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From Wikipedia, the free encyclopedia

SN 2213-1745
Event typeSupernova Edit this on Wikidata
SLNS-R
DateSupernova Legacy Survey
ConstellationAquarius Edit this on Wikidata
Right ascension22h 13m 39.970s[1]
Declination−17° 45′ 24.49″[1]
EpochJ2000.0
Distancez=2.0458±0.0005
Redshift2.0458 ±0.0005 Edit this on Wikidata
Progenitor~250 M star

SN 2213-1745 was an extremely remote superluminous supernova (SLSN), which occurred in between November 2004 and June 2005. Its peak far-ultraviolet absolute magnitude reached −21.2, which was comparable to the total absolute magnitude of its host galaxy. The distance (redshift) to this supernova z=2.0458±0.0005 makes it one of the most remote supernova observed as of 2012. The luminosity of SN 2213-1745 evolved slowly over several years as it was still detectable in November 2006. Both the high luminosity and slow decay indicate that the supernova's progenitor was a star with an initial mass as high as 250 solar masses. The supernova explosion itself was likely a pair-instability supernova similar to the SN 2007bi event, with which it shares many similarities.[1]

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Transcription

References

  1. ^ a b c Cooke, J.; Sullivan, M.; Gal-Yam, A.; Barton, E. J.; Carlberg, R. G.; Ryan-Weber, E. V.; Horst, C.; Omori, Y.; Díaz, C. G. (2012). "Superluminous supernovae at redshifts of 2.05 and 3.90". Nature. 491 (7423): 228–231. arXiv:1211.2003. Bibcode:2012Natur.491..228C. doi:10.1038/nature11521. PMID 23123848. S2CID 4397580.

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This page was last edited on 10 September 2023, at 12:00
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