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Type I supernovae. I - Analytic solutions for the early part of the light curve
Arnett, W. D.
AA(Chicago, University, Chicago, IL)
Astrophysical Journal, Part 1, vol. 253, Feb. 15, 1982, p. 785-797. (ApJ Homepage)
Publication Date:
NASA/STI Keywords:
Light Curve, Nuclear Fusion, Stellar Evolution, Stellar Temperature, Supernovae, Black Body Radiation, Gamma Rays, Photons, Radioactive Decay, Stellar Luminosity, Stellar Models, Stellar Spectra, Thermodynamics, Transparence
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A generalization which includes the effects of large initial radius, and increasing transparency to gamma rays and thermal protons, is presented for a method comprising analytic solutions for Type I supernovae light curves, effective temperatures and broad-band colors. The blackbody supernova theoretical construct is introduced, and it is shown that, for a given composition, the homogeneity of spectral evolution is a necessary consequence of the thermonuclear model while being only a possible consequence of the gravitational collapse model. A factor-of-two variation in explosion energy is suggested by comparison of 1970j with 1972e, with a corresponding variation in intrinsic luminosity at maximum light.

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