The quest for stable circumbinary companions to post-common envelope sdB eclipsing binaries: Does the observational evidence support their existence?

Context. Period variations have been detected in a number of eclipsing close compact binary subdwarf B stars (sdBs) and these have often been interpreted as being caused by circumbinary massive planets or brown dwarfs. According to canonical binary models, the majority of sdB systems are produced fr...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2018-03, Vol.611, p.A48
Hauptverfasser:	Pulley, D., Faillace, G., Smith, D., Watkins, A., von Harrach, S.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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