Spectroscopic analysis of southern B and Be stars

Details Spectroscopic analysis of southern B and Be stars Spectroscopic analysis of southern B and Be stars

2006-06-07

arxiv.org/abs/astro-ph/0606149v1

Mon.Not.Roy.Astron.Soc.371:252-262,2006

Astronomy and Astrophysics

Astrophysics

10 pages, 6 figures

Scientific paper

10.1111/j.1365-2966.2006.10655.x

Spectroscopic monitoring of 141 southern field B type stars, 114 of them known to exhibit the Be phenomenon, allowed the estimation of their projected rotational velocities, effective temperatures and superficial gravities from both line and equivalent width fitting procedures. Stellar ages, masses and bolometric luminosities were derived from internal structure models. Without taking into account for the effects of gravity darkening, we notice the occurrence of the Be phenomenon in later stages of main sequence phase.

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