Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993cha%26a..17..383z&link_type=abstract
Chinese Astronomy and Astrophysics, Volume 17, Issue 4, p. 383-392.
Astronomy and Astrophysics
Astrophysics
Neutron Stars, Nuclear Decay Energy, Sn 1987A
Scientific paper
In this paper the contributions of various radioactive substances (56Co, 57Co, 44Ti and 22Na) in the envelope of the supernova SN 1987A to the evolution of the bolometric luminosity are calculated and the several types of radiation, which may probably exist in the interior neutron star, as well as their contributions to the bolometric luminosity are investigated. After comparison of the results of calculation with the observation of CTIO and ESO, it is believed that after about 900 days the nuclear decay energy is no longer the unique energy source which determines the bolometric luminosity evolution of SN 1987A, that the radiation coming from the interior neutron star begins to play a dominating role in the bolometric luminosity evolution and that the most important mechanism of radiation of the neutron star is accretion.
Lin Xuan-Bin
You Jun-Han
Zheng Yong
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