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Using Line Profiles to Test the Fraternity of Type Ia Supernovae at High and Low Redshifts
S. Blondin, L. Dessart, B. Leibundgut +34
Using archival data of low-redshift (z < 0.01) Type Ia supernovae (SN Ia) and recent observations of high-redshift (0.16 < z <0.64; Matheson et al. 2005) SN Ia, we study the "unifo…
Testing LMC Microlensing Scenarios: The Discrimination Power of the SuperMACHO Microlensing Survey
A. Rest, C. Stubbs, A. C. Becker +18
Characterizing the nature and spatial distribution of the lensing objects that produce the previously measured microlensing optical depth toward the Large Magellanic Cloud (LMC) re…
Chemistry and Star Formation in the Host Galaxies of Type Ia Supervovae
J. S. Gallagher, P. M. Garnavich, P. Berlind +3
We study the effect of environment on the properties of type Ia supernovae by analyzing the integrated spectra of 57 local type Ia supernova host galaxies. We deduce from the spect…