Light Echoes from Recent Supernovae

Details Light Echoes from Recent Supernovae Light Echoes from Recent Supernovae

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21341204s&link_type=abstract

American Astronomical Society, AAS Meeting #213, #412.04; Bulletin of the American Astronomical Society, Vol. 41, p.217

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Scientific paper

Since the launch of the Spitzer Space Telescope, we have been carrying out a sensitive mid-IR Survey for Evolution of Emission from Dust in SNe (SEEDS, P.I. Mike Barlow), to address the extent to which SNe produce dust, and whether they are a primary source of dust in the Universe. During the course of our survey, we have followed the lightcurves of many nearby supernovae past a few hundred days (which is when most people lose interest in them). As a result, we have found (or others have hypothesized) optical light echoes at late times. Here, we present an update on echoes from SNe 2002hh, 2003gd and 2004et, and discuss the extent to which these echoes affect the optical and mid-IR light curves, and hence the formation of dust within the ejecta.

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