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 XMM-Newton Home > Gallery Home > Galaxies > Normal Galaxies > M 81

M 81 combined X-ray and Ultraviolet image

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

The image above can be displayed at full size and may be downloaded by clicking the image above.

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