Testing General Relativity with NuSTAR Data of Galactic Black Holes

被引：31

作者：

Tripathi, Ashutosh ^{[1
,2
]}

Zhang, Yuexin ^{[3
]}

Abdikamalov, Askar B. ^{[1
,2
,4
]}

Ayzenberg, Dimitry ^{[5
]}

Bambi, Cosimo ^{[1
,2
]}

Jiang, Jiachen ^{[6
]}

Liu, Honghui ^{[1
,2
]}

Zhou, Menglei ^{[7
]}

机构：

[1] Fudan Univ, Ctr Field Theory & Particle Phys, Shanghai 200438, Peoples R China

[2] Fudan Univ, Dept Phys, Shanghai 200438, Peoples R China

[3] Univ Groningen, Kapteyn Astron Inst, NL-9747 AD Groningen, Netherlands

[4] Ulugh Beg Astron Inst, Tashkent 100052, Uzbekistan

[5] Eberhard Karls Univ Tubingen, Theoret Astrophys, D-72076 Tubingen, Germany

[6] Tsinghua Univ, Dept Astron, Beijing 100084, Peoples R China

[7] Eberhard Karls Univ Tubingen, Inst Astron & Astrophys, D-72076 Tubingen, Germany

来源：

ASTROPHYSICAL JOURNAL | 2021年 / 913卷 / 02期

基金：

中国国家自然科学基金;

关键词：

DENSITY REFLECTION SPECTROSCOPY; ACCRETION DISC; SPECTRA; SPIN; I;

D O I：

10.3847/1538-4357/abf6cd

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Einstein's theory of General Relativity predicts that the spacetime metric around astrophysical black holes is described by the Kerr solution. In this work, we employ state-of-the-art relativistic reflection modeling to analyze a selected set of NuSTAR spectra of Galactic black holes to obtain the most robust and precise constraints on the Kerr black hole hypothesis possible today. Our constraints are much more stringent than those from other electromagnetic techniques and, with some sources, we find stronger constraints than those currently available from gravitational waves.

引用

页数：14

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