RS Oph has returned to quiescence levels in X-rays

Details RS Oph has returned to quiescence levels in X-rays RS Oph has returned to quiescence levels in X-rays

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1494....1n&link_type=abstract

The Astronomer's Telegram, #1494

Astronomy and Astrophysics

Astronomy

1

X-Ray, Cataclysmic Variables, Novae

Scientific paper

We report an XMM-Newton observation of the recurrent nova RS Oph, carried out on 2008 Feb 26, 743.9 days after the 2006 outburst. The observation lasted 17 ks, not including periods of high background. The recurrent nova was detected with the EPIC-pn instrument with a count rate of 0.105+/-0.004 c/s. The spectrum is quite soft, with essentially no counts above 2 keV. Very little continuum is present, and several emission features are detected at energies corresponding to lines of Ne IX, O VIII, O VII and N VII.

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