统一X射线双星中的盘喷流行为:一种光学/红外方法
Unifying disc-jet behaviour in X-ray binaries: an optical/IR approach
摘要:
由X射线双星产生的喷流的同步辐射可以在光学和红外(IR)频率上被探测到。我表明,9个X射线双星爆发的光学/红外色星等图成功地分离热盘发射的非热喷流发射,在黑洞和中子星源。一个加热的单温黑体是能够重现观察到的颜色和大小之间的关系,除了当偏移的颜色比预期的更红,这是由于喷流发射。一般的图片,开发,然后纳入统一的图片中的磁盘喷流行为的黑洞X射线双星。在X射线硬度-强度图中,在源的给定位置处,可以推断出放射性、红外和光学性质。同样,也可以通过光学/红外监测来预测X射线和射电光度以及光谱状态。
英文摘要:
Synchrotron emission from jets produced by X-ray binaries can be detected at optical and infrared (IR) frequencies. I show that optical/IR colour-magnitude diagrams of the outbursts of nine X-ray binaries successfully separate thermal disc emission from non-thermal jet emission, in both black hole and neutron star sources. A heated single-temperature blackbody is able to reproduce the observed relations between colour and magnitude, except when excursions are made to a redder colour than expected, which is due to jet emission. The general picture that is developed is then incorporated into the unified picture of disc-jet behaviour in black hole X-ray binaries. At a given position of a source in the X-ray hardness-intensity diagram, the radio, IR and optical properties can be inferred. Similarly, it is possible to predict the X-ray and radio luminosities and spectral states from optical/IR monitoring.
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