Insight into the Progenitor of the Type Ia Supernova 2005gj

Details Insight into the Progenitor of the Type Ia Supernova 2005gj Insight into the Progenitor of the Type Ia Supernova 2005gj

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sptz.prop30733d&link_type=abstract

Spitzer Proposal ID #30733

Computer Science

Scientific paper

We propose to measure the evolution of the spectral energy distribution of the unusual and exciting supernova 2005gj. This event is only the second clear case of a thermonuclear explosion going off in a dense circumstellar environment (SN 2002ic was the first) and is a rare opportunity to characterize properties of the companion star thought to be donating mass to the white dwarf primary. SN 2005gj was discovered by the Sloan Digital Sky Survey Supernova Search and has a more extensive optical/near-IR light curve and spectral coverage than the previous event. A first epoch of IRAC imaging to study early dust emission was obtained through a DDT proposal. Here we request IRAC and MIPS observations to extend the SED into far-IR to study the late time emission from dust.

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