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 caused by circumbinary massive planets or brown dwarfs. Various evolutionary scenarios have been proposed for these stars, but a definite mecha...

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Veröffentlicht in:	arXiv.org 2018-01
Hauptverfasser:	Pulley, D, Faillace, G, Smith, D, Watkins, A, S von Harrach
Format:	Artikel
Sprache:	eng
Schlagworte:	Accretion disks B stars Binary stars Brown dwarf stars Eclipses Eclipsing binary stars Extrasolar planets Observers Physics - Solar and Stellar Astrophysics Planetary evolution Stellar evolution Subdwarf stars Telescopes
Online-Zugang:	Volltext
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