Explosive nucleosynthesis in supernova 1987A

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Nuclear Fusion, Stellar Evolution, Supernova 1987A, Abundance, Astronomical Models, Chemical Evolution, Emission Spectra, Light Curve, Neutron Stars, Stellar Mass

Scientific paper

Recent infrared observations of emission lines of heavy elements from SN 1987A have provided valuable information on the mass and distribution of these elements. In order to compare these observations with theory, a detailed theoretical prediction of nucleosynthesis from SN 1987A is obtained by calculating explosive nucleosynthesis for the hydrodynamical model whose light curve is in good accord with observations. The masses of several radioactive species as well as 73 stable isotopes expected in the ejecta are given and the abundance ratios among key elements are discussed for comparison with observations.

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