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AKARI’s views of galaxy M81
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- Title AKARI’s views of galaxy M81
- Released 22/05/2006 10:07 am
- Copyright JAXA
These infrared images of the galaxy M81 were taken by the near- and mid-Infrared Camera (IRC) on board AKARI. The observed wavelengths are 3, 4, 7, 11, 15, and 24 microns, respectively. M81 is a spiral galaxy located at a distance of about 12 million light years from us.
The images at 3 and 4 microns show the distribution of stars in the inner part of the galaxy without any obscuration from intervening dust clouds. At 7 and 11 microns it is possible to see the radiation from organic materials in the interstellar gas of the galaxy. The distribution of the dust heated by young hot stars is exhibited in the images at 15 and 24 micron, showing that the star forming regions sit along the spiral arms of the galaxy.