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X-ray and optical view of the Coma galaxy cluster

X-ray and optical view of the Coma galaxy cluster


Date: 10 January 2020
Satellite: XMM-Newton
Depicts: Coma galaxy cluster
Copyright: ESA/XMM-Newton/SDSS/J. Sanders et al. 2019

This image shows the bright, nearby, and massive Coma galaxy cluster in X-ray and optical light, as seen by XMM-Newton's European Photon Imaging Camera (EPIC) and the Sloan Digital Sky Survey (SDSS).

Using XMM-Newton to study Coma and another notably massive cluster, Perseus, astronomers spotted the first signs of gas sloshing around in Perseus – a behaviour that, while predicted, had never been seen before – while Coma appears to comprise two major sub-clusters that are slowly merging together.

Full story: First sighting of hot gas sloshing in galaxy cluster

Last Update: 10 January 2020
10-Aug-2020 19:43 UT

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