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Spectroscopy of High-Redshift Supernovae from the ESSENCE Project: The First Two Years
T. Matheson, S. Blondin, R. J. Foley +28
We present the results of spectroscopic observations of targets discovered during the first two years of the ESSENCE project. The goal of ESSENCE is to use a sample of ~200 Type Ia…
The binary progenitor of Tycho Brahe's 1572 supernova
Pilar Ruiz-Lapuente, Fernando Comeron, Javier Mendez +8
The brightness of type Ia supernovae, and their homogeneity as a class, makes them powerful tools in cosmology, yet little is known about the progenitor systems of these explosions…
Photometric Identification of Young Stripped-Core Supernovae
Avishay Gal-Yam, Dovi Poznanski, Dan Maoz +2
We present a method designed to identify the spectral type of young (less than ~30 days after explosion) and nearby (z < ~0.05) supernovae (SNe) using their broad-band colors. In p…