A possible solution for the lack of EHB binaries in globular clusters

Context. The binary fraction among extreme horizontal branch (EHB) stars in Galactic globular clusters (GCs) is an order of magnitude lower than the binary fraction among their counterparts, field hot subdwarfs. This casts serious doubt on their formation channels. Aims. In this Letter, I explain th...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2008-06, Vol.484 (3), p.L31-L34
1. Verfasser:	Han, Z.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy binaries: close Earth, ocean, space Exact sciences and technology globular clusters: general stars: horizontal-branch stars: subdwarfs
Online-Zugang:	Volltext
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