Astronomy:SN 2011by
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 Image from Richie Jarvis [1] | |
| Spectral class | Type Ia[1] |
|---|---|
| Date | April 26, 2011 (UTC) |
| Constellation | Ursa Major |
| Right ascension | 11h 55m 45.56s[2] |
| Declination | +55° 19′ 33.8″[1] |
| Epoch | J2000 |
| Host | NGC 3972[1] |
| Peak apparent magnitude | < 12[1] |
SN 2011by was a supernova in NGC 3972. It was a type Ia supernova, discovered by Zhangwei Jin and Xing Gao (China). SN 2011by is about 5.3" east and 19.1" north of the center of NGC 3972.[1][2]
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