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https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/72673
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| 題名: | AMiBA: Sunyaev-Zel'Dovich Effect-derived Properties and Scaling Relations of Massive Galaxy Clusters |
| 作者: | Liao, Yu-Wei;Wu, Jiun-Huei Proty;Ho, Paul T. P.;Huang, Chih-Wei Locutus;Koch, Patrick M.;Lin, Kai-Yang;Liu, Guo-Chin;Sandor M. Molnar;Nishioka, Hiroaki;Umetsu, Keiichi;Wang, Fu-Cheng;Pablo Altamirano;Mark Birkinshaw;Chang, Chia-Hao;Chang, Shu-Hao;Chang, Su-Wei;Chen, Ming-Tang;Chiueh, Tzihong;Han, Chih-Chiang;Huang, Yau-De;Hwang, Yuh-Jing;Jiang, Homin;Michael Kesteven;Kubo, Derek Y.;Li, Chao-Te;Pierre Martin-Cocher;Oshiro, Peter;Philippe Raffin;Wei, Tashun;Warwick Wilson |
| 貢獻者: | 淡江大學物理學系 |
| 關鍵詞: | cosmic background radiation;cosmology: observations;galaxies: clusters: general |
| 日期: | 2010-04 |
| 上傳時間: | 2011-10-24 10:51:41 (UTC+8) |
| 出版者: | Philadelphia: Institute of Physics Publishing, Inc. |
| 摘要: | The Sunyaev-Zel'dovich Effect (SZE) has been observed toward six massive galaxy clusters, at redshifts 0.091 ≤ z ≤ 0.322 in the 86-102 GHz band with the Y. T. Lee Array for Microwave Background Anisotropy (AMiBA). We modify an iterative method, based on the isothermal β models, to derive the electron temperature T e, total mass M t, gas mass M g, and integrated Compton Y within r 2500, from the AMiBA SZE data. Non-isothermal universal temperature profile (UTP) β models are also considered in this paper. These results are in good agreement with those deduced from other observations. We also investigate the embedded scaling relations, due to the assumptions that have been made in the method we adopted, between these purely SZE-deduced T e, M t, M g, and Y. Our results suggest that cluster properties may be measurable with SZE observations alone. However, the assumptions built into the pure-SZE method bias the results of scaling relation estimations and need further study. |
| 關聯: | The Astrophysical Journal 713(1), pp.584-591 |
| DOI: | 10.1088/0004-637X/713/1/584 |
| 顯示於類別: | [物理學系暨研究所] 期刊論文
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