Astronomy and Astrophysics – Astrophysics
Scientific paper
1993-09-10
Astronomy and Astrophysics
Astrophysics
24 pages, LaTeX with prepended aasms.sty, figures (compressed postscript) available upon request at pgs@physun.physics.mcmaste
Scientific paper
10.1086/173764
A new, fully dynamic and self-consistent radiation hydrodynamics code, suitable for the calculation of supernovae light curves and continuum spectra, is described. It is a multigroup (frequency-dependent) code and includes all important $O(v/c)$ effects. It is applied to the model W7 of Nomoto, Thielemann, \& Yokoi (1984) for supernovae of type Ia. Radioactive energy deposition is incorporated through use of tables based upon Monte Carlo results. Effects of line opacity (both static or line blanketing and expansion or line blocking) are neglected, although these may prove to be important. At maximum light, models based upon different treatments of the opacity lead to values for $M_{B,max}$ in the range of -19.0 to -19.4. This range falls between the values for observed supernova claimed by Leibundgut \& Tammann (1990) and by Pierce, Ressler, \& Shure (1992).
Sutherland Peter
Zhang Xiao-he
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