Regulation of black-hole accretion by a disk wind during a violent outburst of V404 Cygni

T. Muñoz-Darias (), J. Casares, D. Mata Sánchez, R. P. Fender, M. Armas Padilla, M. Linares, G. Ponti, P. A. Charles, K. P. Mooley and J. Rodriguez
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T. Muñoz-Darias: Instituto de Astrofísica de Canarias
J. Casares: Instituto de Astrofísica de Canarias
D. Mata Sánchez: Instituto de Astrofísica de Canarias
R. P. Fender: Astrophysics, University of Oxford
M. Armas Padilla: Instituto de Astrofísica de Canarias
M. Linares: Instituto de Astrofísica de Canarias
G. Ponti: Max-Planck-Institut für extraterrestrische Physik
P. A. Charles: Astrophysics, University of Oxford
K. P. Mooley: Astrophysics, University of Oxford
J. Rodriguez: Laboratoire Astrophysique Instrumentation Modélisation (AIM), UMR 7158, CEA/CNRS/Université Paris Diderot, CEA DRF/IRFU/SAp

Nature, 2016, vol. 534, issue 7605, 75-78

Abstract: A sustained, neutral wind from the outer accretion disk is observed in the transient black hole V404 Cygni during a violent outburst; this unusual wind, which expands at one per cent of the speed of light and triggers a nebular phase once accretion drops sharply and the ejecta become optically thin, probably regulates the outburst evolution of the black hole.

Date: 2016
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DOI: 10.1038/nature17446

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