Implications of the recent light curve of SN 1987 A

Details Implications of the recent light curve of SN 1987 A Implications of the recent light curve of SN 1987 A

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...243l..13k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 243, no. 2, March 1991, p. L13-L16. Research supported by Japan-U.S. Cooperati

Astronomy and Astrophysics

Astronomy

27

Gamma Ray Astronomy, Light Curve, Pulsars, Supernova 1987A, Cobalt Isotopes, Gamma Ray Spectra, Nuclear Fusion, Stellar Models

Scientific paper

Prompted by the recent slow-down of the light curve of SN 1987 A compared with the Co-56 decay rate, the theoretical light curves are calculated to derive the necessary amount of additional energy input from Co-57 and the buried pulsar. The required mass of Co-57 is compared with the constraints from the spectroscopic observations and nucleosynthesis models. Possibilities to observe line gamma-rays from the Co-57 decay and X-rays from the pulsar are examined.

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