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M 81 combined X-ray and Ultraviolet image

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Minimum credit line: Image courtesy of A. Breeveld, M.S.S.L. and RGS Consortium and ESA. (for details, see Conditions of Use).

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About this Image

A combined Ultraviolet and X-ray colour image of the LINER galaxy M81 taken with the XMM-Newton Optical Monitor and X-ray Telescopes. The image covers a region approximately one quarter of a degree on a side. In the UV image the coolest regions are shown blue, while the hotter regions are green. Overlaid on top of the UV is an image of the more energetic X-ray regions from the EPIC MOS cameras. These are shown in red. The point-like LINER nucleus, seen at the centre of the galactic bulge, is thought to be a 'mini-quasar' accreting gas at a very low rate. The spiral arms of the galaxy are traced out by hot, star-forming regions which are bright in the shorter wavelength ultraviolet bands. The predominantly blue-coloured point-like objects are foreground stars in our own Galaxy.

Investigator(s):  A. Brinkman and the RGS Consortium

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Last update: 09-Oct-2013 by