Intrinsic parameters of massive OB-stars

Details Intrinsic parameters of massive OB-stars Intrinsic parameters of massive OB-stars

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ssrv...66..137h&link_type=abstract

Space Science Reviews, Volume 66, Issue 1-4, pp. 137-145

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26

Spectroscopy, Stars:Early Types, Mass, Helium, Line Blocking

Scientific paper

We present the results of our observations of stars of type O5 and earlier and show that inclusion of the line blocking between 228 and 912 A solves the problem found by Herrero et al. (1992) in the determination of their stellar parameters. We study the influence of the line blocking and other effects on the mass and helium discrepancies and show that the first one is reduced by the use of spherical, non hydrostatic model atmospheres and that the second one is probably due to exposure of CNO material.

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