Astrophysics (Index)About

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 apparent magnitude at its brightest was 3 in May 1987. Neutrino detectors, including the IMB detected bursts of neutrinos coincident with the supernova EMR reaching Earth. It has been much studied since.

It is considered a core collapse supernova and a portion of their study consists of the study of their remnants. The SN 1987A remnant has more circular symmetry than spherical, suggesting the progenitor's stellar rotation was a factor. Observations of the light curve have shown that the explosion was highly asymmetric, i.e., an anisotropic explosion. There is effort to identify a resulting neutron star, e.g., by comparing observations to observed characteristics of remnants where there is clearer evidence of a neutron star.

Further reading:
/Lookback Years
~052kpc168klySN 1987A

Referenced by pages:
Baksan Neutrino Observatory (BNO)
International Ultraviolet Explorer (IUE)
Kamioka Observatory
neutrino (ν)
supernova remnant (SNR)