A Similarity Model for Supernovae Light Curve Calculations

Details A Similarity Model for Supernovae Light Curve Calculations A Similarity Model for Supernovae Light Curve Calculations

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aps..dppbp1053m&link_type=abstract

American Physical Society, 42nd Annual Meeting of the APS Division of Plasma Physics combined with the 10th International Congre

Physics

Plasma Physics

Scientific paper

A simple similarity model is developed to calculate the explosive hydrodynamics and radiation of a supernova. The model has two periods of energy release, an earlier one representing the initial nuclear explosion or gravitational collapse, and a later one representing the longer-term radioactive decay energy. By decoupling the spatial and temporal variations, the original hydrodynamic equations are reduced to a set of coupled ordinary differential equations in one variable, time. Because the model conserves mass, momentum, and energy, the overall dynamics and the scaling connections between key variables is expected to be fairly accurate. Finally, the model is used to calculate luminosity versus time ("light curves") and extract important quantities from representative Type I supernovae data sets (Supernova Cosmology Project http://supernova.lbl.gov)

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