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Spectroscopic analysis of OB stars in Cygnus OB2
Published online by Cambridge University Press: 25 May 2016
Abstract
We obtain the stellar parameters of eleven OB stars in Cyg OB2 using model atmospheres. Each of the analysed stars shows an enhanced Helium abundance. We releate this is to the young agae of the OB association and/or the low rotational velocity of the stars.
- Type
- Part 1. Basic observational properties of Wolf-Rayet stars and other hot massive stars
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- Copyright © Astronomical Society of the Pacific 1999