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XSPEC model for testing the Kerr black hole hypothesis using the continuum-fitting method

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arxiv 1903.09782 v2 pith:VSZLLNCQ submitted 2019-03-23 gr-qc astro-ph.HE

XSPEC model for testing the Kerr black hole hypothesis using the continuum-fitting method

Menglei Zhou , Askar B. Abdikamalov , Dimitry Ayzenberg , Cosimo Bambi , Honghui Liu , Sourabh Nampalliwar This is my paper
classification gr-qc astro-ph.HE
keywords modelblackxspecaccretioncontinuum-fittingholekerrmethod
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present NKBB, an XSPEC model for the thermal spectrum of thin accretion disks in parametric black hole spacetimes. We employ the Novikov-Thorne model for the description of the accretion disk and the formalism of the transfer function proposed by Cunningham for storing all the relativistic effects of the spacetime metric. The current version of the model assumes the Johannsen metric, but it can be easily extended to any stationary, axisymmetric, and asymptotically-flat spacetime without pathological properties. The model can be used within the XSPEC package to test the Kerr nature of astrophysical black holes with the continuum-fitting method.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Physics and Astrophysics of Black Holes with eXTP

    astro-ph.HE 2026-07 accept novelty 2.0

    eXTP’s larger effective area and simultaneous polarimetry will tighten black-hole spin and Kerr-deviation constraints relative to NICER for the same exposure.