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THE YUAN-TSEH LEE ARRAY FOR MICROWAVE BACKGROUND ANISOTROPY

2009; IOP Publishing; Volume: 694; Issue: 2 Linguagem: Inglês

10.1088/0004-637x/694/2/1610

1538-4357

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, Teddy Huang, Yuh-Jing Hwang, Fabiola Ibañez-Romano, Homin Jiang, Patrick M. Koch, Derek Kubo, Chao-Te Li, Jeremy Lim, Kai-Yang Lin, Guo-Chin Liu, Kwok‐Yung Lo, Cheng-Jiun Ma, Robert N. Martin, Pierre Martin-Cocher, Sandor M. Molnar, Kin‐Wang Ng, Hiroaki Nishioka, Kevin E. O'Connell, Peter Oshiro, F. Patt, Philippe Raffin, Keiichi Umetsu, Tashun Wei, Jiun-Huei Proty Wu, Tzihong Chiueh, Tzihong Chiueh, Tah‐Hsiung Chu, Chih-Wei L. Huang, W-Y. P. Hwang, Yu-Wei Liao, Chun-Hsien Lien, Fu-Cheng Wang, Fu-Cheng Wang, Ray-Ming Wei, Chia‐Hsiang Yang, M. J. Kesteven, Jeff Kingsley, Malcolm M. Sinclair, W. E. Wilson, M. Birkinshaw, Haida Liang, Katy Lancaster, Chan‐Gyung Park, Ue‐Li Pen, J. B. Peterson,

Cosmology and Gravitation Theories

The Yuan-Tseh Lee Array for microwave background anisotropy is the first interferometer dedicated to study the cosmic microwave background radiation at 3 mm wavelength. The choice of 3 mm is to minimize the contributions from foreground synchrotron radiation and Galactic dust emission. The initial configuration of seven 0.6 m telescopes mounted on a 6 m hexapod platform was dedicated in 2006 October 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 to study the structure of dark matter. We also compare our data with X-ray data to derive the Hubble constant.