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]
 Image from Richie Jarvis [1] | |
| Event type | Supernova  |
|---|---|
| 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 |
| Redshift | 0.003402 ±5e-06 |
| Host | NGC 3972[1] |
| Peak apparent magnitude | < 12[1] |
| Other designations | SN 2011by |
References
edit- ^ a b c d e Rochester Astronomy "Rochester Astronomy: Supernova 2011by in NGC3972".
- ^ a b "AAVSO: SUPERNOVA 2011by in NGC 3972 = PSN J11554556+5519338".
External links
edit- Light curves and spectra Archived 2017-12-02 at the Wayback Machine on the Open Supernova Catalog Archived 2016-03-03 at the Wayback Machine
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