EXOSAT spectrum of Capella

EXOSAT spectrum of Capella

Image credit: ESA

The spectrum of the hot corona around the late-type star Capella, obtained with the 500 l/mm transmission grating (TGS) shows numerous emission lines of highly ionized atoms. The spectrum is well described by the summed emission from an optically thin 3 million degree (blue) and and 18 million degree (red) plasma.

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Last modified: Thursday, 26-Jun-2003 13:48:45 EDT