GRS 1915+105射电辐射的准周期变化

Vistas in Astronomy Pub Date : 1997-01-01 DOI:10.1016/S0083-6656(96)00056-6

Guy Pooley

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引用次数: 1

摘要

在1995年底和1996年初，当GRS 1915+105的射电辐射在x射线波段活跃时，Ryle望远镜间歇性地观测了GRS 1915+105的15 GHz射电辐射。在燃烧活动期间观察到通量密度的巨大变化。在通量处于中等水平的几天里，似乎出现了一个周期接近40分钟的准周期分量。后来的观测表明，其他周期也存在。

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Quasi-periodic variations in the radio emission from GRS 1915+105

Observations of the radio emission at 15 GHz from GRS 1915+105 were made with the Ryle telescope intermittently during late 1995, early 1996, at a time when the source was active in the X-ray band. Wide variations in flux density were observed during the flaring activity. On several days when the flux was at an intermediate level there appeared to be a quasi-periodic component with a period close to 40 min. Later observations show that other periods are also present.

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