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Date and Time of the Query: 2019-04-18 T15:32:02 PDT
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For refcode 2010ApJ...720..608L:
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2010ApJ...720..608L Contamination of the Central Sunyaev-Zel'Dovich Decrements in AMiBA Galaxy Cluster Observations Liu, Guo-Chin; Birkinshaw, Mark; Proty Wu, Jiun-Huei; Ho, Paul T. P.; Locutus Huang, Chih-Wei; Liao, Yu-Wei; Lin, Kai-Yang; Molnar, Sandor M.; Nishioka, Hiroaki; Koch, Patrick M.; Umetsu, Keiichi; Wang, Fu-Cheng; Altamirano, Pablo; Chang, Chia-Hao; Chang, Shu-Hao; Chang, Su-Wei; Chen, Ming-Tang; Han, Chih-Chiang; Huang, Yau-De; Hwang, Yuh-Jing; Jiang, Homin; Kesteven, Michael; Kubo, Derek; Li, Chao-Te; Martin-Cocher, Pierre; Oshiro, Peter; Raffin, Philippe; Wei, Tashun; Wilson, Warwick Abstract. We investigate the contamination of the Sunyaev-Zel'dovich (SZ) effect for six galaxy clusters, A1689, A1995, A2142, A2163, A2261, and A2390, observed by the Y. T. Lee Array for Microwave Background Anisotropy in 2007. With the range of baselines used, we find that the largest effect (of order 13%-50% of the central SZ flux density) comes from primary anisotropies in the cosmic microwave background and exceeds the thermal noise in all six cases. Contamination from discrete radio sources is estimated to be at a level of 3%-60% of the central SZ flux density. We use the statistics of these contaminating sources to estimate and correct the errors in the measured SZ effects of these clusters. Key words: cosmic background radiation, cosmology: observations, diffuse radiation, galaxies: clusters: general
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