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| Main Author: | |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2603.00833 |
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| _version_ | 1866908874868523008 |
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| author | Liu, Honghui |
| author_facet | Liu, Honghui |
| contents | The accretion-ejection activities of black holes play a vital role in shaping the Universe. Bright and recurrent black hole X-ray binaries are ideal objects for studying accretion physics across a wide range of accretion rates, providing insights into the understanding of their supermassive counterparts. This short review summarizes X-ray techniques capable of measuring accretion geometry, our current understanding, and open questions. In particular, X-ray spectroscopic studies indicate that the accretion disk can extend close to the innermost stable circular orbit in the bright hard state. Some hints of disk-corona-jet connections are also discussed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_00833 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Accretion Geometry of Black Hole X-ray Binaries: Insights from X-ray Observations Liu, Honghui High Energy Astrophysical Phenomena The accretion-ejection activities of black holes play a vital role in shaping the Universe. Bright and recurrent black hole X-ray binaries are ideal objects for studying accretion physics across a wide range of accretion rates, providing insights into the understanding of their supermassive counterparts. This short review summarizes X-ray techniques capable of measuring accretion geometry, our current understanding, and open questions. In particular, X-ray spectroscopic studies indicate that the accretion disk can extend close to the innermost stable circular orbit in the bright hard state. Some hints of disk-corona-jet connections are also discussed. |
| title | Accretion Geometry of Black Hole X-ray Binaries: Insights from X-ray Observations |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2603.00833 |