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Optical followup of galaxy clusters detected by the South Pole Telescope S.Desai1, R.Armstrong2, M.L.N.Ashby3, B.Bayliss3, G.Bazin1,

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Abstract

Abstract. The South Pole Telescope (SPT) is a 10 meter telescope operating at mm wavelengths. It has recently completed a three-band survey covering 2500 sq. degrees. One of the survey’s main goals is to detect galaxy clusters using Sunyaev-Zeldovich effect and use these clusters for a variety of cosmological and astrophysical studies such as the dark energy equation of state, the primordial non-gaussianity and the evolution of galaxy populations. Since 2005, we have been engaged in a comprehensive optical and near-infrared followup program (at wavelengths between 0.4 and 5 µm) to image high-significance SPT clusters, to measure their photometric redshifts, and to estimate the contamination rate of the candidate lists. These clusters are then used for various cosmological and astrophysical studies. 1

Year: 2016
OAI identifier: oai:CiteSeerX.psu:10.1.1.760.7638
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