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Swift Monitors a Massive Binary's Clashing Winds

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Swift Monitors a Massive Binary's Clashing Winds

M
Michael500ca

20 Views • Oct 14, 2012

Description

O-type stars are among the most massive and hottest known, pounding their surroundings with intense ultraviolet light and powerful outflows called stellar winds. NASA's Swift and ESA's XMM-Newton X-ray observatories took part in a 2011 campaign to monitor the interaction of two O stars bound together in the same binary system: Cygnus OB2 #9.

Credit: NASA's Goddard Space Flight Center