The Hard X-ray Recovery of the Symbiotic Star, CH Cygni

Details The Hard X-ray Recovery of the Symbiotic Star, CH Cygni The Hard X-ray Recovery of the Symbiotic Star, CH Cygni

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2046....1m&link_type=abstract

The Astronomer's Telegram, #2046

Astronomy and Astrophysics

Astronomy

3

X-Ray, Request For Observations, Cataclysmic Variables

Scientific paper

After at least 18 months in a hard X-ray faint state, in which RXTE/PCA flux values were comparable to the estimated systematic uncertainties in the PCA background model, CH Cygni has begun steadily brightening in the 2-10 keV band. We have been monitoring CH Cyg with RXTE since 2007 July, with a pointing every 3 weeks. It is strongly detected in the last three pointings (since 2009 March) at 2-10 keV flux above 10-11 ergs cm-2s-1.

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