In pursuit of dark energy : improving measurements in Supernova cosmology
The Equation of State SuperNova trace Cosmic Expansion (ESSENCE) was a 6 year survey which discovered and followed 228 type Ia supernova (SN Ia). The primary goal of ESSENCE was to characterize the dark energy equation-of-state, w. However, due to limitations in the knowledge of the SN Ia progenitor system and systematic errors related to influences of the host galaxies on SN Ia distances and the photometric calibrations of the survey, the measurements are only accurate to approximately 10%....[Show more]
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