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 XMM-Newton Home > Gallery Home > Interaction of Galaxies > Clusters of Galaxies > Abell 2028

Dancing 'comet' clusters in Abell 2028, seen by XMM-Newton

Minimum credit line: Image courtesy of Fabio Gastaldello (INAF-IASF Milano and University of California Irvine) and ESA. (for details, see Conditions of Use).

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About this Image

Abell 2028 is a very interesting double cluster. The figure shows the X-ray surface brightness in the 0.5-2 keV band revealing the interaction between two sub-clusters which show stripped tails like comets. Sharp surface brightness discontinuities called cold fronts have been detected at the leading edges of the two substructures.

Investigator(s):  Fabio Gastaldello

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XMM-Newton; Europe's X-Ray Observatory
Last update: 09-Oct-2013 by