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dc.contributor.authorCurran, Peter
dc.contributor.authorMiller-Jones, James
dc.contributor.authorRushton, A.
dc.contributor.authorPawar, D.
dc.contributor.authorAnderson, G.
dc.contributor.authorAltamirano, D.
dc.contributor.authorKrimm, H.
dc.contributor.authorBroderick, J.
dc.contributor.authorBelloni, T.
dc.contributor.authorFender, R.
dc.contributor.authorKörding, E.
dc.contributor.authorMaitra, D.
dc.contributor.authorMarkoff, S.
dc.contributor.authorMigliari, S.
dc.contributor.authorRumsey, C.
dc.contributor.authorRupen, M.
dc.contributor.authorRussell, D.
dc.contributor.authorRussell, T.
dc.contributor.authorSarazin, C.
dc.contributor.authorSivakoff, C.
dc.contributor.authorSoria, R.
dc.contributor.authorTetarenko, A.
dc.contributor.authorTitterington, D.
dc.contributor.authorTudose, V.
dc.identifier.citationCurran, P. and Miller-Jones, J. and Rushton, A. and Pawar, D. and Anderson, G. and Altamirano, D. and Krimm, H. et al. 2015. Radio polarimetry as a probe of unresolved jets: The 2013 outburst of XTE J1908+094. Monthly Notices of the Royal Astronomical Society. 451 (4): pp. 3975-3985.

XTE J1908+094 is an X-ray transient black hole candidate in the Galactic plane that was observed in outburst in 2002 and 2013. Here we present multifrequency radio and X-ray data, including radio polarimetry, spanning the entire period of the 2013 outburst. We find that the X-ray behaviour of XTE J1908+094 traces the standard black hole hardness–intensity path, evolving from a hard state, through a soft state, before returning to a hard state and quiescence. Its radio behaviour is typical of a compact jet that becomes quenched before discrete ejecta are launched during the late stages of X-ray softening. The radio and X-ray fluxes, as well as the light-curve morphologies, are consistent with those observed during the 2002 outburst of this source. The polarization angle during the rise of the outburst infers a jet orientation in agreement with resolved observations but also displays a gradual drift, which we associate with observed changes in the structure of the discrete ejecta. We also observe an unexpected 90° rotation of the polarization angle associated with a second component.

dc.publisherOxford University Press
dc.titleRadio polarimetry as a probe of unresolved jets: The 2013 outburst of XTE J1908+094
dc.typeJournal Article
dcterms.source.titleMonthly Notices of the Royal Astronomical Society

This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society © 2015 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

curtin.departmentDepartment of Physics and Astronomy
curtin.accessStatusOpen access

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