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The coupling of a disk corona and a jet for the radio/X-ray correlation in black hole X-ray binaries

Published online by Cambridge University Press:  07 March 2016

Erlin Qiao
Erlin Qiao*
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China email: qiaoel@nao.cas.cn
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Abstract

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We interpret the radio/X-ray correlation of LR ∝ LX~1.4 for LX/LEdd ≳ 10−3 with a detailed disk corona-jet model, in which the accretion flow and the jet are connected by a parameter, η, describing the fraction of the matter in the accretion flow ejected outward to form the jet. We calculate LR and LX at different Ṁ, adjusting η to fit the observed radio/X-ray correlation of the black hole X-ray transient H1743-322 for LX/LEdd > 10−3. It is found that the value of η for this radio/X-ray correlation for LX/LEdd > 10−3, is systematically less than that of the case for LX/LEdd < 10−3, which is consistent with the general idea that the jet is often relatively suppressed at the high luminosity phase in black hole X-ray binaries.

Keywords

accretionaccretion diskX-rays: individual: H1743-322X-rays: binariesradio continuum: stars
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Issue S312: Star Clusters and Black Holes in Galaxies across Cosmic Time , August 2014 , pp. 247 - 248
Copyright
Copyright © International Astronomical Union 2016 

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