A non-LTE analysis of the spectra of two narrow lined main sequence stars in the SMC

Details A non-LTE analysis of the spectra of two narrow lined main sequence stars in the SMC A non-LTE analysis of the spectra of two narrow lined main sequence stars in the SMC

2005-03-30

arxiv.org/abs/astro-ph/0503662v1

Astronomy and Astrophysics

Astrophysics

10 pages, 4 figures, 1 online table

Scientific paper

10.1051/0004-6361:20042290

An analysis of high-resolution VLT/UVES spectra of two B-type main sequence stars, NGC 346-11 and AV 304, in the Small Magellanic Cloud (SMC), has been undertaken, using the non-LTE TLUSTY model atmospheres to derive the stellar parameters and chemical compositions of each star. The chemical compositions of the two stars are in reasonable agreement. Moreover, our stellar analysis agrees well with earlier analyses of H II regions. The results derived here should be representative of the current base-line chemical composition of the SMC interstellar medium as derived from B-type stars.

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