Rx j0719.2+6557: a new eclipsing polar

Tovmassian, G.; Greiner, J.; Zickgraf, F.J.; Kroll, P.; Krautter, J.; Thiering, I.; Serrano, A.

Rx j0719.2+6557: a new eclipsing polar

Sep, 1996

2 pages

Published in:

Astron.Astrophys. 328 (1997) 571

e-Print:

astro-ph/9609166 [astro-ph]

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Abstract: (arXiv)

A new magnetic, eclipsing cataclysmic variable is identified as the counterpart of the X-ray source RX J0719.2+6557 detected during the ROSAT all-sky survey. The relative phasing of photometric and spectroscopic periods indicates a self-eclipsing system. Doppler tomography points to the heated surface of the secondary as a strong source of emission and of diskless accretion. Near-infrared spectroscopy revealed two unusual strong emission features originating on the heated side of the secondary.

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