INTEGRAL Instrument Capabilities: Analysis of Cataclysmic Variables and Related Objects

Physics

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Scientific paper

We discuss the possibilities of detection of cata- clysmic variables (CVs) and related objects by the in- dividual instruments onboard INTEGRAL. A brief summary of the types of CVs and their radiative pro- cesses is therefore given. We conclude that the most promising CVs to be detected by INTEGRAL in hard X-rays appear to be the systems with magne- tized white dwarf, like polars and intermediate po- lars (IP). Especially those IPs which undergo dwarf nova-type outbursts (e.g. GK Per) appear to be very good targets among CVs because the intensity of their hard X-ray emission rises by a large amount during outburst. We present maps of the currently available coverage of the sky with known CVs and symbiotic stars by the Galactic scans with OMC and IBIS onboard INTEGRAL. We also include exam- ples of the OMC light curves of CVs and symbiotics and an identification of the IP V 2400 Oph and the symbiotic V 2116 Oph with IBIS. Key words: novae, cataclysmic variables; X-rays: bi- naries; white dwarfs; Stars: dwarf novae; binaries: close; binaries: symbiotic.

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