Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21732402c&link_type=abstract
American Astronomical Society, AAS Meeting #217, #324.02; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
We present some results from a study to examine the effect of host galaxy dust extinction on the observed properties of Type Ia supernovae (SNe Ia). The Spitzer Infrared Nearby Galaxies Survey (SINGS) is a comprehensive infrared survey of 75 nearby galaxies (Kennicutt et al. 2003) that have good estimates of their dust masses (Draine et al. 2007). Twelve SNe Ia have been observed in a subset of the sample, and therefore provide a good laboratory to test, and bound, the uncertainties in observed SNe Ia colors. Using the SINGS data, Draine's standard dust model, and SNe Ia template spectra (Hsiao et al. 2007), we compared the historical SNe Ia to the computed model spectra. We will discuss our results for these SNe.
Aleksandar Cikota was a participant in the the STScI Summer Student Program and supported by the STScI Director's Discretionary Research Fund.
Cikota Aleksandar
Deustua Susana
Gordon Karl
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