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(Redirected from Arp 12)
Galaxy in the constellation Cancer
It was classified under "galaxies with split arms" in the 1966 Atlas of Peculiar Galaxies by Halton Arp, who noted that the "nucleus may be double or superposed star".
NGC 2608 is now considered to be a pair of interacting galaxies.
SN 1920A was discovered at magnitude 12.9 on 8 February 1920, by German astronomer Max Wolf (1863–1932). It peaked in brightness on 15 February 1920 at magnitude 12.05. Its visual magnitude implies an overluminous bolometric magnitude; SN 1920A has since been classified as anomalous and is believed to be the result of "a completely different explosion mechanism."
SN 2001bg was discovered on 9 May 2001 (May 8.943 UT) by noted supernova hunter Tom Boles of Coddenham, Suffolk, England, with a 0.36 m Schmidt-Cassegrain telescope. When first observed it was magnitude 14; it later peaked at around 13.7. Its spectrum indicates that it is a typical Type Ia supernova.
Schaefer, Bradley E.; Girard, Terrence M.; arjun (2000). "Weird Supernovae: Superluminous, Superfast and Superfaint Examples". Anni Mirabiles, A Symposium Celebrating the 90th Birthday of Dorrit Hoffleit Held 7–8 March 1997 at Yale University, New Haven, CT.: 69–70. Bibcode:1999anmi.conf...69S.
Hubble Space Telescope image of NGC 2608
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