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  Quasi-periodic oscillations in the X-ray light curves from relativistic tori

Schnittman, J. D., & Rezzolla, L. (2006). Quasi-periodic oscillations in the X-ray light curves from relativistic tori. Astrophysical Journal, 637(2), L113-L116.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4A9B-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4A9C-0
Genre: Journal Article

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19763.web.pdf (Publisher version), 230KB
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 Creators:
Schnittman, Jeremy D.1, Author
Rezzolla, Luciano2, Author              
Affiliations:
1External Organizations, ou_persistent13              
2Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              

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Free keywords: accretion, accretion disks; black hole physics; X-rays : binaries
 Abstract: We use a relativistic ray-tracing code coupled to a relativistic hydrodynamics code to analyze the X-ray emission from a pressure-supported oscillating torus around a black hole. Solving the relativistic radiative transfer equation along each photon path, we calculate the X-ray light curves, power spectra, and broadened emission lines, as seen by a distant observer from various inclinations. We show that a strong correlation exists between the intrinsic frequencies of the torus normal modes and the extrinsic frequencies seen in the observed light-curve power spectrum. This correlation demonstrates the feasibility of the oscillating-torus model to explain the multiple peaks seen in black hole high-frequency quasi-periodic oscillations. Observations of these features can provide important information about the torus as well as the black hole.

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Language(s): eng - English
 Dates: 2006-02-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 298223
ISI: 000235131900012
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Title: Astrophysical Journal
  Alternative Title : Astrophys. J.
Source Genre: Journal
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Pages: - Volume / Issue: 637 (2) Sequence Number: - Start / End Page: L113 - L116 Identifier: ISSN: 0004-637X