Systems and control software for the Atacama Cosmology Telescope
ADVANCED SOFTWARE AND CONTROL FOR ASTRONOMY II, PTS 1 & 2(2008)
摘要
The Atacama Cosmology Telescope (ACT) is designed to measure temperature anisotropies of the cosmic microwave background (CMB) at arcminute resolution. It is the first, CMB experiment to employ a 32x32 close-packed array of free-space-coupled transition-edge superconducting bolometers. We describe the organization of the telescope systems and software for autonomous, scheduled operations. When paired with real-time data streaming and display, we are able to operate the telescope at the remote site in the Chilean Altiplano via the Internet from North America. The telescope had a data rate of 70 GB/day in the 2007 season., and the 2008 upgrade to three arrays will bring this to 210 GB/day.
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关键词
bolometers,internet,superconductors
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