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.

Kilde:

ESO

Om billedet

Id:eso0506b
Type:Observation
Udgivelsesdato:2. marts 2005
Relaterede pressemeddelelser:eso0506
Størrelse:1816 x 1338 px

Om objektet

Navn:XMMU J2235.3-2557
Type:Early Universe : Galaxy : Grouping : Cluster
Afstand:z=1.39 (rødforskydning)
Kategori:Galaxy Clusters

Billedformater

Stor JPEG
635,9 KB
Skrærm JPEG
241,9 KB

Farver & filtre

BåndBølgelængdeTeleskop
Optisk
R
657 nmVery Large Telescope
FORS2
Infrarød
Z
910 nmVery Large Telescope
FORS2
Infrarød
K
2.2 μmVery Large Telescope
ISAAC

 

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