The late-time light curve of SN 1984L

Details The late-time light curve of SN 1984L The late-time light curve of SN 1984L

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...379l..13s&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 379, Sept. 20, 1991, p. L13-L16. Research supported by NSF and Ro

Other

32

Light Curve, Stellar Evolution, Supernovae, Cobalt Isotopes, Radioactive Decay, Stellar Mass Ejection, Stellar Models, Stellar Spectra

Scientific paper

The V band light curve of the Type Ib supernova SN 1984L indicates that the radioactive cobalt decay products are significantly trapped for times in excess of 400 days. Assuming V is parallel to the bolometric light curve, the observations require on the order of 10 M solar masses of ejecta as shown by expressing the deviation of the bolometric light curve from the cobalt decay curve in terms of the mass, gamma-ray optical depth, and kinetic energy of the ejecta. This result is confirmed by numerical calculations. The large ejecta mass thus deduced is discussed in the context of observations of other Type Ib and Ic supernovae and recent low-mass models of their light curves.

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