The Dark Energy Survey
- Abbott, T
- Aldering, G
- Annis, J
- Barlow, M
- Bebek, C
- Bigelow, B
- Beldica, C
- Bernstein, R
- Bridle, S
- Brunner, R
- Carlstrom, J
- Campbell, M
- Castander, F
- Cunha, C
- Diehl, H T
- Dodelson, S
- Doel, P
- Efstathiou, G P
- Estrada, J
- Evrard, A
- Fernndez, E
- Flaugher, B
- Fosalba, P
- Frieman, J A
- Gaztaaga, E
- Gerdes, D
- Gladders, M
- Hu, W
- Huterer, D
- Jain, B
- Karliner, I
- Kent, S
- Lahav, O
- Levi, M
- Lima, M
- Lin, H
- Limon, P
- Martínez, M
- McKay, T
- McMahon, R
- Merritt, W K
- Miller, C
- Miralda-Escudé, J
- Mohr, J
- Nichol, R
- Oyaizu, H
- Peacock, J
- Peoples, John
- Perlmutter, S
- Plante, R
- Ricker, P
- Roe, N
- Scarpine, V
- Schubnell, M
- Selen, M
- Sheldon, E S
- Smith, C
- Stebbins, A
- Stoughton, C
- Suntzeff, N
- Sutherland, W
- Takada, M
- Tarle, G
- Tecchio, M
- Thaler, J
- Tucker, D
- Viti, S
- Walker, A
- Wechsler, R
- Weller, J
- Wester, W
DOIAbstract
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 measure...
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