| Event type | Supernova  |
|---|---|
| Ia1 | |
| Date | December 18, 20072 |
| Constellation | Corvus |
| Right ascension | 12h 01m 52.80s1 |
| Declination | −18° 58′ 21.7″1 |
| Epoch | J2000.0 |
| Galactic coordinates | 286.9944 +42.3602 |
| Distance | 72.7 ± 9.1 Mly (22.3 ± 2.8 Mpc)3 |
| Redshift | 0.006, 0.0045 |
| Host | NGC 40382 |
| Peak apparent magnitude | 12.702 |
| Other designations | SN 2007sr |
SN 2007sr was a Type Ia supernova event that happened in the galaxy NGC 4038. It was announced on December 18, 2007, but was visible on images beginning December 7. It peaked at magnitude 12.7 on December 14.2
References
References
- Drake, A. J.; et al. (May 2009), "First Results from the Catalina Real-Time Transient Survey", The Astrophysical Journal, 696 (1): 870–884, arXiv:0809.1394, Bibcode:2009ApJ...696..870D, doi:10.1088/0004-637X/696/1/870, S2CID 7530040.
- Pojmanski, G.; et al. (January 2008), Green, D. W. E. (ed.), "Supernova 2007sr in NGC 4038", Central Bureau Electronic Telegrams, 1213 (1213): 1, Bibcode:2008CBET.1213....1P.
- Schweizer, François; et al. (October 2008), "A New Distance to the Antennae Galaxies (NGC 4038/39) Based on the Type Ia Supernova 2007sr", The Astronomical Journal, 136 (4): 1482–1489, arXiv:0807.3955, Bibcode:2008AJ....136.1482S, doi:10.1088/0004-6256/136/4/1482, S2CID 118621347.