SN 1999ec
| SN 1999EC | |
|---|---|
| Observation data (Epoch J2000.0) | |
| Supernova type | SN Ib[1] |
| Host galaxy | NGC 2207) |
| Constellation | Canis Major |
| Right ascension | 06h 16m 16.16s[2] |
| Declination | −21° 22′ 09.8″[2] |
| Galactic coordinates | 228.6723 -17.0277 |
| Discovery date | October 2, 1999[2] |
| Peak magnitude (V) | 17.9[3] |
| Distance | 31.3 Mpc[1] |
SN 1999EC is a type Ib supernova that was discovered in the interacting galaxy NGC 2207 in October 1999.[2] It was found on images taken with the Katzman Automatic Imaging Telescope at the Lick Observatory.[2] The progenitor is estimated to have had 38 times the mass of the Sun and was 5.34 million years old at the time of the outburst.[1]
References
- 1 2 3 Kuncarayakti, Hanindyo; et al. (August 2013), "Integral Field Spectroscopy of Supernova Explosion Sites: Constraining the Mass and Metallicity of the Progenitors. I. Type Ib and Ic Supernovae", The Astronomical Journal, 146 (2): 14 pp, arXiv:1305.1105
, Bibcode:2013AJ....146...30K, doi:10.1088/0004-6256/146/2/30, 30 - 1 2 3 4 5 Jha, S.; et al. (1999). "Supernova 1999ec in NGC 2207". IAUC. 7269: 2. Bibcode:1999IAUC.7269....2J.
- ↑ Barbon, R.; et al. (1999-11-01). "The Asiago Supernova Catalogue - 10 years after". Astronomy and Astrophysics Supplement Series. 139 (3): 531–536. arXiv:astro-ph/9908046. Bibcode:1999A&AS..139..531B. doi:10.1051/aas:1999404.
External links
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