SN 1997bs
 Image of the host galaxy Messier 66 | |
| Event type | Supernova  |
|---|---|
| subluminous type lln | |
| Instrument | LOSS |
| Constellation | Leo |
| Distance | 31 million ly |
| Host | Messier 66 |
| Progenitor type | Luminous Blue Variable |
| Notable features | Extragalactic Eta Carinae analog that may have survived the supernova |
| Other designations | SN 1997bs |
SN 1997bs was a subluminous type II supernova that occurred in the intermediate spiral galaxy Messier 66 about 31 million light years from Earth. The progenitor star that produced this supernova was a massive Luminous blue variable that is analogous to the star Eta Carinae. This star was not associated with an H II region or any nearby massive stars. It is possible that the star that produced SN 1997bs survived the explosion and is hidden in a thick shell of dust with a mass of around 1 solar mass.[1][2]
SN 1997bs was the first supernova discovered by the Lick Observatory Supernova Search (LOSS).[1]
References
[edit]- ^ a b Van Dyk, Schuyler D.; Peng, Chien Y.; King, Jennifer Y.; Filippenko, Alexei V.; Treffers, Richard R.; Li, Weidong; Richmond, Michael W. (December 2000). "SN 1997bs in M66: Another Extragalactic η Carinae Analog?". Publications of the Astronomical Society of the Pacific. 112 (778): 1532–1541. Bibcode:2000PASP..112.1532V. doi:10.1086/317727. ISSN 0004-6280.
- ^ Adams, Scott M.; Kochanek, C. S. (2015). "LOSS's first supernova? New limits on the 'impostor' SN 1997bs". Monthly Notices of the Royal Astronomical Society. 452 (2): 2195–2207. arXiv:1502.00001. doi:10.1093/mnras/stv1409.
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