The Galactic distribution of Wolf-Rayet stars

Details The Galactic distribution of Wolf-Rayet stars The Galactic distribution of Wolf-Rayet stars

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...182l..43d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 182, no. 2, Aug. 1987, p. L43-L46.

Astronomy and Astrophysics

Astrophysics

9

Star Distribution, Wolf-Rayet Stars, Mathematical Models, O Stars

Scientific paper

The correlation between the distributions of WR and O stars within 2.5 kpc from the sun are investigated mathematically. The WR distribution is compared to the distribution of O stars more massive than a given mass M. The results show that the distribution of WR stars is the most compatible with the distribution of O stars more massive than 35 solar masses, which is slightly smaller than suggested by Conti et al. (1983). Comparison of the WR distribution with the distribution of O stars within given mass ranges suggests that single WR stars are formed from 23-25 solar masses onwards, that binary WR stars are formed from all O-type (binary) stars, and that WC stars are formed from O stars with masses between 30 and 45 solar masses.

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