Astronomy:SN 2007sr

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Short description: Type Ia supernova event in the galaxy NGC 4038
SN 2007sr
Spectral classIa[1]
DateDecember 18, 2007[2]
ConstellationCorvus
Right ascension 12h 01m 52.80s[1]
Declination−18° 58′ 21.7″[1]
EpochJ2000.0
Galactic coordinates286.9944 +42.3602
Distance72.7 ± 9.1 Mly (22.3 ± 2.8 Mpc)[3]
HostNGC 4038[2]
Peak apparent magnitude12.70[2]

SN 2007sr was a Type Ia supernova event that happened in the galaxy NGC 4038. It was announced on December 18, 2007, but was visible on images beginning December 7. It peaked at magnitude 12.7 on December 14.[2]

References

  1. 1.0 1.1 1.2 Drake, A. J. et al. (May 2009), "First Results from the Catalina Real-Time Transient Survey", The Astrophysical Journal 696 (1): 870–884, doi:10.1088/0004-637X/696/1/870, Bibcode2009ApJ...696..870D. 
  2. 2.0 2.1 2.2 2.3 Pojmanski, G. et al. (January 2008), Green, D. W. E., ed., "Supernova 2007sr in NGC 4038", Central Bureau Electronic Telegrams 1213 (1213): 1, Bibcode2008CBET.1213....1P. 
  3. Schweizer, François et al. (October 2008), "A New Distance to the Antennae Galaxies (NGC 4038/39) Based on the Type Ia Supernova 2007sr", The Astronomical Journal 136 (4): 1482–1489, doi:10.1088/0004-6256/136/4/1482, Bibcode2008AJ....136.1482S. 

External links