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A Compact Degenerate Primary-Star Progenitor of SN 2011fe
Joshua S. Bloom, Daniel Kasen, Ken J. Shen +10
While a white dwarf is, from a theoretical perspective, the most plausible primary star in Type Ia supernova (SN Ia), many other candidates have not been formally ruled out. Shock…
The Multi-Epoch Nearby Cluster Survey: type Ia supernova rate measurement in z~0.1 clusters and the late-time delay time distribution
David J. Sand, Melissa L. Graham, Chris Bildfell +8
We describe the Multi-Epoch Nearby Cluster Survey (MENeaCS), designed to measure the cluster Type Ia supernova (SN Ia) rate in a sample of 57 X-ray selected galaxy clusters, with r…
The Rise-Time of Normal and Subluminous Type Ia Supernovae
S. Gonzalez-Gaitan, A. Conley, F. B. Bianco +21
We calculate the average stretch-corrected rise-time of type Ia supernovae (SNe Ia) in the Supernova Legacy Survey. We use the aggregate lightcurves of spectroscopic and photometri…
Supernova Constraints and Systematic Uncertainties from the First 3 Years of the Supernova Legacy Survey
A. Conley, J. Guy, M. Sullivan +33
We combine high redshift Type Ia supernovae from the first 3 years of the Supernova Legacy Survey (SNLS) with other supernova (SN) samples, primarily at lower redshifts, to form a…