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Archeops: A High Resolution, Large Sky Coverage Balloon Experiment for Mapping CMB Anisotropies

By Alain Benoit, P. Ade, A. Amblard, R. Ansari, E. Aubourg, J. Bartlett, J.P. Bernard, R.S. Bhatia, A. Blanchard, J.J. Bock, A. Boscaleri, F.R. Bouchet, A. Bourrachot, P. Camus, F. Couchot, P. De Bernardis, J. Delabrouille, F.X. Desert, O. Dore, M. Douspis, L. Dumoulin, X. Dupac, P. Filliatre, K. Ganga, F. Gannaway, B. Gautier, M. Giard, Y. Giraud-Heraud, R. Gispert, L. Guglielmi, J.C. Hamilton, S. Hanany, S. Henrot-Versille, V.V. Hristov, J. Kaplan, G. Lagache, J.M. Lamarre, A.E. Lange, K. Madet, B. Maffei, D. Marrone, S. Masi, J.A. Murphy, F. Naraghi, F. Nati, G. Perrin, M. Piat, J.L. Puget, D. Santos, R.V. Sudiwala, J.C. Vanel, D. Vibert, E. Wakui and D. Yvon

Abstract

44 pages, 24 figures Full resolution postscript at http://publi.archeops.orgArcheops is a balloon-borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution (8 arcminutes) over a large fraction (25%) of the sky in the millimetre domain. Based on Planck High Frequency Instrument (HFI) technology, cooled bolometers (0.1 K) scan the sky in total power mode with large circles at constant elevation. During the course of a 24-hour Arctic-night balloon flight, Archeops will observe a complete annulus on the sky in four frequency bands centered at 143, 217, 353 and 545 GHz with an expected sensitivity to CMB fluctuations of \\~100muK for each of the 90 thousand 20 arcminute average pixels. We describe the instrument and its performance obtained during a test flight from Trapani (Sicily) to Spain in July 1999

Topics: [PHYS.ASTR.CO] Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], [SDU.ASTR] Sciences of the Universe [physics]/Astrophysics [astro-ph]
Publisher: Elsevier
Year: 2002
DOI identifier: 10.1016/S0927-6505(01)00141-4
OAI identifier: oai:HAL:hal-00009204v1
Provided by: Hal-Diderot
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