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X-ray observations through the outburst cycle of the dwarf nova YZ Cnc

Frank Verbunt·Peter J. Wheatley·Janet A. Mattei
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Abstract

We have observed YZ Cnc at two day intervals from 6 to 24 April 1998, covering two full outburst cycles. The 0.1-2.4 keV flux is lower during optical outburst than in quiescence, and lowest at the end of the outburst. The decline of the X-ray flux in the quiescent interval appears to be in contrast to prediction of simple models for accretion-disk instabilities. Variability on hour time scales is present, but appears not related to the orbital phase. YZ Cnc was less luminous in X-rays during our 1998 observations than in earlier ROSAT observations.

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Frank Verbunt, Peter J. Wheatley, Janet A. Mattei. 1999-03-15. X-ray observations through the outburst cycle of the dwarf nova YZ Cnc. https://arxiv.org/abs/astro-ph/9903224

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