Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989nyasa.571..397w&link_type=abstract
(NASA, NSF, Texas Academy of Science, et al., Texas Symposium on Relativistic Astrophysics, 14th, Dallas, TX, Dec. 11-16, 1988)
Astronomy and Astrophysics
Astrophysics
3
Stellar Evolution, Stellar Models, Supernova 1987A, Light Curve, Neutrinos, Nuclear Fusion, Pulsars, Stellar Composition, Stellar Mass
Scientific paper
Several aspects of the SN 1987A that are of special interest are examined. These include the evolution of the presupernova star, its early-stage composition and core structure, and the reason for its blue color; the iron core mass of SN 1987A, the explosion mechanism, and certain aspects of the neutrino burst; and the detailed isotopic composition of the ejecta; the light curve and the requirement for mixing; and the expected continued evolution of the supernova. Particular attention is given to the optical pulsations (at 1968.629 Hz) from SN 1987A and to the possible mechanism for the formation of this pulsar.
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