SN 2011by
SN 2011by was a supernova in NGC 3972. It was a type Ia supernova, detected by Zhangwei Jin and Gao Xing in China. SN 2011by is about 5.3" east and 19.1" north of the center of NGC 3972.[1][2]
| Event type | Supernova |
|---|---|
| Type la[1] | |
| Date | c. 66 million years ago (detected 26 April 2011 by Gao Xing and Zhangwei Jin) |
| Constellation | Ursa Major |
| Right ascension | 11h 55m 45.56s[2] |
| Declination | +55° 19′ 33.8″[1] |
| Epoch | J2000 |
| Distance | c. 66 million ly |
| Redshift | 0.003402 ±5e-06 |
| Host | NGC 3972[1] |
| Peak apparent magnitude | < 12[1] |
| Other designations | SN 2011by |
References
External links
- Light curves and spectra Archived 2017-12-02 at the Wayback Machine on the Open Supernova Catalog
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