极性催化变量1 RXS J173006 .4+033813
The polar Catalysmic Variable 1RXS J173006.4+033813
摘要:
1 RXS J173006.4+033813是一颗周期为120.21 min的极区激变变星,主星的磁场为B = 42+6-5 MG,主星为M3矮星。该系统在激活态和静止态都表现出高度对称的双峰光度调制。这些产生于回旋束和椭球调制的组合。次级卫星的预计轨道速度为K2 = 390+-4公里/秒。我们将距离的上限定为830+-65 pc。
英文摘要:
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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