Probing the first hours in the life of SN 1987A

Details Probing the first hours in the life of SN 1987A Probing the first hours in the life of SN 1987A

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...341l..59f&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 341, June 15, 1989, p. L59-L62.

Astronomy and Astrophysics

Astrophysics

29

Supernova 1987A, Ultraviolet Spectra, Visible Spectrum, Electron Density (Concentration), Light Curve, Photoionization, Spectral Emission, Stellar Envelopes

Scientific paper

The observations of the narrow UV and optical emission lines of SN 1987A are modeled. The main properties of the observations are well reproduced by a shell ionized by the soft X-ray burst at the supernova shock breakout. These observations therefore provide constraints on the unobserved first hours of the supernova explosion. To explain the time evolution and fluxes of the lines, the peak radiation temperature of the supernova has to be between 400,000 K and 800,000 K, and the total number of ionizing photons above 100 eV about 10 to the 56th (about 2 x 10 to the 46th ergs).

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