Duration of the plateau stage on type II supernovae

Details Duration of the plateau stage on type II supernovae Duration of the plateau stage on type II supernovae

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17..495c&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, June 1991, p. 495-500. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astrophysics

3

Photosphere, Stellar Luminosity, Stellar Mass Ejection, Supernovae, Cooling Flows (Astrophysics), Diffuse Radiation, Stellar Evolution, Stellar Models

Scientific paper

A simple model of cooling of SNIIP at the plateau stage in a cooling wave regime is used to express the duration of plateau tp through supernovae parameters, viz., mass of ejecta, energy, and radius of the presupernova. In contrast to the standard diffusion time estimate, the cooling wave model leads to the dependence of tp on the radius of the presupernova. For typical values of parameters of SNIIP the duration of plateau tp turns out to be close to 100 days in agreement with observational data.

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