ROSAT observations of the magnetic CV V2301 OPH (1H 1752+081)

Details ROSAT observations of the magnetic CV V2301 OPH (1H 1752+081) ROSAT observations of the magnetic CV V2301 OPH (1H 1752+081)

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.290...99r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 290, Issue 1, pp. 99-101.

Other

2

Stars: Individual: V2301 Oph, Stars: Magnetic Fields, Novae, Cataclysmic Variables, Stars: Variables: Other, X-Rays: Stars

Scientific paper

The cataclysmic variable V2301 Oph (1H1752+081) has many features typical of a magnetic AM Her system. If it is such a system, it has two properties which make it a very important system to study: it exhibits an eclipse by the secondary star, and it has a magnetic field strength of 7 MG, a value which overlaps that of the three intermediate polars whose magnetic field strengths are known. However, the ROSAT All-Sky Survey showed V2301 Oph to have an X-ray spectrum much harder than that of an AM Her system. Here I present pointed ROSAT X-ray data of V2301 Oph which show that its X-ray spectrum is consistent with that of a typical AM Her system in a high accretion state, though heavily absorbed by the interstellar medium. In addition, the eclipse of the white dwarf by the secondary star is total in X-rays.

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