RXTE Observations of Magnetic Cataclysmic Variables

Details RXTE Observations of Magnetic Cataclysmic Variables RXTE Observations of Magnetic Cataclysmic Variables

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003basi...31..347r&link_type=abstract

Bulletin of the Astronomical Society of India, vol. 31, p.347-349

Astronomy and Astrophysics

Astronomy

2

Binaries: Close, Novea, Cataclysmic Variables, Stars: Individual, Tv Col, X-Rays: Stars.

Scientific paper

Results from hard X-ray observations with RXTE of 5 Polar systems-V2301 Oph, V1432 Aql, EP Dra, GG Leo and V834 Cen, and an Intermediate Polar TV Col are presented. An improved ephemeris for V2301 Oph using mid-eclipse timings has been derived. V1432 Aql shows structured lightcurve containing several prominent peaks and dips. A likely eclipse of X-ray source in EP Dra is observed for the first time. The X-ray emission in EP Dra and GG Leo is found to be consistent with a single pole accretion. V 834 Cen was observed to be bright during 1996-1998, but was 16 times fainter during 2002 observations. The power spectrum of TV Col shows a significant power at frequencies corresponding to the spin period (1910s) and the binary period (5.5hr) and their side-bands, thereby suggesting that both the stream-fed and disk-fed accretion components are present in TV Col.

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