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SN 1987A

(supernova in February 1987 rare for being visible by the naked eye)

SN 1987A is a 1987 supernova in the Large Magellanic Cloud, about 168000 light-years away, whose light reached Earth on February 23, 1987. Its maximum apparent magnitude was 3 in May 1987. It has been much studied since.

It is considered a core collapse supernova and the remnants are studied to figure out the workings of them. The remnant has much more circular symmetry than spherical, suggesting the progenitor's stellar rotation was a factor.

/Lookback Years
~052kpc168klySN 1987A

Referenced by:
International Ultraviolet Explorer (IUE)
supernova remnant (SNR)