Testing General Relativity with the Reflection Spectrum of the Supermassive Black Hole in 1H0707-495

Physical Review Letters
Zheng CaoJavier A García

Abstract

Recently, we have extended the x-ray reflection model relxill to test the spacetime metric in the strong gravitational field of astrophysical black holes. In the present Letter, we employ this extended model to analyze XMM-Newton, NuSTAR, and Swift data of the supermassive black hole in 1H0707-495 and test deviations from a Kerr metric parametrized by the Johannsen deformation parameter α_{13}. Our results are consistent with the hypothesis that the spacetime metric around the black hole in 1H0707-495 is described by the Kerr solution.

References

Jan 1, 2012·Living Reviews in Relativity·Piotr T ChruścielMarkus Heusler
Jan 1, 2014·Living Reviews in Relativity·Clifford M Will

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