Metallicities of the beta Cephei stars from low-resolution ultraviolet spectra

Details Metallicities of the beta Cephei stars from low-resolution ultraviolet spectra Metallicities of the beta Cephei stars from low-resolution ultraviolet spectra

2004-10-19

arxiv.org/abs/astro-ph/0410440v1

Astronomy and Astrophysics

Astrophysics

15 pages, 8 figures, 5 tables

Scientific paper

10.1051/0004-6361:20040396

We derive basic stellar parameters (angular diameters, effective temperatures, metallicities) and interstellar reddening for all beta Cephei stars observed during the IUE satellite mission, including those belonging to three open clusters. The parameters are derived by means of an algorithmic procedure of fitting theoretical flux distributions to the low-resolution IUE spectra and ground-based spectrophotometric observations. Since the metallicity has a special importance for pulsating B type stars, we focus our attention in particular on this parameter.

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