超亮X射线源

IF 26.3 1区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Annual Review of Astronomy and Astrophysics Pub Date : 2017-03-31 DOI:10.1146/annurev-astro-091916-055259

P. Kaaret, H. Feng, T. Roberts

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引用次数: 264

摘要

我们回顾了超发光X射线源（ULX）的观测结果。ULX的X射线光谱和时间研究表明，存在一种不同于银河系恒星质量黑洞双星的新吸积状态。相干脉动的探测表明，三个ULX中存在中子星吸积体，因此显然存在超爱丁顿光度。ULX的光学和X射线线轮廓以及相关的射电和光学星云的性质表明，ULX会产生强大的外流，这也表明超级爱丁顿吸积。我们讨论了超级爱丁顿吸积的模型及其与ULX观测行为的关系。我们回顾了ULX中存在中等质量黑洞的证据。我们考虑了ULX对活动星系核中超级爱丁顿吸积、早期宇宙加热以及最近通过引力波探测到的黑洞双星起源的影响。

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Ultraluminous X-Ray Sources

We review observations of ultraluminous X-ray sources (ULXs). X-ray spectroscopic and timing studies of ULXs suggest a new accretion state distinct from those seen in Galactic stellar-mass black hole binaries. The detection of coherent pulsations indicates the presence of neutron-star accretors in three ULXs and therefore apparently super-Eddington luminosities. Optical and X-ray line profiles of ULXs and the properties of associated radio and optical nebulae suggest that ULXs produce powerful outflows, also indicative of super-Eddington accretion. We discuss models of super-Eddington accretion and their relationship to the observed behaviors of ULXs. We review the evidence for intermediate-mass black holes (IMBHs) in ULXs. We consider the implications of ULXs for super-Eddington accretion in active galactic nuclei, heating of the early Universe, and the origin of the black hole binary recently detected via gravitational waves.

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来源期刊

Annual Review of Astronomy and Astrophysics 地学天文-天文与天体物理

CiteScore

54.80

自引率

0.60%

发文量

期刊介绍： The Annual Review of Astronomy and Astrophysics is covers significant developments in the field of astronomy and astrophysics including:The Sun,Solar system and extrasolar planets,Stars,Interstellar medium,Galaxy and galaxies,Active galactic nuclei,Cosmology,Instrumentation and techniques, History of the development of new areas of research.