Predicted continuum spectra of type II supernovae - LTE results

Details Predicted continuum spectra of type II supernovae - LTE results Predicted continuum spectra of type II supernovae - LTE results

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...289..198s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 289, Feb. 1, 1985, p. 198-202. Research supported by Technion - Israel Inst

Astronomy and Astrophysics

Astrophysics

20

Continuous Spectra, Radiative Transfer, Spectral Energy Distribution, Supernovae, Thermodynamic Equilibrium, Ultraviolet Radiation, Black Body Radiation, Photosphere, Stellar Spectrophotometry, Wavelengths

Scientific paper

The continuum spectral energy distribution of the flux emerging from type II supernovae is calculated from quasi-static radiative transfer through a power-law density gradient, assuming radiative equilibrium and LTE. It is found that the Balmer jump disappears at high effective temperatures and low densities, while the spectrum resembles that of a dilute blackbody but is flatter with a sharper cutoff at the short-wavelength end. A significant UV excess is found in all models calculated. The calculation should be considered exploratory because of significant effects which are anticipated to arise from departure from LTE.

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