The Yuan-Tseh Lee Array for Microwave Background Anisotropy
Paul T.P. Ho, Pablo Altamirano, Chia-Hao Chang, Shu-Hao Chang, Su-Wei, Chang, Chung-Cheng Chen, Ke-Jung Chen, Ming-Tang Chen, Chih-Chiang Han, West, M. Ho, Yau-De Huang, Yuh-Jing Hwang, Fabiola Ibanez-Romano, Homin Jiang,, Patrick M. Koch, Derek Y. Kubo, Chao-Te Li, Jeremy Lim
TL;DR
The Yuan-Tseh Lee Array for Microwave Background Anisotropy (AMiBA) is a pioneering interferometer at 3mm wavelength designed to study CMB anisotropies, galaxy clusters, and dark matter structure, beginning scientific observations in 2006.
Contribution
It is the first interferometer dedicated to 3mm CMB studies, combining innovative hardware and initial scientific results on galaxy clusters and dark matter.
Findings
Detected galaxy clusters via Sunyaev-Zel'dovich effect
Compared data with Subaru weak lensing for dark matter analysis
Derived Hubble constant from X-ray and microwave data
Abstract
The Yuan-Tseh Lee Array for Microwave Background Anisotropy (AMiBA) is the first interferometer dedicated to studying the cosmic microwave background (CMB) radiation at 3mm wavelength. The choice of 3mm was made to minimize the contributions from foreground synchrotron radiation and Galactic dust emission. The initial configuration of seven 0.6m telescopes mounted on a 6-m hexapod platform was dedicated in October 2006 on Mauna Loa, Hawaii. Scientific operations began with the detection of a number of clusters of galaxies via the thermal Sunyaev-Zel'dovich effect. We compare our data with Subaru weak lensing data in order to study the structure of dark matter. We also compare our data with X-ray data in order to derive the Hubble constant.
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