Analyzing SN2003Z with PHOENIX

Details Analyzing SN2003Z with PHOENIX Analyzing SN2003Z with PHOENIX

2009-02-11

arxiv.org/abs/0902.1867v1

Astronomy & Astrophysics, volume 469, issue 3, July III 2007, pp.1077-1081

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

8 figures

Scientific paper

10.1051/0004-6361:20066726

We present synthetic spectra around maximum for the type II supernova SN 2003Z, which was first detected on January 29.7 2003. Comparison with observed spectra aim at the determination of physical parameters for SN 2003Z. Synthetic spectra are calculated with our stellar atmosphere code PHOENIX. It solves the special relativistic equation of radiative transfer, including large NLTE-calculations and line blanketing by design, in 1-dimensional spherical symmetry. The observed spectra were obtained at the 3.5 meter telescope at Calar Alto. The TWIN instrument was used so that a spectral range from about 3600 to 7500 Angstroem was covered. The spectra were taken on Feb. 4, 5, 9, and 11, 2003. The physical parameters of the models give the luminosities, a range of possible velocity profiles for the SN, an estimate of the colour excess, and the observed metalicity.

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