Preliminary analysis of an extreme helium sdO star: BD+25 4655

Details Preliminary analysis of an extreme helium sdO star: BD+25 4655 Preliminary analysis of an extreme helium sdO star: BD+25 4655

2005-01-05

arxiv.org/abs/astro-ph/0501082v1

2003, Proceedings of the IAU Symposium No.210 "Modelling of Stellar Atmospheres", eds. N. Piskunov, W.W. Weiss, D.F. Gray, E44

Astronomy and Astrophysics

Astrophysics

12 pages, 5 figures, poster E44 at the IAU Symp.210, published on the CD-rom accompanying the proceedings

Scientific paper

Preliminary analysis of CCD spectra obtained by the 6m SAO telescope is
presented. We have used simple H-He NLTE model atmospheres computed by TLUSTY
to derive the basic parameters of the star.

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