Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ap%26ss.290...61s&link_type=abstract
Astrophysics and Space Science, v. 290, Issue 1, p. 61-68 (2004).
Astronomy and Astrophysics
Astrophysics
Scientific paper
In the coming years, a number of projects will start intensive supernovæsearches resulting in an increase of the current statistics by a factor of 10. At low redshift, the Nearby Supernova Factory will detect and follow spectrophotometricly ˜ 400 of SNe Ia with a redshift at z ˜ 0.05, and improve our understanding of the intrinsic properties of SNe Ia. At high redshift, the large imager Megacam at the Canada-France-Hawaii Telescope running in a survey mode, will make it possible to detect and follow a large amount of high redshift supernovae. Using Megacam during 5 years ˜ 1000 Type Ia SNe will be detected, at z ranging from 0.3 to 1.2, and ˜ 700 will be used for measuring the cosmological parameters via the Hubble diagram. They will provide a measurement of the cosmic equation of state parameter w. A first test run search was done last spring at the CFHT, using the current imager: the `CFH 12k'. Detection procedure and preliminary results are presented in this article.
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