Improved bolometric corrections for WR stars

Details Improved bolometric corrections for WR stars Improved bolometric corrections for WR stars

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ssrv...66..413s&link_type=abstract

Space Science Reviews, Volume 66, Issue 1-4, pp. 413-416

Physics

Stars: Wolf-Rayet-Atmospheres

Scientific paper

Evolutionary models allow an assignment of both a mass and a luminosity to a Wolf-Rayet (WR) star in a cluster, and hence allow a determination of the Bolometric Correction (B.C.). The B.C.'s derived for WN stars range from -4.0 to -6.0 with the expected trend of larger values (in absolute values) for stars with higher excitation spectra. For WC stars, there is little evidence for a similar trend; most observations presented here are consistent with B.C.=-4.5, as found by Smith and Maeder (1989). The convergence of B.C. values derived from evolutionary and atmospheric models is extremely satisfactory, giving increased confidence in both methods.

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