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- W4300485438 abstract "We describe the Dark Energy Survey (DES), a proposed optical-near infrared survey of 5000 sq. deg of the South Galactic Cap to ~24th magnitude in SDSS griz, that would use a new 3 sq. deg CCD camera to be mounted on the Blanco 4-m telescope at Cerro Telolo Inter-American Observatory (CTIO). The survey data will allow us to measure the dark energy and dark matter densities and the dark energy equation of state through four independent methods: galaxy clusters, weak gravitational lensing tomography, galaxy angular clustering, and supernova distances. These methods are doubly complementary: they constrain different combinations of cosmological model parameters and are subject to different systematic errors. By deriving the four sets of measurements from the same data set with a common analysis framework, we will obtain important cross checks of the systematic errors and thereby make a substantial and robust advance in the precision of dark energy measurements." @default.
- W4300485438 created "2022-10-03" @default.
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- W4300485438 date "2005-10-12" @default.
- W4300485438 modified "2023-10-01" @default.
- W4300485438 title "The Dark Energy Survey" @default.
- W4300485438 doi "https://doi.org/10.48550/arxiv.astro-ph/0510346" @default.
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