SN 1999ec

SN 1999EC

Event type	Supernova
SN Ib [1]
Date	October 2, 1999 [2]
Constellation	Canis Major
Right ascension	06h 16m 16.16s [2]
Declination	−21° 22′ 09.8″ [2]
Epoch	J2000.0
Galactic coordinates	228.6723 -17.0277
Distance	31.3 Mpc [1]
Host	NGC 2207)
Progenitor	38 M☉ star
Peak apparent magnitude	17.9 [3]
Other designations	SN 1999ec

SN 1999ec was a type Ib supernova that was discovered in the interacting galaxy NGC 2207 on October 2, 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. 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, S2CID   118671861, 30
2. Jha, S.; et al. (1999). "Supernova 1999ec in NGC 2207". IAU Circular. 7269: 2. Bibcode:1999IAUC.7269....2J.
3. 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. S2CID   40532321.

External links

• Spectra Archived 2017-11-14 at the Wayback Machine on the Open Supernova Catalog Archived 2016-03-03 at the Wayback Machine
• Simbad