SN_1940B

SN 1940B

SN 1940B

Supernova event of 1940 in constellation Coma Berenices


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[1] and became the first observed type II supernova.[2][clarification needed]

Quick Facts Event type, Date ...

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. "List of Supernovae". IAU Central Bureau for Astronomical Telegrams. Retrieved 12 December 2016.
  2. Albert G. Petschek, ed. (2012). Supernovae. Springer Science & Business Media. p. 60. ISBN 978-1461232865.

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