Nearby star HR1099
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Nearby star HR1099

January 24, 2013
X-ray image of the field around the bright star HR1099. This X-ray image also illustrates the collecting power of XMM, as many of the other X-ray sources in the image were hitherto unknown, or allow more detailed studies of these objects than before. HR1099 is a nearby star with a hot corona which is very active in X-rays. Copyright: ESA

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