The polar Catalysmic Variable 1RXS J173006.4+033813

2); (2) Univ. of Toronto; (3) Space Radiation Lab - Caltech); Fiona A. Harrison (3); Mansi M. Kasliwal (1); Marten H. van Kerkwijk (1; S. R. Kulkarni (1); Varun B. Bhalerao (1); Vikram R. Rana (3) ((1) Caltech

arxiv: 1008.2002 · v1 · pith:ERR3FBETnew · submitted 2010-08-11 · 🌌 astro-ph.SR

The polar Catalysmic Variable 1RXS J173006.4+033813

Varun B. Bhalerao (1) , Marten H. van Kerkwijk (1 , 2) , Fiona A. Harrison (3) , Mansi M. Kasliwal (1) , S. R. Kulkarni (1) , Vikram R. Rana (3) ((1) Caltech , (2) Univ. of Toronto

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(3) Space Radiation Lab - Caltech)

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keywords dwarfj173006modulationpolarsecondaryvariableactivearise

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We report the discovery of 1RXS J173006.4+033813, a polar cataclysmic variable with a period of 120.21 min. The white dwarf primary has a magnetic field of B = 42+6-5 MG, and the secondary is a M3 dwarf. The system shows highly symmetric double peaked photometric modulation in the active state as well as in quiescence. These arise from a combination of cyclotron beaming and ellipsoidal modulation. The projected orbital velocity of the secondary is K2 = 390+-4 km/s. We place an upper limit of 830+-65 pc on the distance.

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The polar Catalysmic Variable 1RXS J173006.4+033813

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