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astro-ph2004
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…
astro-ph2004
Redshift-Independent Distances to Type Ia Supernovae
Brian J. Barris, John L. Tonry
We describe a procedure for accurately determining luminosity distances to Type Ia supernovae (SNe Ia) without knowledge of redshift. This procedure, which may be used as an extens…