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Arp 243 (Interacting Galaxy)


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Arp 243 (NGC 2623)
Interacting Galaxy (相互作用銀河)
Gx Sb/P

別名 (Other names)
NGC 2623, PGC 24288, UGC 4509

明るさ (Brightness)

13.2等級


星座 (Constellation)
かに座 (Cnc) (Cancer)

距離 (Distance)
3億光年 (300 million light-years)

Arp 243 (NGC 2623) is an interacting galaxy located 300 million light years from the Earth in the constellation Cancer.

Arp 243 (NGC 2623) : Picture

Merging NGC 2623
Merging NGC 2623
(C) NASA
NGC 2623 is really two galaxies that are becoming one. Seen to be in the final stages of a titanic galaxy merger, the pair lies some 300 million light-years distant toward the constellation Cancer. The violent encounter between two galaxies that may have been similar to the Milky Way has produced widespread star formation near a luminous core and along eye-catching tidal tails. Filled with dust, gas, and young blue star clusters, the opposing tidal tails extend well over 50,000 light-years from the merged nucleus. Likely triggered by the merger, accretion by a supermassive black hole drives activity within the nuclear region. The star formation and its active galactic nucleus make NGC 2623 bright across the spectrum. This sharp cosmic snapshot of NGC 2623 (aka Arp 243) is based on Hubble Legacy Archive image data that also reveals even more distant background galaxies scattered through the field of view.

NGC 2623: Galaxy Merger from Hubble
NGC 2623: Galaxy Merger from Hubble
(C) NASA
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