SIMBAD references

2011MNRAS.412..487K - Mon. Not. R. Astron. Soc., 412, 487-491 (2011/March-3)

The orbital periods of AA Dor and NY Vir.

KILKENNY D.

Abstract (from CDS):

New timings of eclipses made between 2000 and 2010 are presented for two binary systems with hot subdwarf primary stars. In the case of AA Dor, an sdOB star with a very cool secondary, the period is found to be constant at a level of about 10–14 d per orbit. In the case of NY Vir, a rapidly pulsating sdBVr with a cool companion, the period is discovered to be decreasing at a rate of -11.2 {x} 10–13 d per orbit.

Abstract Copyright: 2011 The Author Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): binaries: eclipsing - stars: individual: AA Dor - stars: individual: NY Vir

Simbad objects: 6

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