The Kavli Institute for Cosmological Physics California Institute of Technology Columbia University Fermilab Jet Propulsion Laboratory KEK Kavli Institute for Particle Astrophysics and Cosmology Max Planck Institute for Radio Astronomy Princeton University University of Manchester University of Miami University of Michigan University of Oslo University of Oxford
Altitude
5,080 m (16,670 ft)
Wavelength
40, 90 GHz (7.5, 3.3 mm)
Telescope style
cosmic microwave background experiment radio telescope
Number of telescopes
4
Diameter
2, 7 m (6 ft 7 in, 23 ft 0 in)
Website
quiet.uchicago.edu
Location of QUIET
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[edit on Wikidata]
QUIET was an astronomy experiment to study the polarization of the cosmic microwave background radiation.[1] QUIET stands for Q/U Imaging ExperimenT. The Q/U in the name refers to the ability of the telescope to measure the Q and U Stokes parameters simultaneously. QUIET was located at an elevation of 5,080 metres (16,700 feet) at Llano de Chajnantor Observatory in the Chilean Andes.[2] It began observing in late 2008 and finished observing in December 2010.[3]
QUIET was the result of an international collaboration that had its origins in the CAPMAP, Cosmic Background Imager (CBI) and QUaD collaborations. The collaboration consisted of 7 groups in the United States (the California Institute of Technology, the University of Chicago, Columbia University, the Jet Propulsion Laboratory, the University of Miami, Princeton University and Stanford University), 4 groups in Europe (the University of Manchester, the Max-Planck-Institut für Radioastronomie Bonn, the University of Oslo and the University of Oxford) and one group in Japan (KEK; the first time a Japan group has been involved in CMB studies). Other members of the collaboration are from the University of California, Berkeley, the Goddard Space Flight Center and the Center for Astrophysics | Harvard & Smithsonian.[1]
^ ab"QUIET (Q/U Imaging ExperimenT)". QUIET collaboration. 17 February 2008. Retrieved 24 May 2008.
^Cite error: The named reference quiet_site was invoked but never defined (see the help page).
^QUIET Collaboration; Bischoff; Brizius; Buder; Chinone; Cleary; Dumoulin; Kusaka; Monsalve (2011). "First Season QUIET Observations: Measurements of CMB Polarization Power Spectra at 43 GHz in the Multipole Range 25 <= ell <= 475". The Astrophysical Journal. 741 (2): 111. arXiv:1012.3191. Bibcode:2011ApJ...741..111Q. doi:10.1088/0004-637X/741/2/111.
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