The Dark Energy Camera Reveals Stunning Image of Shimmering Galaxies in the Antlia Cluster

Dark Energy Camera DECam Galaxies Antila Cluster

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Dark Energy Camera DECam Galaxies Antlia Cluster

View pictures in App save up to 80% data.


NOIRLab’s 570-megapixel Dark Energy Camera (DECam) captured this brilliant image of just a small section of the 230 galaxies that so far have been found to make up the Antlia Cluster, located 130 million light-years from Earth in the Antlia constellation. What stands out most are the two massive elliptical galaxies: NGC 3268 (center) and NGC 3258 (lower right).


Dark Energy Camera DECam Galaxies Antlia Cluster

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The two primary galaxies are encircled by several dim dwarf galaxies. Astronomers hypothesize that NGC 3628 and NGC 3258 are currently merging, supported by X-ray observations that have uncovered a 'rope' of globular clusters in the brightest region between the two. This observation may suggest that the Antlia cluster is, in fact, two smaller clusters merging together.

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The cluster is rich in lenticular galaxies — a type of disk galaxy that has little interstellar matter and thus little ongoing star formation — and also hosts some irregular galaxies. A plethora of rarer, low-luminosity dwarf galaxies have been found in the cluster, including ultra-compact dwarfs, compact ellipticals, and blue compact dwarfs,” said NOIRLab.