Suzaku Observations of Accreting White Dwarfs

Details Suzaku Observations of Accreting White Dwarfs Suzaku Observations of Accreting White Dwarfs

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006head....9.0303m&link_type=abstract

American Astronomical Society, HEAD meeting #9, #3.03; Bulletin of the American Astronomical Society, Vol. 38, p.345

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of Suzaku observations of cataclysmic variables (CVs) and symbiotic stars, close binaries in which a white dwarf is accreting from a late type dwarf (CV) or a giant (symbiotic) companion. The combination of the wide bandpass, high sensitivity, and moderate spectral resolution makes Suzaku an ideal observatory to sudy the X-ray emission from these systems. Our presentation will include:
(i) the quiescent and outburst observations of SS Cyg, with strong evidence for reflection continuum and a dramatic change in the Fe K line profile; (ii) a serendipitous observation of the deeply eclipsing magnetic CV, XY Ari, which is detected up to 40 keV for the first time; (iii) an observation of the peculiar magnetic CV, AE Aqr, from which we seek evidence for non-thermal hard X-ray emission due to particle acceleration; and (iv) two observations of the symbiotic star, CH Cyg, which was found in a hard X-ray low state with an extraordinarily strong fluorescent Fe K line.

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