The Supernova Legacy Survey

Details The Supernova Legacy Survey The Supernova Legacy Survey

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008msngr.133...42s&link_type=abstract

The Messenger, vol. 133, p. 42-47

Physics

Scientific paper

The accelerating Universe was one of the most surprising discoveries of 20th century science. The ‘dark energy' that drives it lacks a compelling theoretical explanation, and has sparked an intense observational effort to understand its nature. Over the past five years, the Supernova Legacy Survey (SNLS) has made a concerted effort to gather 500 distant Type Ia Supernovae (SNe Ia), a sample of standard candles with the power to make a 5% statistical measurement of the dark energy's equation of state. The SNLS sample also provides one of the most uniform sets of SNe Ia available, with a photometric and spectroscopic coverage allowing new insights into the physical nature of SN Ia progenitors. With the survey recently completed, we report on the latest science analysis, and the vital role that the ESO VLT has played in measuring these distant cosmic explosions.

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