Estimation of energy of supernovae in large and small Magellanic clouds

Details Estimation of energy of supernovae in large and small Magellanic clouds Estimation of energy of supernovae in large and small Magellanic clouds

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985cha%26a...9..307y&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 9, Issue 4, p. 307-310.

Astronomy and Astrophysics

Astrophysics

Scientific paper

Based on the theory of the radio evolution of supernova remnants and the theory of x-ray emission, we have derived an expression for the energy of supernova eruption directly in terms of the observed radio flux density and x-ray luminosity. This method is used to estimate the energy of the supernova explosions in LMC and SMC. Our calculated values fall in the range 1049 - 1051 ergs, with the values for Type I supernovae systematically smaller than those for Type II, at about 1049 ergs. We point out that the most likely cause for the discrepancy between the statistical and theoretical N-D relations is incompletness of data. We also point out, in the two clouds, the vast majority of large sources are still in the phase of adiabatic expansion.

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