The peculiar fast-fading Type I SN2005ek

Details The peculiar fast-fading Type I SN2005ek The peculiar fast-fading Type I SN2005ek

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924230j&link_type=abstract

American Astronomical Society, AAS Meeting #219, #242.30

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Scientific paper

We present the results of our photometric analysis of the hydrogen-poor supernova SN2005ek. In comparison with other Type I supernovae, SN2005ek fades significantly faster; we derive an e-folding timescale of τ 5 days. We further examine the color evolution of SN2005ek and find that it is generally bluer than standard Type Ia and Type Ibc supernovae. We suggest that SN2005ek may be a new member of the emerging class of rapid-decay, hydrogen-poor supernovae and discuss implications for the progenitor systems of these events. We thank the Harvard College Research Program for its generous funding which enabled this research.

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