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A dark jet dominates the power output of the stellar black hole Cygnus X-1

Elena Gallo (), Rob Fender, Christian Kaiser, David Russell, Raffaella Morganti, Tom Oosterloo and Sebastian Heinz
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Elena Gallo: University of Amsterdam
Rob Fender: University of Amsterdam
Christian Kaiser: University of Southampton
David Russell: University of Southampton
Raffaella Morganti: Netherlands Foundation for Research in Astronomy
Tom Oosterloo: Netherlands Foundation for Research in Astronomy
Sebastian Heinz: Massachusetts Institute of Technology

Nature, 2005, vol. 436, issue 7052, 819-821

Abstract: In the dark A ring-like structure observed around the black hole in Cygnus X-1 may prompt a rethink on what happens to the power emitted from accreting black holes. The bulk of the energy was thought to be released as X-ray radiation. But the existence of this ring of shocked matter suggests that ‘dark’ relativistic jets of energy and particles, not X-rays, are the main power output.

Date: 2005
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DOI: 10.1038/nature03879

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