期刊論文

學年 99
學期 1
出版(發表)日期 2010-09-01
作品名稱 Contamination of the Central Sunyaev-Zel'dovich Decrements in AMiBA Galaxy Cluster Observations
作品名稱(其他語言)
著者 Liu, Guo-Chin; Birkinshaw, Mark; Wu, Jiun-Huei Proty; Ho, Paul T. P.; Huang, Chih-Wei Locutus; Liao, Yu-Wei; Lin, Kai-Yang
單位 淡江大學物理學系
出版者 Philadelphia: Institute of Physics Publishing, Inc.
著錄名稱、卷期、頁數 The Astrophysical Journal 720(1), pp.608-613
摘要 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.
關鍵字 cosmic background radiation; cosmology: observations; diffuse radiation; galaxies: clusters: general
語言 en
ISSN 0004-637X 1538-4357
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度
國別 USA
公開徵稿
出版型式 紙本 電子版
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