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

(2) Department of Physics; Astronomy; Astrophysic; Baltimore; Eberhard Karls University; Germany; Jeffrey W. Kruk (2) ((1)Institute for Astronomy; Johannes Fleig (1); Johns Hopkins University; Kepler Center for Astro

arxiv: 0710.1715 · v1 · submitted 2007-10-09 · 🌌 astro-ph

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

Johannes Fleig (1) , Thomas Rauch (1) , Klaus Werner (1) , Jeffrey W. Kruk (2) ((1)Institute for Astronomy , Astrophysic , Kepler Center for Astro , Particle Physics , Eberhard Karls University

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T\"ubingen Germany (2) Department of Physics Astronomy Johns Hopkins University Baltimore USA)

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classification 🌌 astro-ph

keywords absorptionbinaryeclipsinginterstellarprimarysdobwellanalysis

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

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