期刊
PHYSICAL REVIEW D
卷 98, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.98.024007
关键词
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资金
- National Natural Science Foundation of China (NSFC) [U1531117]
- Fudan University [IDH1512060]
- Shanghai Government Scholarship (SGS)
- Alexander von Humboldt Foundation
- Excellence Initiative at Eberhard-Karls Universitat Tubingen
Recently, two of us have found a family of singularity-free rotating black hole solutions in Einstein's conformal gravity. These spacetimes are characterized by three parameters: the black hole mass M, the black hole spin angular momentum J, and a parameter L that is not specified by the theory but can be expected to be proportional to the black hole mass M. The Kerr black hole solution of Einstein's gravity is recovered for L = 0. In a previous paper, we showed that X-ray data of astrophysical black holes require L= M < 1.2. In the present paper, we report the results of a more sophisticated analysis. We apply the X-ray reflection model RELXILL_NK to NuSTAR and Swift data of the supermassive black hole in 1H0707-495. We find the constraint L=M < 0.45 (90% confidence level).
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