False Colour Image of XMMU J2235.3-2557

False colour image of the XMMU J2235.3-2557 cluster of galaxies, overlaid with the X-ray intensity contours derived from the ESA XMM-Newton data. The red channel is a VLT-ISAAC image (exposure time: 1 hour) obtained in the near-infrared Ks-band (at wavelength 2.2 microns); the green channel is a VLT-FORS2 z-band image (910 nm; 480 sec); the blue channel is a VLT-FORS2 R-band image (; 657 nm; 1140 sec). The VLT reveals 12 reddish galaxies, of elliptical types, as members of the cluster.

Credit:

ESO

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About the Image

Id:eso0506b
Type:Observation
Release date:2 March 2005
Related releases:eso0506
Size:1816 x 1338 px

About the Object

Name:XMMU J2235.3-2557
Type:• Early Universe : Galaxy : Grouping : Cluster
• X - Galaxy Clusters
Distance:z=1.39 (redshift)

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Großes JPEG
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Colours & filters

BandWavelengthTelescope
Optical
R
657 nm Very Large Telescope
FORS2
Infrared
Z
910 nm Very Large Telescope
FORS2
Infrared
K
2.2 μm Very Large Telescope
ISAAC

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