| Event type |
Gamma-ray burst,
supernova
 |
|---|---|
| SNSLSN
| |
| Duration | at least 7 hours |
| Constellation |
Phoenix
|
| Right ascension | 00h 57m 22.63s |
| Declination | −46° 48′ 03.8″ |
| Other designations | GRB 111209A, SN 2011kl |
GRB 111209A is the longest lasting gamma-ray burst (GRB) detected by the Swift Gamma-Ray Burst Mission, observed on December 9, 2011. [1] Its duration is longer than 7 hours, implying this event has a different kind of progenitor than normal long GRBs. It was first proposed that the progenitor of this event was a blue supergiant star with low metallicity. Later, it was also proposed that this event is the prototype of a new class of GRBs, ultra-long GRBs.
The GRB was associated with the magnetar-powered supernova 2011kl, an object of intermediate luminosity between conventional GRB supernovae and superluminous supernovae. [2]
See also
References
- ^ Gendre, B.; Stratta, G.; Atteia, J. L.; Basa, S.; Boër, M.; Coward, D. M.; Cutini, S.; D'Elia, V.; Howell, E. J.; Klotz, A.; Piro, L. (2013). "The Ultra-long Gamma-Ray Burst 111209A: The Collapse of a Blue Supergiant?". Astrophysical Journal. 766 (1): 30. arXiv: 1212.2392. Bibcode: 2013ApJ...766...30G. doi: 10.1088/0004-637X/766/1/30. S2CID 118618287.
- ^ Greiner, J.; et al. (2015). "A very luminous magnetar-powered supernova associated with an ultra-long γ-ray burst". Nature. 523 (7559): 189–192. arXiv: 1509.03279. Bibcode: 2015Natur.523..189G. doi: 10.1038/nature14579. PMID 26156372. S2CID 4464998.
2011 in space | ||
|---|---|---|
2012 » | ||
Space probe launches
 |
|   .jpg) |
| Selected NEOs | ||
|
Exoplanets
|
| |
| Discoveries | ||
| Novae | ||
| Comets
| ||
| Space exploration | ||
| Event type |
Gamma-ray burst,
supernova
|
|---|---|
| SNSLSN
| |
| Duration | at least 7 hours |
| Constellation |
Phoenix
|
| Right ascension | 00h 57m 22.63s |
| Declination | −46° 48′ 03.8″ |
| Other designations | GRB 111209A, SN 2011kl |
GRB 111209A is the longest lasting gamma-ray burst (GRB) detected by the Swift Gamma-Ray Burst Mission, observed on December 9, 2011. [1] Its duration is longer than 7 hours, implying this event has a different kind of progenitor than normal long GRBs. It was first proposed that the progenitor of this event was a blue supergiant star with low metallicity. Later, it was also proposed that this event is the prototype of a new class of GRBs, ultra-long GRBs.
The GRB was associated with the magnetar-powered supernova 2011kl, an object of intermediate luminosity between conventional GRB supernovae and superluminous supernovae. [2]
See also
References
- ^ Gendre, B.; Stratta, G.; Atteia, J. L.; Basa, S.; Boër, M.; Coward, D. M.; Cutini, S.; D'Elia, V.; Howell, E. J.; Klotz, A.; Piro, L. (2013). "The Ultra-long Gamma-Ray Burst 111209A: The Collapse of a Blue Supergiant?". Astrophysical Journal. 766 (1): 30. arXiv: 1212.2392. Bibcode: 2013ApJ...766...30G. doi: 10.1088/0004-637X/766/1/30. S2CID 118618287.
- ^ Greiner, J.; et al. (2015). "A very luminous magnetar-powered supernova associated with an ultra-long γ-ray burst". Nature. 523 (7559): 189–192. arXiv: 1509.03279. Bibcode: 2015Natur.523..189G. doi: 10.1038/nature14579. PMID 26156372. S2CID 4464998.
2011 in space | ||
|---|---|---|
2012 » | ||
|
Space probe launches
|
| |
| Selected NEOs | ||
|
Exoplanets
|
| |
| Discoveries | ||
| Novae | ||
| Comets
| ||
| Space exploration | ||