Evolution of the quasi-periodic oscillation frequency in GRO J1655-40 – Implications for accretion disk dynamics

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Authors

S. K. Chakrabarti · Indian Centre for Space Physics

D. Debnath · Indian Centre for Space Physics

A. Nandi · Indian Centre for Space Physics

P. S. Pal · Indian Centre for Space Physics

Abstract

Context. Low and intermediate frequency quasi-periodic oscillations (QPOs) are thought to be due to oscillations of Comptonizing regions or hot blobs embedded in Keplerian disks. Any movement of these perturbations is expected systematically to change the QPO frequency.

Topics & Keywords

Astrophysical Phenomena and Observations Astrophysics and Star Formation Studies Astronomy and Astrophysical Research

Publication Details

Published in: Astronomy and Astrophysics

Volume 489, Issue 3, pp. L41-L44

DOI: 10.1051/0004-6361:200810136

Field-Weighted Citation Impact: 1.89

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Evolution of the quasi-periodic oscillation frequency in GRO J1655-40 – Implications for accretion disk dynamics

Authors

Abstract

Topics & Keywords

Publication Details