Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.3305e&link_type=abstract
American Astronomical Society, 185th AAS Meeting, #33.05; Bulletin of the American Astronomical Society, Vol. 26, p.1362
Astronomy and Astrophysics
Astronomy
2
Scientific paper
The theoretical spectral evolution of a model 15 \msun\ red supergiant explosion will be presented. This should be a representative Type II plateau (SNe IIp) supernovae. Calculated non-LTE spectra for times ranging from the first week to greater than 200 days after explosion are compared with observations of IIp supernovae. Broad band UBVRIJHK photometry will be presented along with 50Angstroms to 100mu spectra. Discussion will be given of the character of the relatively slow spectroscopic changes during the plateau phase, and the more rapid changes during the transition to transparency and beyond. The evidence for nucleosynthsis suggested by post plateau phase synthetic spectra will be presented and compared to observations of SNe IIp. This work was performed under the auspices of the U.S. Department of Energy by the Lawrence Livermore National Laboratory under contract number W-7405-ENG-48, and at UCSC was supported by the NASA Theory Program (NAGW-2525) and the National Science Foundation (AST-9115367).
Eastman Ronald G.
Weaver Thomas A.
Woosley Stan E.
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