期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 435, 期 2, 页码 1165-1173出版社
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stt1367
关键词
accretion; accretion discs; black hole physics; X-rays: binaries; X-rays: individual: XTE J1118+480
资金
- Guizhou Provincial Natural Science Foundation [2010080]
- Science and Technology Foundation of Guizhou Province [J[2012]2314, LKT[2012]27]
- Natural Science Foundation of China [11203057]
- SHAO key project [ZDB201204]
Under the framework of the magnetized accretion ejection structures, we analyse the energy balance properties, and study the spectral energy distributions (SEDs) of the jet-emitting disc (JED) model for black hole X-ray transients. Various radiative processes are considered, i.e. synchrotron, bremsstrahlung, and their Comptonizations, and external Comptonization of radiation from the outer thin disc. With these cooling terms taken into account, we solve the thermal equilibrium equation self-consistently and find three solutions, of which the cold and the hot solutions are stable. Subsequently, we investigate the theoretical SEDs for these two stable solutions. We find the hot JED model can naturally explain the spectra of the Galactic microquasars in their hard states. As an example, we apply this model to the case of XTE J1118+480.
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