El Gordo: a massive distant merging galaxy cluster
This picture of the galaxy cluster ACT-CL J0102òÈÒ4915 combines images taken with ESOòÀÙs Very Large Telescope with images from the SOAR Telescope and X-ray observations from NASAòÀÙs Chandra X-ray Observatory. The X-ray image shows the hot gas in the cluster and is shown in blue. This newly discovered galaxy cluster has been nicknamed El Gordo òÀÔ the "big" or "fat one" in Spanish. It consists of two separate galaxy subclusters colliding at several million kilometres per hour, and is so far away that its light has travelled for seven billion years to reach the Earth.
Credit:ESO/SOAR/NASA
About the Image
Id: | eso1203a |
Type: | Observation |
Release date: | 10 January 2012, 17:00 |
Related releases: | eso1203 |
Size: | 1530 x 1182 px |
About the Object
Name: | ACT-CL J0102-4915 |
Type: | • Early Universe : Galaxy : Grouping : Cluster |
Distance: | z=0.87 (redshift) |
Constellation: | Phoenix |
Category: | • Galaxy Clusters |
Wallpapers
1024x768
403.4ˆàKB
1280x1024
741.8ˆàKB
1600x1200
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1920x1200
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2048x1536
1.7ˆàMB
Coordinates
Position (RA): | 1 2 57.07 |
Position (Dec): | -49° 15' 20.97" |
Field of view: | 6.43 x 4.97 arcminutes |
Orientation: | North is 0.1° right of vertical |
Colours & filters
Band | Wavelength | Telescope |
---|---|---|
Optical R | 655 nm | Very Large Telescope FORS2 |
Infrared I | 768 nm | Very Large Telescope FORS2 |
Infrared Z | 910 nm | Very Large Telescope FORS2 |
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