The number of Wolf-Rayet stars in Local Group galaxies

Details The number of Wolf-Rayet stars in Local Group galaxies The number of Wolf-Rayet stars in Local Group galaxies

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...189...34a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 189, no. 1-2, Jan. 1988, p. 34-38.

Astronomy and Astrophysics

Astronomy

49

Astronomical Spectroscopy, Irregular Galaxies, Local Group (Astronomy), Star Distribution, Wolf-Rayet Stars, Metallicity, Milky Way Galaxy, Statistical Analysis, Stellar Evolution, Stellar Mass

Scientific paper

The authors present spectroscopic observations of Wolf-Rayet star candidates in the nearby irregular galaxy IC 1613. Only one, which was known previously, is a W-R star. This leads the authors to re-assess the value of the various survey methods used for finding W-R stars in external galaxies. They rediscuss the existing statistics of W-R stars and other types of massive stars in our Galaxy and in some nearby galaxies and show that metallicity is the dominant factor which defines the production of W-R stars, in agreement with the conclusions of Maeder et al. (1980).

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