Other
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21733717h&link_type=abstract
American Astronomical Society, AAS Meeting #217, #337.17; Bulletin of the American Astronomical Society, Vol. 43, 2011
Other
Scientific paper
A line identification study of Type Ib/IIb supernovae is carried out by modeling their spectra with SYNOW. Model spectra were fit to various supernovae including the Type IIb SN 1993J and SN 2008ax. No detailed early-time line identification study for these well observed supernovae had been completed previously. Hydrogen Balmer lines in these supernovae classified as the transitory Type IIb class are seen in the fits. Focus was maintained on matching the Hβ feature since SYNOW has difficulty fitting the emission strength for the Hα feature due to its non-resonant scattering source function. Other interesting line identifications include the apparent presence of Al II in SN 2008ax and the apparent lack of Ba II which had been previously suggested in SN 1993J. Apart from the inability to handle the source function for Hα, good fits were obtained for the spectra with lines of plausible ions.
Baron Eddie
Branch David
Hogan Mary C.
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