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 |
相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/72711 ) |