Aug 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnt...16..195g&link_type=abstract
Kinematika i Fizika Nebesnykh Tel, vol. 16, no. 3, p. 195-229
Physics
Scientific paper
The modern state of the investigations of the Wolf-Rayet galaxies is reviewed. The basic characteristics of WR stars, up-to-date quantitative schemes of spectral classification of different subtypes of WR stars, the evolution of single and binary massive stars, distribution of WR stars in the galaxies are also discussed. Survey of later evolutionary synthesis models, including the WR stage with enhancement of mass loss rate, is made. On the basis of up-to-date models we analyze the galaxy observations obtained with the largest telescopes, the methods and results of determinations of the number of O and WR stars in WR galaxies, relative number of different subtypes of WR stars, the metallicity effects on the determination of N(WR)/N(O+WR) and N(WC)/N(WN), constraints on the initial mass function, the age and extension of star formation bursts, the chemical enrichment of interstellar matter, the origin of He II λ 468.6 nm emission line in WR galaxies.
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