Supernova Legacy Survey (SNLS) : real time operations and photometric analysis

Details Supernova Legacy Survey (SNLS) : real time operations and photometric analysis Supernova Legacy Survey (SNLS) : real time operations and photometric analysis

2005-09-15

arxiv.org/abs/astro-ph/0509425v1

Astronomy and Astrophysics

Astrophysics

Proceedings of the SF2A workshop, Strasbourg, June 27 - July 1 2005. To be published by EDP-Sciences. 4 pages

Scientific paper

Type Ia supernovae (SN Ia) have provided the first evidence for an accelerating universe and for the existence of an unknown ``dark energy'' driving this expansion. The 5-year Supernova Legacy Survey (SNLS) will deliver \~700 type Ia supernovae and as many type II supernovae with well-sampled light curves in 4 filters g', r', i' and z'. The current status of the project will be presented, along with the real time processing leading to the discovery and spectroscopic observation of the supernovae. We also present an offline selection of the SN candidates which aims at identifying and eliminating potential selection biases.

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