2(+1?) Binary Central Stars: A Spectroscopic Study

2(+1?) Binary Central Stars: A Spectroscopic Study

We report on a study of 3 post common-envelope binary systems; EC 11575-1845, V644 Cas (the central star of the PN HFG 1), and VW Pyx (the central star of K 1–2). These 3 have similar photometric and spectroscopic characteristics. Emission lines from the heated face of the cool star move with differ...

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Veröffentlicht in:Symposium - International Astronomical Union 2003, Vol.209, p.233-233
Hauptverfasser: Exter, Katrina, Pollacco, Don
Format: Artikel
Sprache:eng
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Zusammenfassung:We report on a study of 3 post common-envelope binary systems; EC 11575-1845, V644 Cas (the central star of the PN HFG 1), and VW Pyx (the central star of K 1–2). These 3 have similar photometric and spectroscopic characteristics. Emission lines from the heated face of the cool star move with different velocities, and the H I lines are very broad with deep absorption component(s) visible at all phases.
ISSN:0074-1809
DOI:10.1017/S0074180900208565