SN 1000+0216
| Spectral class | SLNS-R or SLNS-II ? |
|---|---|
| Observation | |
| Date | Supernova Legacy Survey |
| Location | |
| Right ascension | 10h 00m 05.87s |
| Declination | +02° 16' 23.62 |
| Epoch | J2000.0 |
| Distance | z=3.8993 ± 0.0074 |
| Characteristics | |
| Progenitor | initially a 140–250 M☉ star |
| Energetics | |
| See also | |
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SN 1000+0216 was an extremely remote superluminous supernova (SLSN), which occurred in between June and November 2006. Its peak far-ultraviolet absolute magnitude reached −21.5, which exceeded the total absolute magnitude of its host galaxy. The distance (redshift) to this supernova z=3.8993 ± 0.0074 makes it the most distant supernova observed as of 2012. The luminosity of SN 1000+0216 evolved slowly over several years as it was still detectable in November 2008. Both the high luminosity and slow decay indicate that the supernova's progenitor was a very massive star. The supernova explosion itself was likely either a pair-instability supernova or a pulsational pair-instability supernova similar to the SN 2007bi or event. It also had some similarities to the low redshift SN 2006gy supernova. Overall classification of SN 1000+0216 remains uncertain.
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