An alternative model of the magnetic cataclysmic variable V1432 aquilae (=RX J1940.1-1025)

被引:10
作者
Mukai, K [1 ]
机构
[1] NASA, High Energy Astrophys Lab, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[2] Univ Space Res Assoc, Greenbelt, MD USA
关键词
stars; individual; (V1432; Aql); binaries; eclipsing; novae; cataclysmic variables; X-ray;
D O I
10.1086/305527
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
V1432 Aql is currently considered to be an asynchronous AM Her type system, with an orbital period of 12,116.3 s and a spin period of 12,150 s. I present an alternative model in which V1432 Aql is an intermediate polar with disk overflow or diskless accretion geometry, with a spin period near 4040 s. I argue that published data are insufficient to distinguish between the two models; instead, I provide a series of predictions of the two models that can be tested against future observations.
引用
收藏
页码:394 / 399
页数:6
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