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Isolating the jet in broadband spectra of XBs

Published online by Cambridge University Press:  24 February 2011

David M. Russell ,
Fraser Lewis ,
Dipankar Maitra ,
Robert J. H. Dunn ,
Sera Markoff ,
Peter G. Jonker ,
Manuel Linares  and
Valeriu Tudose
David M. Russell
Affiliation:
Astronomical Institute ‘Anton Pannekoek’, University of Amsterdam, PO Box 94249, 1090 GE Amsterdam, the Netherlands; email: d.m.russell@uva.nl
Fraser Lewis
Affiliation:
Faulkes Telescope Project, School of Physics and Astronomy, Cardiff University, 5, The Parade, Cardiff, CF24 3AA, Wales Department of Physics and Astronomy, The Open University, Walton Hall, Milton Keynes, MK7 6AA, England Division of Earth, Space and Environment, University of Glamorgan, Pontypridd, CF37 1DL, Wales
Dipankar Maitra
Affiliation:
Department of Astronomy, University of Michigan, 500 Church Street, Ann Arbor, MI 48109, USA
Robert J. H. Dunn
Affiliation:
Technische Universität München, Excellence Cluster Universe, Boltzmannstrasse 2, D-85748 Garching, Germany
Sera Markoff
Affiliation:
Astronomical Institute ‘Anton Pannekoek’, University of Amsterdam, PO Box 94249, 1090 GE Amsterdam, the Netherlands; email: d.m.russell@uva.nl
Peter G. Jonker
Affiliation:
SRON, Netherlands Institute for Space Research, Sorbonnelaan 2, 3584 CA, Utrecht, the Netherlands Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA Department of Astrophysics, IMAPP, Radboud University Nijmegen, Toernooiveld 1, 6525 ED, Nijmegen, the Netherlands
Manuel Linares
Affiliation:
MIT Kavli Institute for Astrophysics and Space Research, 70 Vassar Street, Cambridge, MA 02139, USA
Valeriu Tudose
Affiliation:
Netherlands Institute for Radio Astronomy, Oude Hoogeveensedijk 4, 7991 PD Dwingeloo, the Netherlands Astronomical Institute of the Romanian Academy, Cutitul de Argint 5, RO-040557 Bucharest, Romania Research Center for Atomic Physics and Astrophysics, Atomistilor 405, RO-077125 Bucharest, Romania
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Abstract

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Most accretion-powered relativistic jet sources in our Galaxy are transient X-ray binaries (XBs). Efforts to coordinate multiwavelength observations of these objects have improved dramatically over the last decade. Now the challenge is to interpret broadband spectral energy distributions (SEDs) of XBs that are well sampled in both wavelength and time. Here we focus on the evolution of the jet in their broadband spectra. Some of the most densely sampled broadband SEDs of a neutron star transient (IGR J00291+5934) are used to constrain the optically thick–thin break in the jet spectrum. For the black hole transient XTE J1550-564, infrared – X-ray correlations, evolution of broadband spectra and timing signatures indicate that synchrotron emission from the jet likely dominates the X-ray power law at low luminosities (~(2 × 10−4 − 2 × 10−3) LEdd) during the hard state outburst decline.

Keywords

accretionaccretion discsX-rays: binariesISM: jets and outflows
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S275: Jets at all Scales , September 2010 , pp. 317 - 318
Copyright
Copyright © International Astronomical Union 2011

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