FUV Spectroscopy of the sdOB Primary of the Eclipsing Binary System AA Dor

Details FUV Spectroscopy of the sdOB Primary of the Eclipsing Binary System AA Dor FUV Spectroscopy of the sdOB Primary of the Eclipsing Binary System AA Dor

2007-10-09

arxiv.org/abs/0710.1715v1

Astronomy and Astrophysics

Astrophysics

4 pages, 6 figures

Scientific paper

AA Dor is an eclipsing, close, post common-envelope binary (PCEB). We present a detailed spectral analysis of its sdOB primary star based on observations obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE). Due to a strong contamination by interstellar absorption, we had to model both, the stellar spectrum as well as the interstellar line absorption in order to reproduce the FUV observation well and to determine the photospheric parameters precisely.

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