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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Formation of the compact jets in the black hole GX 339-4
Monthly Notices of the Royal Astronomical Society: Letters, Volume 431, No. 1, Year 2013
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Description
Galactic black hole binaries produce powerful outflows which emit over almost the entire electromagnetic spectrum. Here, we report the first detection with the Herschel observatory of a variable far-infrared source associated with the compact jets of the black hole transient GX 339-4 during the decay of its recent 2010-2011 outburst, after the transition to the hard state. We also outline the results of very sensitive radio observations conducted with the Australia Telescope Compact Array, along with a series of near-infrared, optical (OIR) and X-ray observations, allowing for the first time the re-ignition of the compact jets to be observed over a wide range of wavelengths. The compact jets first turn on at radio frequencies with an optically thin spectrum that later evolves to an optically thick synchrotron emission. An OIR reflare is observed about 10 d after the onset of radio and hard X-ray emission, likely reflecting the necessary time to build up enough density, as well as to have acceleration (e.g. through shocks) along an extended region in the jets. The Herschel measurements are consistent with an extrapolation of the radio inverted power-law spectrum, but they highlight a more complex radio to OIR spectral energy distribution for the jets. © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society.
Authors & Co-Authors
Corbel, Stéphane
France, Paris
Insu - Institut National Des Sciences de L'univers
Aussel, Hervé
France, Paris
Insu - Institut National Des Sciences de L'univers
Broderick, Jess W.
United Kingdom, Southampton
University of Southampton
Chanial, Pierre F.
France, Paris
Insu - Institut National Des Sciences de L'univers
Coriat, Mickaël
United Kingdom, Southampton
University of Southampton
Maury, A. J.
Germany, Garching Bei Munchen
European Southern Observatory
Buxton, Michelle M.
United States, New Haven
Yale University
Tomsick, John A.
United States, Berkeley
University of California, Berkeley
Tzioumis, Anastasios K.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Markoff, Sera B.
Netherlands, Amsterdam
Universiteit Van Amsterdam
Bailyn, Charles D.
United States, New Haven
Yale University
Brocksopp, Catherine
United Kingdom, London
University College London
Fender, Robert P.
United Kingdom, Southampton
University of Southampton
Petrucci, Pierre Olivier
France, Saint Martin D'heres
Verimag
Cadolle-Bel, Marion
Spain, Madrid
European Space Astronomy Centre
Harvey-Smith, Lisa
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Statistics
Citations: 71
Authors: 16
Affiliations: 10
Identifiers
Doi:
10.1093/mnrasl/slt018
ISSN:
17453925
Research Areas
Environmental