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DOI10.1117/12.2056701
CLASS: The cosmology Large Angular Scale Surveyor
Essinger-Hileman, Thomas1; Ali, Aamir1; Amiri, Mandana2; Appel, John W.1; Araujo, Derek3; Bennett, Charles L.1; Boone, Fletcher1; Chan, Manwei1; Cho, Hsiao-Mei4; Chuss, David T.5; Colazo, Felipe5; Crowe, Erik5; Denis, Kevin5; Duenner, Rolando6; Eimer, Joseph1; Gothe, Dominik1; Halpern, Mark2; Harrington, Kathleen1; Hilton, Gene4; Hinshaw, Gary F.2; Huang, Caroline1; Irwin, Kent7; Jones, Glenn; Karakla, John1; Kogut, Alan J.5; Larson, David1; Limon, Michele3; Lowry, Lindsay1; Marriage, Tobias1; Mehrle, Nicholas1; Miller, Amber D.3,5; Miller, Nathan; Moseley, Samuel H.5; Novak, Giles8; Reintsema, Carl4; Rostem, Karwan5; Stevenson, Thomas5; Towner, Deborah5; U-Yen, Kongpop5; Wagner, Emily1; Watts, Duncan1; Wollack, Edward5; Xu, Zhilei1; Zeng, Lingzhen9
通讯作者Essinger-Hileman, Thomas
会议名称Conference on Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII
会议日期JUN 24-27, 2014
会议地点Montreal, CANADA
英文摘要

The Cosmology Large Angular Scale Surveyor (CLASS) is an experiment to measure the signature of a gravitational-wave background from inflation in the polarization of the cosmic microwave background (CMB). CLASS is a multi-frequency array of four telescopes operating from a high-altitude site in the Atacama Desert in Chile. CLASS will survey 70% of the sky in four frequency bands centered at 38, 93, 148, and 217 GHz, which are chosen to straddle the Galactic-foreground minimum while avoiding strong atmospheric emission lines. This broad frequency coverage ensures that CLASS can distinguish Galactic emission from the CMB. The sky fraction of the CLASS survey will allow the full shape of the primordial B-mode power spectrum to be characterized, including the signal from reionization at low l. Its unique combination of large sky coverage, control of systematic errors, and high sensitivity will allow CLASS to measure or place upper limits on the tensor-to-scalar ratio at a level of r = 0.01 and make a cosmic-variance-limited measurement of the optical depth to the surface of last scattering, tau.


来源出版物MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY VII
ISSN0277-786X
EISSN1996-756X
出版年2014
卷号9153
EISBN978-0-8194-9621-8
出版者SPIE-INT SOC OPTICAL ENGINEERING
类型Proceedings Paper
语种英语
国家USA;Canada;Chile
收录类别CPCI-S
WOS记录号WOS:000354387400039
WOS关键词MICROWAVE BACKGROUND POLARIZATION ; PROBE WMAP OBSERVATIONS ; POWER SPECTRA ; MILLIMETER ; FLUCTUATIONS ; POLARIMETRY ; BOLOMETER ; DESIGN ; IMPACT ; CAPMAP
WOS类目Astronomy & Astrophysics ; Optics
WOS研究方向Astronomy & Astrophysics ; Optics
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/303039
作者单位1.Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA;
2.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z4, Canada;
3.Columbia Univ, Dept Phys, New York, NY 10027 USA;
4.NIST, Boulder, CO 80305 USA;
5.NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA;
6.Pontificia Univ Catlica Chile, Inst Astrofis, Santiago, Chile;
7.Stanford Univ, Dept Phys, Stanford, CA 94305 USA;
8.Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA;
9.Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
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Essinger-Hileman, Thomas,Ali, Aamir,Amiri, Mandana,et al. CLASS: The cosmology Large Angular Scale Surveyor[C]:SPIE-INT SOC OPTICAL ENGINEERING,2014.
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