High-speed photometry of the eclipsing cataclysmic variable 1RXS J180834.7+101041
John Southworth, Christopher M Copperwheat
TL;DR
This study presents high-speed photometry of the eclipsing cataclysmic variable 1RXS J180834.7+101041, modeling its binary system to determine orbital inclination, mass ratio, and eclipse characteristics.
Contribution
The paper provides detailed modeling of the binary system, including precise measurements of inclination and mass ratio, based on high-speed photometry data.
Findings
Orbital inclination of 77.07 degrees
Mass ratio of 0.168
Eclipses only of the accretion disc
Abstract
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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Taxonomy
TopicsAstrophysical Phenomena and Observations · Pulsars and Gravitational Waves Research