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Anne’s Image of the Day: Interacting Galaxies Arp 94

18 Mar 2014, 13:13 UTC
Anne’s Image of the Day: Interacting Galaxies Arp 94
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March 18, 2014 Arp 94, two interacting galaxies in Leo Image Credit & Copyright: Ken Crawford, Rancho Del Sol Observatory Collaboration: David Martinez-Delgado (MPIA, IAC), and the Tidal Stream Survey. Arp 94 is a pair of interacting galaxies located over 50 million light-years away from the Earth in the constellation of Leo (the Lion). It [continue reading]

March 18, 2014
Arp 94, two interacting galaxies in Leo

Image Credit & Copyright: Ken Crawford, Rancho Del Sol Observatory
Collaboration: David Martinez-Delgado (MPIA, IAC), and the Tidal Stream Survey.
Arp 94 is a pair of interacting galaxies located over 50 million light-years away from the Earth in the constellation of Leo (the Lion). It consists of the large, unbarred spiral galaxy NGC 3227 of about 90,000 light-years across, and the smaller dwarf elliptical galaxy NGC 3226. The pair is receding from us at a little over 1150 kilometers per second.
The name “Arp 94″ derives from being included in Arp’s Atlas of Peculiar Galaxies, a catalog of 338 peculiar galaxies, drawn up by Halton Arp in the years from 1962 through 1967 and published by the California Institute of Technology. Arp’s catalog was based only on the visual appearance of galaxies and ...

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