AMiBA: Scaling Relations Between the Integrated Compton-y and X-ray-derived Temperature, Mass, and Luminosity

We investigate the scaling relations between the X-ray and the thermal Sunyaev-Zel'dovich effect properties of clusters of galaxies, using data taken during 2007 by the Y. T. Lee Array for Microwave Background Anisotropy (AMiBA) at 94 GHz for the six clusters A1689, A1995, A2142, A2163, A2261,...

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Bibliographic Details
Published in:The Astrophysical journal 2010-06, Vol.716 (1), p.758-765
Main Authors: Huang, Chih-Wei Locutus, Wu, Jiun-Huei Proty, Ho, Paul T. P, Koch, Patrick M, Liao, Yu-Wei, Lin, Kai-Yang, Liu, Guo-Chin, Molnar, Sandor M, Nishioka, Hiroaki, Umetsu, Keiichi, Wang, Fu-Cheng, Altamirano, Pablo, Birkinshaw, Mark, 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, Kesteven, Michael, Kubo, Derek, Li, Chao-Te, Martin-Cocher, Pierre, Oshiro, Peter, Raffin, Philippe, Wei, Tashun, Wilson, Warwick
Format: Article
Language:English
Subjects:
ANISOTROPY
Astronomy
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
BACKGROUND RADIATION
BOLOMETERS
COSMIC RAY SOURCES
COSMIC X-RAY SOURCES
COSMOLOGY
Earth, ocean, space
Exact sciences and technology
GALAXIES
GALAXY CLUSTERS
LUMINOSITY
MASS
MEASURING INSTRUMENTS
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
RADIATIONS
X-RAY GALAXIES
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Summary:We investigate the scaling relations between the X-ray and the thermal Sunyaev-Zel'dovich effect properties of clusters of galaxies, using data taken during 2007 by the Y. T. Lee Array for Microwave Background Anisotropy (AMiBA) at 94 GHz for the six clusters A1689, A1995, A2142, A2163, A2261, and A2390. The scaling relations relate the integrated Compton-y parameter Y {sub 2500} to the X-ray-derived gas temperature T {sub e}, total mass M {sub 2500}, and bolometric luminosity L{sub X} within r {sub 2500}. Our results for the power-law index and normalization are both consistent with the self-similar model and other studies in the literature except for the Y {sub 2500}-L{sub X} relation, for which a physical explanation is given though further investigation may be still needed. Our results not only provide confidence for the AMiBA project but also support our understanding of galaxy clusters.
ISSN:0004-637X
1538-4357
DOI:10.1088/0004-637X/716/1/758