**AAS 201st Meeting, January, 2003**

*Session 56. Supernovae Potpourri*

Poster, Tuesday, January 7, 2003, 9:20am-6:30pm, Exhibit Hall AB
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## [56.06] Synthetic Spectra of 3D Supernovae: Monte Carlo Radiative Equilibrium Models

*D. Kasen (LBNL), R. Thomas (Univ. of Oklahoma), P. Nugent (LBNL), E. Baron, D. Branch (Univ. of Oklahoma)*

We present a method for calculating synthetic spectra of
model supernova atmospheres with arbitrary three dimensional
geometries. The radiative transfer problem is solved using a
Monte Carlo approach, and the temperature structure of the
atmosphere is calculated by imposing radiative equilibrium.
We derive the equation of radiative equilibrium under the
Sobolev approximation (i.e. narrow line limit), and use an
iterative scheme to solve it. We investigate the convergence
properties of this scheme and its dependence on geometry.
The Monte Carlo algorithm can compute both flux and
polarization spectra of a model supernova from any line of
sight, and will be used to compare multidimensional
explosion models against observations. We present some
simple benchmark calculations and some more realistic models
of nonspherical supernovae.

The author(s) of this abstract have provided an email address
for comments about the abstract:
dnkasen@panisse.lbl.gov

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Bulletin of the American Astronomical Society, **34**, #4

© 2002. The American Astronomical Soceity.