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A comparative study of the timing and the spectral properties during two recent outbursts (2010 & 2011) of H 1743-322
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A comparative study of the timing and the spectral properties during two recent outbursts (2010 & 2011) of H 1743-322
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A comparative study of the timing and the spectral properties during two recent outbursts (2010 & 2011) of H 1743-322
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Paper
A comparative study of the timing and the spectral properties during two recent outbursts (2010 & 2011) of H 1743-322
2013
Overview
The Galactic black hole candidate (BHC) H~1743-322 recently exhibited two outbursts in X-rays in August 2010 & April 2011. The nature (outburst profile, evolution of quasi-periodic oscillation (QPO) frequency and spectral states, etc.) of these two successive outbursts, which continued for around two months each, are very similar. We present the results obtained from a comparative study on the temporal and the spectral properties of the source during these two outbursts. The evolutions of QPOs observed in both the outbursts were well fitted with propagating oscillatory shock (POS) model. During both the outbursts, the observed spectral states (i.e, hard, hard-intermediate, soft-intermediate and soft) follow the `standard' type of hysteresis-loop, which could be explained with two component advective flow (TCAF) model.
Publisher
Cornell University Library, arXiv.org
Subject
