The distribution of OB stars in the directions of the stellar associations Aur OB 1 and 2

Autor:	H. M. Tovmassian, R. A. Epremian, D. Huguenin, R. Kh. Hovhannessian
Rok vydání:	1994
Předmět:	Physics Stars Star cluster Spitzer Space Telescope Space and Planetary Science Astronomy Astronomy and Astrophysics Astrophysics Stellar classification Astronomical spectroscopy Main sequence Cosmic dust O-type star
Zdroj:	Monthly Notices of the Royal Astronomical Society. 266:337-342
ISSN:	1365-2966 0035-8711
DOI:	10.1093/mnras/266.2.337
Popis:	42 OB stars have been observed with the space telescope Glazarat 1640 A in an area of about 17 deg 2 in the direction of the stellar associations Aur OB 1 and 2. Twenty-five of the observed stars of known spectral type and with colorimetric data are assigned to four star groups: a B association at a distance of 600 pc and three O associations at distances of 1100, 2000 and 3000 pc respectively, designated Aur B 0.6, Aur OB 1.1, Aur OB 2.0 and Aur OB 3.0. 14 stars of unknown spectral type should be OB or at least early-A-type stars, since their images were obtained on photographs taken with Glazar. The latest possible spectral types of these stars and also of stars for which the spectral types are known only roughly are determined
Databáze:	OpenAIRE
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