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| Format: | Preprint |
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2024
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| Online Access: | https://arxiv.org/abs/2411.12507 |
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| _version_ | 1866915026037637120 |
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| author | Jiang, Jiachen |
| author_facet | Jiang, Jiachen |
| contents | Around 50 years ago, the famous bet between Stephen Hawking and Kip Thorne on whether Cyg X-1 hosts a stellar-mass black hole became a well-known story in the history of black hole science. Today, Cyg X-1 is widely recognised as hosting a stellar-mass black hole with a mass of approximately 20 solar masses. With the advancement of X-ray telescopes, Cyg X-1 has become a prime laboratory for studies in stellar evolution, accretion physics, and high-energy plasma physics. In this review, we explore the latest results from X-ray observations of Cyg X-1, focusing on its implications for black hole spin, its role in stellar evolution, the geometry of the innermost accretion regions, and the plasma physics insights derived from its X-ray emissions. This review primarily focuses on Cyg X-1; however, the underlying physics applies to other black hole X-ray binaries and, to some extent, to AGNs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_12507 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Fifty Years After the Discovery of the First Stellar-Mass Black Hole: A Review of Cyg X-1 Jiang, Jiachen High Energy Astrophysical Phenomena Around 50 years ago, the famous bet between Stephen Hawking and Kip Thorne on whether Cyg X-1 hosts a stellar-mass black hole became a well-known story in the history of black hole science. Today, Cyg X-1 is widely recognised as hosting a stellar-mass black hole with a mass of approximately 20 solar masses. With the advancement of X-ray telescopes, Cyg X-1 has become a prime laboratory for studies in stellar evolution, accretion physics, and high-energy plasma physics. In this review, we explore the latest results from X-ray observations of Cyg X-1, focusing on its implications for black hole spin, its role in stellar evolution, the geometry of the innermost accretion regions, and the plasma physics insights derived from its X-ray emissions. This review primarily focuses on Cyg X-1; however, the underlying physics applies to other black hole X-ray binaries and, to some extent, to AGNs. |
| title | Fifty Years After the Discovery of the First Stellar-Mass Black Hole: A Review of Cyg X-1 |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2411.12507 |