The ARCADE 2 Instrument
The second generation Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission (ARCADE 2) instrument is a balloon-borne experiment to measure the radiometric temperature of the cosmic microwave background and Galactic and extragalactic emission at six frequencies from 3 to 90 GHz. ARCAD...
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Veröffentlicht in: | The Astrophysical journal 2011-04, Vol.730 (2), p.138-jQuery1323909988770='48' |
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container_title | The Astrophysical journal |
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creator | Singal, J Fixsen, D. J Kogut, A Levin, S Limon, M Lubin, P Mirel, P Seiffert, M Villela, T Wollack, E Wuensche, C. A |
description | The second generation Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission (ARCADE 2) instrument is a balloon-borne experiment to measure the radiometric temperature of the cosmic microwave background and Galactic and extragalactic emission at six frequencies from 3 to 90 GHz. ARCADE 2 utilizes a double-nulled design where emission from the sky is compared to that from an external cryogenic full-aperture blackbody calibrator by cryogenic switching radiometers containing internal blackbody reference loads. In order to further minimize sources of systematic error, ARCADE 2 features a cold fully open aperture with all radiometrically active components maintained at near 2.7 K without windows or other warm objects, achieved through a novel thermal design. We discuss the design and performance of the ARCADE 2 instrument in its 2005 and 2006 flights. |
doi_str_mv | 10.1088/0004-637X/730/2/138 |
format | Article |
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We discuss the design and performance of the ARCADE 2 instrument in its 2005 and 2006 flights.</description><subject>Arcades</subject><subject>Astronomy</subject><subject>ASTROPHYSICS, COSMOLOGY AND ASTRONOMY</subject><subject>Blackbody</subject><subject>Cosmic microwave background</subject><subject>Cosmology</subject><subject>DESIGN</subject><subject>Design engineering</subject><subject>Earth, ocean, space</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>EMISSION</subject><subject>Exact sciences and technology</subject><subject>GALAXIES</subject><subject>MEASURING INSTRUMENTS</subject><subject>MICROWAVE RADIATION</subject><subject>RADIATION DETECTORS</subject><subject>RADIATIONS</subject><subject>RADIOMETERS</subject><subject>RELICT RADIATION</subject><subject>Thermal design</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp90M1LwzAYBvAgCs7p2YOXgYgidM13muOYUwcDQSZ4C2masErX1iY7-N-b0rGLslMI-b1PXh4AbhCcIphlKYSQJpyIz1QQmOIUkewEjBAjWUIJE6dgdBDn4ML7r_6KpRyB6_XGTmbv89nTYoIny9qHbre1dbgEZ05X3l7tzzH4eF6s56_J6u1lOZ-tEkMlDwlFeV5QiplkWBvKCmpisnRc28zliHCOKELOQGug5A5ZKxghpCCM4RxLS8bgdshtfCiVN2WwZmOaurYmKIyYoBkUUd0Pqu2a7531QW1Lb2xV6do2O68khkJCSXmUD0cl4gJhzjNJIyUDNV3jfWedartyq7sfhaDqa1V9S6ovTcVaFVax1jh1t_9Ae6Mr1-nalP4wiikUUIo-_XFwZdMeXv8JVG3hIp7-xce2-AXyto2m</recordid><startdate>20110401</startdate><enddate>20110401</enddate><creator>Singal, J</creator><creator>Fixsen, D. 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subjects | Arcades Astronomy ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Blackbody Cosmic microwave background Cosmology DESIGN Design engineering Earth, ocean, space ELECTROMAGNETIC RADIATION EMISSION Exact sciences and technology GALAXIES MEASURING INSTRUMENTS MICROWAVE RADIATION RADIATION DETECTORS RADIATIONS RADIOMETERS RELICT RADIATION Thermal design |
title | The ARCADE 2 Instrument |
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