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File:Central part of the galaxy cluster RXJ0152 7-1357 (geminiann05004a).jpg

Central_part_of_the_galaxy_cluster_RXJ0152_7-1357_(geminiann05004a).jpg ‎(550 × 320 pixels, file size: 67 KB, MIME type: image/jpeg)

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Captions

The central part of the galaxy cluster RXJ0152.7-1357, which lies at a redshift of 0.83, is shown in this HST/ACS archival data view. The image covers 75 × 45 arcseconds, which corresponds to about 0.6 × 0.35 megaparsecs.

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Description
English: The central part of the galaxy cluster RXJ0152.7-1357, which lies at a redshift of 0.83, is shown in this HST/ACS archival data view. The image covers 75 × 45 arcseconds, which corresponds to about 0.6 × 0.35 megaparsecs. Most of the galaxies in the cluster appear as yellow/orange objects in this image, and most of these are elliptical galaxies. The many faint blue and very elongated objects are gravitationally lensed background galaxies. The gravitational lensing shows, in agreement with the X-ray data, that RXJ0152.7-1357 is a very massive cluster. The observations were done in three colors, r' (630nm), i' (775nm), and z' (925nm). These images are shown as blue (r'), green (i'), and red (z') to form the color image.
Date 28 March 2005 (upload date)
Source Central part of the galaxy cluster RXJ0152.7-1357
Author International Gemini Observatory/NOIRLab/NSF/AURA
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current20:53, 27 October 2023Thumbnail for version as of 20:53, 27 October 2023550 × 320 (67 KB)OptimusPrimeBot (talk | contribs)#Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/large/geminiann05004a.jpg via Commons:Spacemedia

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