SYNOW: A Highly Parameterized Spectrum Synthesis Code for Direct Analysis of SN Spectra

Details SYNOW: A Highly Parameterized Spectrum Synthesis Code for Direct Analysis of SN Spectra SYNOW: A Highly Parameterized Spectrum Synthesis Code for Direct Analysis of SN Spectra

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ascl.soft10055p&link_type=abstract

Astrophysics Source Code Library, record ascl:1010.055

Astronomy and Astrophysics

Astrophysics

Scientific paper

SYNOW is a highly parameterized spectrum synthesis code used primarily for direct (empirical) analysis of SN spectra. The code is based on simple assumptions : spherical symmetry; homologous expansion; a sharp photosphere that emits a blackbody continuous spectrum; and line formation by resonance scattering, treated in the Sobolev approximation. Synow does not do continuum transport, it does not solve rate equations, and it does not calculate ionization ratios. Its main function is to take line multiple scattering into account so that it can be used in an empirical spirit to make line identifications and estimate the velocity at the photosphere (or pseudo-photosphere) and the velocity interval within which each ion is detected. these quantities provide constraints on the composition structure of the ejected matter.

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