High-speed photometry of the eclipsing cataclysmic variable 1RXS J180834.7+101041

Details High-speed photometry of the eclipsing cataclysmic variable 1RXS J180834.7+101041 High-speed photometry of the eclipsing cataclysmic variable 1RXS J180834.7+101041

2011-01-13

arxiv.org/abs/1101.2534v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

5 pages, 2 figures. Accepted for publication in the April edition of The Observatory

Scientific paper

We present high-speed photometry covering one eclipse of the cataclysmic variable system 1RXS J180834.7+101041. The data are modelled as arising from a close binary system containing a low-mass stars filling its Roche lobe plus a white dwarf with an accretion disc. We find an orbital inclination of 77.07 +/- 0.47 degrees and a mass ratio of 0.168 +/- 0.016. The relatively low inclination means that only the accretion disc and not the white dwarf are eclipsed by the low-mass star in this system.

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