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Exploring Regimes in Black Hole Scaling

Published online by Cambridge University Press:  21 February 2013

Sebastian Heinz  and
Andrea Merloni
Sebastian Heinz
Affiliation:
University of Wisconsin-Mdiosn, Madison, WI 53706, USA email: [email protected]
Andrea Merloni
Affiliation:
Max-Planck-Institute for Extraterrestrial PhysicsGarching, Germany email: [email protected]
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Abstract

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Recent observational evidence suggests the existence of two tracks in the radio-X-ray relation for X-ray binaries. Claims have also been made for deviations from the so-called fundamental plane of black hole activity due to the influence of radiative cooling on synchrotron emission from jets and the relative importance of disk and jet emission. In addition, cases of strongly boosted classes of objects, such as BL Lacs, show evidence for jet emission in their location relative to the fundamental plane. In light of the recent literature activity discussing these issues, we revisit the scaling relations expected for synchrotron emission from jet cores. We review the set of scaling laws expected for different types of emission and discuss their relevance to the new observational data, and the conditions under which breaks in the observed scaling relations should be expected. None of the canonical cases offer a satisfactory explanation for the best fit slope of the steep branch of the radio-X-ray relation in hard-state X-ray binaries.

Keywords

JetsSynchrotron EmissionBlack Holes
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S290: Feeding Compact Objects: Accretion on All Scales , August 2012 , pp. 29 - 36
Copyright
Copyright © International Astronomical Union 2013

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