Radioactive decays and supernova light curves

Details Radioactive decays and supernova light curves Radioactive decays and supernova light curves

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...135...27b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 135, no. 1, June 1984, p. 27-31.

Astronomy and Astrophysics

Astrophysics

30

Light Curve, Radioactive Decay, Supernovae, Decay Rates, Half Life, Stellar Models

Scientific paper

It is shown that the characteristic linear decline observed in Type I supernova light curves can be well described, up to 2 yr from maximum, with a single exponential decay of 49.5±0.8d half-life. A similar feature, with half-life of 93d, is also present in the light curves of Type II supernovae beginning about 100d past maximum. These findings support the radioactive energy input model for SNe explosions.

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