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The Atacama Cosmology Telescope: Cosmology from Galaxy Clusters Detected via the Sunyaev-Zel'dovich Effect
Neelima Sehgal, Hy Trac, Viviana Acquaviva +66
We present constraints on cosmological parameters based on a sample of Sunyaev-Zel'dovich-selected galaxy clusters detected in a millimeter-wave survey by the Atacama Cosmology Tel…
The Atacama Cosmology Telescope: Sunyaev Zel'dovich Selected Galaxy Clusters at 148 GHz in the 2008 Survey
T. A. Marriage, V. Acquaviva, P. A. R. Ade +68
We report on twenty-three clusters detected blindly as Sunyaev-Zel'dovich (SZ) decrements in a 148 GHz, 455 square-degree map of the southern sky made with data from the Atacama Co…
The Atacama Cosmology Telescope: Cosmological Parameters from the 2008 Power Spectra
J. Dunkley, R. Hlozek, J. Sievers +64
We present cosmological parameters derived from the angular power spectrum of the cosmic microwave background (CMB) radiation observed at 148 GHz and 218 GHz over 296 deg^2 with th…
The Atacama Cosmology Telescope: Calibration with WMAP Using Cross-Correlations
Amir Hajian, Viviana Acquaviva, Peter A. R. Ade +64
We present a new calibration method based on cross-correlations with WMAP and apply it to data from the Atacama Cosmology Telescope (ACT). ACT's observing strategy and map making p…
The Atacama Cosmology Telescope: Extragalactic Sources at 148 GHz in the 2008 Survey
T. A. Marriage, J. B. Juin, Y. -T. Lin +66
We report on extragalactic sources detected in a 455 square-degree map of the southern sky made with data at a frequency of 148 GHz from the Atacama Cosmology Telescope 2008 observ…
The Atacama Cosmology Telescope: Physical Properties and Purity of a Galaxy Cluster Sample Selected via the Sunyaev-Zel'dovich Effect
Felipe Menanteau, Jorge Gonzalez, Jean-Baptiste Juin +48
We present optical and X-ray properties for the first confirmed galaxy cluster sample selected by the Sunyaev-Zel'dovich Effect from 148 GHz maps over 455 square degrees of sky mad…