The fainter the better: cataclysmic variable stars from the SDSS

Details The fainter the better: cataclysmic variable stars from the SDSS The fainter the better: cataclysmic variable stars from the SDSS

2008-10-27

arxiv.org/abs/0810.4823v1

J.Phys.Conf.Ser.172:012042,2009

Astronomy and Astrophysics

Astrophysics

4 pages, 7 figures, proceedings of the 16th European White Dwarf Workshop (Barcalona, July 2008), in press

Scientific paper

10.1088/1742-6596/172/1/012042

The Sloan Digital Sky Survey has identified a total of 212 cataclysmic variables, most of which are fainter than 18th magnitude. This is the deepest and most populous homogeneous sample of cataclysmic variables to date, and we are undertaking a project to characterise this population. We have found that the SDSS sample is dominated by a great ``silent majority'' of old and faint CVs. We detect, for the first time, a population spike at the minimum period of 80 minutes which has been predicted by theoretical studies for over a decade.

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