M 101 Combined X-Ray and Optical Image
Minimum credit line: Image courtesy of Rosemary Willatt (ESAC) and ESA. (for details, see Conditions of Use).
Credit: ESA/XMM-Newton, CC BY-SA 3.0 IGO
The image above can be displayed at full size and may be downloaded by clicking the image above.
The image shows an XMM-Newton EPIC image (colour) overlayed
onto an optical Digitised Sky Survey image of the spiral galaxy M101
(greyscale). The XMM-Newton image comprises data from the MOS and pn cameras,
and is false coloured as follows: low energy (0.2-1.0 keV) photons are shown in
red, medium energy (1.0-2.0 keV) in green, and high energy (2.0-12 keV) in
blue. The Digitised Sky Survey image of the galaxy was taken in the blue
optical band and has been displayed in inverted greyscale (areas of emission
are seen as black against a white background) so that the X-ray image can be
seen through it.
Investigator(s): M. Watson and K. Kuntz
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