Dark matter in CL 0053-37

A "map" of the dark matter distribution (black contours) in the cluster of galaxies CL0053-37, as obtained from the weak lensing effects detected in the WFI images, and the X-ray flux (green contours) taken from the All-Sky Survey carried out by the ROSAT satellite observatory. The distribution of galaxies resembles the elongated, dark-matter profile. Because of ROSAT's limited image sharpness (low "angular resolution"), it cannot be entirely ruled out that the observed X-ray emission is due to an active nucleus of a galaxy in CL0053-37, or even a foreground stellar binary system in NGC 300.

Credit:

ESO

About the Image

Id:eso0221e
Type:Observation
Release date:7 August 2002
Related releases:eso0221
Size:723 x 955 px

About the Object

Name:CL0053-37
Type:• Early Universe : Galaxy : Grouping : Cluster
• Early Universe : Cosmology : Phenomenon : Dark Matter
• X - Galaxy Clusters
Distance:z=0.162 (redshift)

Image Formats

Large JPEG
233.1 KB
Screensize JPEG
289.7 KB

Wallpapers

1024x768
228.0 KB
1280x1024
309.9 KB
1600x1200
381.5 KB
1920x1200
364.2 KB
2048x1536
504.6 KB

Colours & filters

BandTelescope
OpticalMPG/ESO 2.2-metre telescope
WFI

Notes: .

 

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