SN 1940B

SN 1940B
A light curve for SN 1940B, plotted from data available in the Open Supernova Catalog
Event typeSupernova Edit this on Wikidata
SN.IIP Edit this on Wikidata
Date5 May 1940
ConstellationComa Berenices
Right ascension12h 50m 33.0s
Declination+25° 32′ 12″
Peak apparent magnitude12.8
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SN 1940B was a supernova discovered on 5 May 1940 in the galaxy NGC 4725 in Coma Berenices. It had a magnitude of 12.8 and became the first observed type II supernova.[clarification needed]

SN 1940B is one of the five supernovae discovered in 1940, the other being SN 1940A, SN 1940C, SN 1940D and SN 1940E.

References

  1. ↑ Guillochon, James; Parrent, Jerod; Kelley, Luke Zoltan; Margutti, Raffaella (January 2017). "An Open Catalog for Supernova Data". The Astrophysical Journal. 835 (1): 64. arXiv:1605.01054. Bibcode:2017ApJ...835...64G. doi:10.3847/1538-4357/835/1/64.
  2. ↑ Barbon, R. (January 1978), "Supernovae in the Coma cluster of galaxies", Astronomical Journal, 83: 13–19, Bibcode:1978AJ.....83...13B, doi:10.1086/112170.
  3. ↑ "List of Supernovae". IAU Central Bureau for Astronomical Telegrams. Retrieved 12 December 2016.
  4. ↑ Albert G. Petschek, ed. (2012). Supernovae. Springer Science & Business Media. p. 60. ISBN 978-1461232865.