SN1987A supernova - A black-hole precursor?

Details SN1987A supernova - A black-hole precursor? SN1987A supernova - A black-hole precursor?

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.329..134n&link_type=abstract

Nature (ISSN 0028-0836), vol. 329, Sept. 10, 1987, p. 134, 135.

Astronomy and Astrophysics

Astronomy

2

Black Holes (Astronomy), Supernovae, Leptons, Neutrinos, Neutron Stars, Stellar Mass, Supergiant Stars

Scientific paper

Lepton number conservation and the ensuing limitation on the flux of prompt neutronization neutrinos in the SN1987A supernova are studied. It is shown that an identification of the first two events in the Kamiokonde data as nu(e) prompt events require a mass of larger than about six solar masses, implying a black-hole formation. This is also consistent with the probable identification of the progenitor as a B3I supergiant of about 25 solar masses.

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