Hubble image of the galaxy cluster Abell 3827

This image from the NASA/ESA Hubble Space Telescope shows the rich galaxy cluster Abell 3827. The strange blue structures surrounding the central galaxies are gravitationally lensed views of a much more distant galaxy behind the cluster. Observations of the central four merging galaxies have provided hints that the dark matter around one of the galaxies is not moving with the galaxy itself, possibly implying dark matter-dark matter interactions of an unknown nature are occuring.


About the Image

Id: eso1514a
Type: Observation
Release date: 15 April 2015, 01:01
Related releases: eso1514
Size: 6207 x 4727 px

About the Object

Name: Abell 3827
Type: Early Universe : Cosmology : Phenomenon : Dark Matter
Early Universe : Galaxy : Grouping : Cluster
Distance: z=0.099 (redshift)
Constellation: Indus
Category: Galaxy Clusters


Position (RA): 22 1 55.22
Position (Dec): -59&deg 56′ 58.10″
Field of view: 3.11 x 2.37 arcminutes
Orientation: North is 41.1° right of vertical

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