelectric observations of the intensity of the 4430 band in 147 O, B, and A stars in the Northern Milky Way. KRISTENSON H. and RUDKJOBING M.
1966ApJ...144..921W 89 168 Scanner observations of lambda 4430. WAMPLER E.J.
1966PROE....5..111R 1464 74 The Cygnus II association. II. The distribution of stars and interstellar matter. REDDISH V.C., LAWRENCE L.C. and PRATT N.M.
1967PASP...79..347S 12 4 On the masses of Wolf-Rayet stars. SMITH L.F.
1967PASP...79..502H 7 14 On the duplicity of VI Cygni Nos. 5 and 8A. HERBIG G.H.
1967JO.....50...83B 500 18 Photoelectric 4430 observations of 506 O, B and A stars. BAERENTZEN J., GAMMELGAARD P., HILBERG T., et al.
1968ApJ...154..115S 109 101 Correlation between the regional variations in wave length dependence of interstellar extinction and polarization. SERKOWSKI K.
1968MNRAS.138..325T 8 3 A new technique for stellar polarimetry. TREANOR P.J.
1968PASP...80..290W 82 33 Spectral types and H-gamma observations for stars in eight associations. WALKER G.A.H. and HODGE S.M.
1969MmSAI..40..375R 112 17 Researches with the Schmidt telescopes. III. Variables stars in the field of gamma Cygni. ROMANO G.
1970PASP...82..707S 28 5 Criteria for the discovery of beta Cephei stars according to the mu-mechanism theory. STOTHERS R. and SIMON N.R.
1972A&A....21...11G 53 13 Lois de rougissement individuelles d'etoiles de type O. GOY G.
1973A&A....26...17B 27 45 Observations of diffuse interstellar features in the spectra of dust-embedded and field stars. BROMAGE G.E. and NANDY K.
1973A&AS...12..277G 545 35 A new general O type stars catalogue. GOY G.
1973AJ.....78...67L 1 2 Enhancement of spectra by digital convolution. LORRE J.J.
1973ApJ...180L..35W 13 70 Spectral classification of Of stars in VI Cygni (Cygnus OB2) WALBORN N.R.
1973MNRAS.161...85C 38 52 Infra-red observations of young stars. I. Stars in young clusters. COHEN M.
1973MNRAS.161..145A 304 365 Near infrared magnitudes of 248 early-type emission-line stars and related objects. ALLEN D.A.
1974A&AS...15..215O 399 17 On the relationship between the apparent magnitudes given in several catalogues and the UBV system. OCHSENBEIN F.
1974ApJ...191L.131L 40 12 Neutral potassium in dusty clouds. LUTZ B.L.
1974AcA....24...69H 72 T                   1 1 29 The O9+Of eclipsing binary
V729 Cygni in Cygnus OB2. 		HALL D.S.
1974RMxAA...1..211C viz 675 269 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.
1975ApJ...196..129H 1 60 570 The diffuse interstellar bands. IV. The region 4400-6850 Angstroms. HERBIG G.H.
1975ApJ...196..261S 330 1048 Wavelength dependence of interstellar polarization and ratio of total to selective extinction. SERKOWSKI K., MATHEWSON D.S. and FORD V.L.
1976ApJ...204..797B 84 T                   1 1 84 Spectroscopic studies of O-type binaries. I.
BD +40 4220: an enigma ripe for resolution. 		BOHANNAN B. and CONTI P.S.
1976ApJS...30..491H 14       D               1 1947 250 Observations of southern emission-line stars. HENIZE K.G.
1977A&A....58..351H 26 14 A new cluster containing 2 Wolf-Rayet stars and 2 Of stars. HAVLEN R.J. and MOFFAT A.F.J.
1977A&A....61..137W 11 19 V701 Scorpii and its place among early contact binaries. WILSON R.E. and LEUNG K.-C.
1977ApJ...212..714M 22 31 The wavelength dependence of polarization in the Cygnus OB2 association - A new determination of interstellar birefringence. McMILLAN R.S. and TAPIA S.
1977ApJ...218..431M 2 5 53 Spectroscopic studies of O-type binaries. III. HDE 228766: an evolved Of system. MASSEY P. and CONTI P.S.
1977PASP...89..765W 27 8 Interstellar lambda 4430 in the Carina nebula NGC 3603 and VI Cygni. WALBORN N.R.
1978A&A....70...69M 1 7 51 The intrinsically bright Wolf-Rayet stars of type WN 7. MOFFAT A.F.J. and SEGGEWISS W.
1978ApJ...223..168S 108 143 Infrared colors and the diffuse interstellar bands. SNEDEN C., GEHRZ R.D., HACKWELL J.A., et al.
1978ApJ...224..565L 69 T                   1 4 31 Evolved contact systems of spectral type O. III.
V729 Cygni. 		LEUNG K.-C. and SCHNEIDER D.P.
1978ApJS...38..309H 1049 1136 Studies of luminous stars in nearby galaxies. I. Supergiants and O stars in the Milky Way. HUMPHREYS R.M.
1978IBVS.1446....1K 28 7 Peculiarities of some beta Lyrae stars and the need of their further investigation. KREINER J.M. and TREMKO J.
1978PDAO...15..121B 973 284 Seventh catalogue of the orbital elements of spectroscopic binary systems. BATTEN A.H., FLETCHER J.M. and MANN P.J.
1979A&A....71..310D 4 13 The ultraviolet spectrum of upsilon Sagittarii. DUVIGNAU H., FRIEDJUNG M. and HACK M.
1979A&A....76..221A 39 9 The He lam 10830 angstroms emission line in O star spectra. ANDRILLAT Y. and VREUX J.M.
1979A&AS...36...25Y 307 4 Ein Vergleich der Bahnneigungen der raumlich Eng benachbarten spektroskopischen Doppelsternsysteme. YAVUZ I.
1979ApJ...231..502L 4 10 236 Observational tests of theories of contact binaries. LUCY L.B. and WILSON R.E.
1979ApJ...231..742L 1 4 22 The massive multiple system HD 93206 (QZ Carinae) in the great Carina nebula. LEUNG K.-C., MOFFAT A.F.J. and SEGGEWISS W.
1979ApJ...234L..51H 10 5 263 Discovery of an X-ray star association in VI Cygni (CYG OB2) HARNDEN F.R., BRANDUARDI G., ELVIS M., et al.
1979MmSAI..50..551C 165 ~ A catalogue of modern lightcurve synthesis photometric solutions of close binary systems. CESTER B., FEDEL B., GIURICIN G., et al.
1979IAUS...83..271M 1 3 16 The O-type spectroscopic binary system HD 149404. MASSEY P. and CONTI P.S.
1980A&A....86...21V 35 35 Comparison between the observations and evolutionary calculations for massive close binary systems. VANBEVEREN D. and DE LOORE C.
1980ApJ...238..184C 5 19 Spectroscopic studies of O-type binaries. V. The Of system HD 166734. CONTI P.S., MASSEY P., EBBETS D., et al.
1980ApJ...241.1050N 1 6 47 HDE 311884: a massive Wolf-Rayet binary. NIEMELA V.S., CONTI P.S. and MASSEY P.
1980ApJ...242.1063G 95 352 Spectroscopic studies of O type stars. IX. Binary frequency. GARMANY C.D., CONTI P.S. and MASSEY P.
1980AcA....30..501B viz 1051 244 A catalogue of parameters for eclipsing binaries. BRANCEWICZ H.K. and DWORAK T.Z.
1981A&AS...44..179P 307 51 A catalogue of variable-visual binary stars. PROUST D., OCHSENBEIN F. and PETTERSEN B.R.
1981ApJ...245..163V 183 548 Results from an extensive Einstein stellar survey. VAIANA G.S., CASSINELLI J.P., FABBIANO G., et al.
1981ApJ...247..116W 23 23 Radio-wavelength observations of CH in the direction of nearby bright stars. WILLSON R.F.
1981ApJ...250..645A 2 25 278 Mass loss from very luminous OB stars and the Cygnus superbubble. ABBOTT D.C., BIEGING J.H. and CHURCHWELL E.
1981ApJS...46....1G 103 48 Some aspects of mass loss and mass transfer in Algol variables. GIURICIN G. and MARDIROSSIAN F.
1981PASP...93...50H 24 19 Stellar winds in Cygnus OB2 (VI Cygni) HUTCHINGS J.B.
1981Ap&SS..76...23W 16 17 A note on the statistics of early-type close binaries. WILSON R.E. and RAFERT J.B.
1982A&A...105..260V 18 19 On the evolutionary scenario of massive close binaries with primary masses between 20 M and 160 M. VANBEVEREN D.
1982ApJ...263..777G viz 402 379 The initial mass function for massive stars. GARMANY C.D., CONTI P.S. and CHIOSI C.
1982ApJS...50..169C 189 72 A survey of interstellar neutral potassium. I. Abundances and physical conditions in clouds toward 188 early-type stars. CHAFFEE F.H.Jr and WHITE R.E.
1982Ap&SS..87..313L 89 58 Ring nebulae associated with of stars : statistics, classification, origin. LOZINSKAYA T.A.
1982IBVS.2112....1B 252 5 Variable stars in the Northern Luminous stars catalogues. BIDELMAN W.P.
1982SvAL....8..119L 86 7 A search for ring nebulae around of stars. LOZINSKAYA T.A. and LOMOVSKII A.I.
1983A&A...125..388G 80 0 Mass transfer in close binary systems : original and remnant masses. GIURICIN G., MARDIROSSIAN F. and MEZZETTI M.
1983A&AS...54..211G 987 34 Statistics of categorized eclipsing binary systems. Lightcurve shapes, periods, and spectral types. GIURICIN G., MARDIROSSIAN F. and MEZZETTI M.
1983ApJ...267..179M 4 3 72 The nature of NML Cygnus. MORRIS M. and JURA M.
1983ApJ...269..625P 17 26 Infrared photometry and mass loss rates for OF-type stars. PERSI P., FERRARI-TONIOLO M. and GRASDALEN G.L.
1983ApJS...52...35G 103 103 General properties of Algol binaries. GIURICIN G., MARDIROSSIAN F. and MEZZETTI M.
1984A&AS...58..601P 346 13 Binaires spectroscopiques - 14e catalogue complementaire. PEDOUSSAUT A., GINESTET N. and CARQUILLAT J.M.
1984ApJ...279..225A 25 68 2 to 20 micron observations of mass loss from early-type stars. ABBOTT D.C., TELESCO C.M. and WOLFF S.C.
1984ApJS...56..257J viz 163 775 A library of stellar spectra. JACOBY G.H., HUNTER D.A. and CHRISTIAN C.A.
1984AcA....34..191C 48 4 X-Ray properties of hot stars. I. On a dichotomy among O-type stars. CHLEBOWSKI T.
1984Ap&SS..99..237L 9 0 A review of early-type close binary systems. LEUNG K.-C.
1984BICDS..27...91B viz 415 34 A catalogue of classical (evolved) Algol-type binary candidate stars. BUDDING E.
1985A&A...142..263P 74 T                   1 1 21 Time-variable, excess radio emission from
Cyg OB2 No5. 		PERSI P., FERRARI-TONIOLO M., TAPIA M., et al.
1985A&A...143..209V 71 T                   1 1 11 H alpha observations of the enigmatic Of binary
BD +40 4220 = Cyg OB2 No 5 =V729 Cyg. 		VREUX J.M.
1985AJ.....90.2381F 20 62 Stellar radio astrometry. I. Precise positions of the radio emission of twenty stars. FLORKOWSKI D.R., JOHNSTON K.J., WADE C.M., et al.
1985AJ.....90.2387D 21 16 Stellar radio astrometry. II. Precise optical positions of radio stars in the FK4 system. DE VEGT C., FLORKOWSKI D.R., JOHNSTON K.J., et al.
1985AJ.....90.2390J 22 37 Stellar radio astrometry. III. Preliminary comparison of the radio reference frame and the optical FK4- based reference frame by use of stellar radio emission. JOHNSTON K.J., DE VEGT C., FLORKOWSKI D.R., et al.
1985AbaOB..58..375K 12 1 On the possibility of accounting the electromagnetic radiation in the atmospheres of close binary stars. KUDZEJ I.
1985ATsir1363....1K 12 0 On the possibility of taking into account the refraction of electromagnetic radiation in the atmospheres of close binary stars. KUDZEJ I.
1985PZ.....22..219K 69 T                   1 2 5 The research of two small amplitude massive eclipsing binaries
V729 Cygni and CX Cephei. 		KUROCHKIN N.E.
1986ApJ...304..188D 5 3 71 Spectroscopic and polarimetric parameters of the runaway WN 7 binary system HD 197406 : is the secondary an X-ray-quiet black hole ? DRISSEN L., LAMONTAGNE R., MOFFAT A.F.J., et al.
1986ApJ...305..455C 1 14 56 Shapes and correlations as observational discriminants for the origin of diffuse bands. CHLEWICKI G., VAN DER ZWET G.P., VAN IJZENDOORN L.J., et al.
1986ATsir1444....3K 12 1 The effect of refraktion of light in the binary stars. KUDZEJ I.
1986SSRv...43..139D 72 21 Semidetached systems : evolutionary viewpoints and observational constraints. DE GREVE J.P.
1987A&A...173..131C 1 7 33 Correlation of broad and narrow diffuse band features : evidence for molecular carriers. CHLEWICKI G., DE GROOT M.S., VAN DER ZWET G.P., et al.
1987AcASn..28..275L 37 ~ Evolutionary state of contact binaries. LIU Q.-Y.
1988A&AS...72..259D 327 777 Mass loss rates in the Hertzsprung-Russell diagram. DE JAGER C., NIEUWENHUIJZEN H. and VAN DER HUCHT K.A.
1988ApJ...331..932T 89 12 A unified formula for mass-loss rate of O to M stars. TARAFDAR S.P.
1988ApJ...331..999H 25 53 The diffuse interstellar bands. VI. New features near 6800 A. HERBIG G.H.
1988AcASn..29..305X 15 3 Optical determinations in the positions of radio stars. XU T.-Q., LU P.-Z., CHU Z.-Y., et al.
1989ApJ...338..296C 14 32 Variability of X-ray emission from OB stars. COLLURA A., SCIORTINO S., SERIO S., et al.
1989ApJ...340..518B 95 254 A survey of radio emission from galactic OB stars. BIEGING J.H., ABBOTT D.C. and CHURCHWELL E.B.
1989ApJ...341..427C 229 206 The EINSTEIN X-ray Observatory catalog of O-type stars. CHLEBOWSKI T., HARNDEN F.R.Jr and SCIORTINO S.
1989ApJ...342.1091C 108 71 X-ray emission from O-type stars: parameters which affect it. CHLEBOWSKI T.
1989TarOT..94....1N 399 6 Mass loss from stars : the universal formula for mass loss rate. NUGIS T.
1989TarOT.107..113P 47 0 Massive close binaries with early-type components, observed characteristics. POLUSHINA T.S.
1990A&A...236..256M 22 13 Comparison of optical and radio positions of stars. MORRISON L.V., ARGYLE R.W., REQUIEME Y., et al.
1990A&A...240...93P 73 T                   2 24 Thermal and non-thermal radio emission from Cygnus OB2
No 5. 		PERSI P., TAPIA M., RODRIGUEZ L.F., et al.
1990A&AS...86..357W 187 34 An astrometric catalogue of radio stars. WALTER H.G., HERING R. and DE VEGT C.
1990AcASn..31..267X 85 3 Optical positions of the radio stars and the radio sources. XU T.-Q., LU P.-Z., WANG S.-H., et al.
1990BICDS..38..175K 661 7 Close binaries observed polarimetrically. KOCH R.H.
1990Natur.346..729J 2 6 49 Detection of diffuse interstellar bands in the infrared. JOBLIN C., MAILLARD J.P., D'HENDECOURT L., et al.
1990TarOT.106...26S 37 0 Investigation of statistical data for close binary stars. SVETCHNIKOV M.A.
1991A&AS...89..311R viz 156 29 Optical positions of 221 radio stars obtained with the Bordeaux automaticmeridian circle. REQUIEME Y. and MAZURIER J.M.
1991ApJ...382..603W 13 6 Direct evidence for stellar wind X-ray absorption in O stars. WALDRON W.L.
1991MNRAS.249....1T 89 100 uvby and JHKL' photometry of OB stars in the association Cygnus OB2. TORRES-DODGEN A.V., TAPIA M. and CARROLL M.
1991Ap&SS.186....7E 21 3 Ultraviolet light curves of V 535 Arae. EATON J.A.
1991ChA&A..15...19X 83 ~ Optical positions of radio stars and radio sources. XU T.-Q., LU P.-Z., WANG S.-H., et al.
1992A&A...254..266D 1 2 11 High resolution spectroscopic observations of the massive RY Scuti. DE MARTINO D., VITTONE A.A., ROSSI C., et al.
1992A&A...266..202P 155 11 Possible young stellar objects in the region of the Cygnus OB2 (VI Cygni) association from IRAS observations. PARTHASARATHY M., JAIN S.K. and BHATT H.C.
1992A&AS...95..269M 52 2 Optical positions of radio stars observed with the meridian circle of the Real Instituto y Observatorio de la Armada en San Fernando. MUINOS J.L., CAPARROS R., CAYETANO J.M., et al.
1992ApJ...386..562W 1 89 361 Systematic variations in the wavelength dependence of interstellar linear polarization. WHITTET D.C.B., MARTIN P.G., HOUGH J.H., et al.
1992ApJ...387L..81W 1 7 39 Pi0-decay gamma-ray emission from winds of massive stars. WHITE R.L. and CHEN W.
1992ApJ...392..691M 20 43 Interstellar polarization from 3 to 5 microns in reddened stars. MARTIN P.G., ADAMSON A.J., WHITTET D.C.B., et al.
1993ApJ...417..579M 169 113 The diffuse ionized interstellar medium : structures resulting from ionization by O stars. MILLER III W.W. and COX D.P.
1993BaltA...2..171S viz 564 20 Interstellar extinction in the vicinity of the North America and Pelican nebulae. II. STRAIZYS V., KAZLAUSKAS A., VANSEVICIUS V., et al.
1994A&A...281..161A viz 240 98 Radio emission from stars: a survey at 250 GHz ALTENHOFF W.J., THUM C. and WENDKER H.J.
1994A&A...282..547M 72 T                   5 24 VLA observations of Cyg OB2 No 5 : detection of a weak radio companion and new observations and models for the main component. MIRALLES M.P., RODRIGUEZ L.F., TAPIA M., et al.
1994A&A...285..640G 1 3 19 Complex interstellar absorption lines of C2 in the Cygnus OB association. GREDEL R. and MUENCH G.
1994A&AS..107...51A 31 0 Catalogue based comparison of optical and radio positions. ANDREI A.H.
1994ApJ...437..683P 4 19 321 Near-infrared absorption spectroscopy of interstellar hydrocarbon grains. PENDLETON Y.J., SANDFORD S.A., ALLAMANDOLA L.J., et al.
1994RMxAA..29..218M 71 T                   1 0 VLA observations of Cygnus OB2
No 5 : detection of a weak radio companion and new observations and models for the main component. 		MIRALLES M.P., RODRIGUEZ L.F., TAPIA M., et al.
1995A&A...299..213E 13 33 Search for coronene and ovalene cations in the diffuse interstellar medium. EHRENFREUND P., FOING B.H., D'HENDECOURT L., et al.
1995A&AS..109..177W viz 2980 67 Radio continuum emission from stars: a catalogue update. WENDKER H.J.
1995A&AS..114..269D viz 14       D               1 20881 157 Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue. DUFLOT M., FIGON P. and MEYSSONNIER N.
1995ApJ...440..697S 1 16 66 The galactic distribution of aliphatic hydrocarbons in the diffuse interstellar medium. SANDFORD S.A., PENDLETON Y.J. and ALLAMANDOLA L.J.
1995PASP..107..691I 94 0 Evaluation of a 512x512-element platinum silicide Schottky-Barrier infrared image sensor and pilot observations of the Cygnus X region. ITO M., KASABA Y., UENO M., et al.
1995AN....316..171T 39 0 Positions of 46 radio stars: observations of 1984-1985 and 1989-1991. TEL'NYUK-ADAMCHUK V.V., MOLOTAJ O.A. and GREGUL O.Y.
1995P&SS...43.1183E 13 8 Search for fullerenes and PAHs in the diffuse interstellar medium. EHRENFREUND P. and FOING B.H.
1996A&A...312.1031A viz 88 3 Comparison of the Carlsberg optical reference frame with the International Celestial Reference Frame. ARGYLE R.W., EINICKE O.H., PILKINGTON J.D.H., et al.
1996A&AS..116..495H 32 0 Optical positions of radio stars. I. HU H. and LI D.
1996A&AS..117..205F 135 15 Eclipsing binaries as IRAS sources. FRIEDEMANN C., GUERTLER J. and LOEWE M.
1996A&AS..117..335A viz 53 4 Optical positions of radio emitting stars. ASSAFIN M., ANDREI A.H., PULIAEV S.P., et al.
1996A&AS..120C.423C 15 10 Possible detection of π0-decay γ-ray emission from Cyg OB2 by EGRET. CHEN W., WHITE R.L. and BERTSCH D.
1996AJ....112..235I 22 22 Near infrared spectroscopy of highly reddened stars in the Galactic plane. IMANISHI M., SASAKI Y., GOTO M., et al.
1996ApJ...469..329C 1 12 38 VLA observations of massive stars at 7 millimeters. CONTRERAS M.E., RODRIGUEZ L.F., GOMEZ Y., et al.
1996AN....317...35W 24 4 The Cygnus X region. XXI. Radio emission at 1420 MHz from Cyg OB2 stars and two probable cometary HII regions. WENDKER H.J., HIGGS L.A. and LANDECKER T.L.
1996PASJ...48..813K 14 30 ASCA observation of Cygnus OB2 association. KITAMOTO S. and MUKAI K.
1996RMxAC...5...54C 1 8 30 X-ray emission from colliding wind binaries. CORCORAN M.F.
1997A&A...323L..49P viz 14       D               1 118337 2498 The Hipparcos Catalogue. PERRYMAN M.A.C., LINDEGREN L., KOVALEVSKY J., et al.
1997A&A...327.1215S 36 52 The diffuse interstellar bands at 5797, 6379 and 6613A. Ionization properties of the carriers. SONNENTRUCKER P., CAMI J., EHRENFREUND P., et al.
1997A&AS..122..529W viz 65 5 Radio stars for linking celestial reference frames. WALTER H.G., HERING R. and DE VEGT C.
1997A&AS..123...21L 30 2 Optical positions and proper motions of radio stars. LU P.Z. and XU T.Q.
1997AJ....114.1679S 157 7 Accurate positions for radio stars as determined from CCD observations in the extragalactic reference frame. STONE R.C.
1997ApJ...487..847W 262 21 Accurate two-dimensional classification of stellar spectra with artificial neural networks. WEAVER W.B. and TORRES-DODGEN A.V.
1997ApJ...488L.153C 109 T K                 10 53 HIPPARCOS, VLA, and CCD observations of
Cygnus OB2 no. 5: solving the mystery of the radio ``companion''. 		CONTRERAS M.E., RODRIGUEZ L.F., TAPIA M., et al.
1997AAHam..11....1K viz 4093 ~ Catalogue of stars in the Northern Milky Way having H-α in emission. KOHOUTEK L. and WEHMEYER R.
1997PYunO..70d..22L 29 0 Optical positions and proper motions of 31 radio stars. LU P. and XU T.
1998ApJS..115..271R viz 12230 34 UBV beta database for Case-Hamburg Northern and Southern Luminous Stars. REED B.C.
1998ApJS..118..217W 3 5 57 X-ray and radio observations of the Cygnus OB2 association. WALDRON W.L., CORCORAN M.F., DRAKE S.A., et al.
1998MNRAS.298..753P viz 293 26 Mapping the β Cephei instability strip: photometric variability of stars in the central part of the Cygnus OB2 association. PIGULSKI A. and KOLACZKOWSKI Z.
1999A&A...347..235K 68 47 On the relation between diffuse interstellar bands and simple molecular species. KRELOWSKI J., EHRENFREUND P., FOING B.H., et al.
1999A&A...348..868R 90 181 Unidentified 3EG gamma-ray sources at low galactic latitudes. ROMERO G.E., BENAGLIA P. and TORRES D.F.
1999A&AS..134..255K viz 4182 102 Catalogue of H-alpha emission stars in the Northern Milky Way. KOHOUTEK L. and WEHMEYER R.
1999AJ....117..483A 83 1 Early radio positions of stars. ANDREI A.H., ASSAFIN M., PULIAEV S.P., et al.
1999ApJ...517..416R 111 T K                 8 49 The interacting early-type binary BD +40°4220 (V729 Cyg): modeling the colliding winds region. RAUW G., VREUX J.-M. and BOHANNAN B.
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