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MAXIMA-1: A measurement of the cosmic microwave background anisotropy on angular scales of 10'-5°

Hanany, S., Ade, Peter A. R., Balbi, A., Bock, J., Borrill, J., Boscaleri, A., de Bernardis, P., Ferreira, P. G., Hristov, V. V., Jaffe, A. H., Lange, A. E., Lee, A. T., Mauskopf, Philip Daniel, Netterfield, C. B., Oh, S., Pascale, Enzo, Rabii, B., Richards, P. L., Smoot, G. F., Stompor, R., Winant, C. D. and Wu, J. H. P. 2000. MAXIMA-1: A measurement of the cosmic microwave background anisotropy on angular scales of 10'-5°. Astrophysical Journal Letters 545 (1) , L5. 10.1086/317322

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Abstract

We present a map and an angular power spectrum of the anisotropy of the cosmic microwave background (CMB) from the first flight of the Millimeter-wave Anisotropy Experiment Imaging Array (MAXIMA). MAXIMA is a balloon-borne experiment with an array of 16 bolometric photometers operated at 100 mK. MAXIMA observed a 124 deg2 region of the sky with 10' resolution at frequencies of 150, 240, and 410 GHz. The data were calibrated using in-flight measurements of the CMB dipole anisotropy. A map of the CMB anisotropy was produced from three 150 and one 240 GHz photometer without need for foreground subtractions. Analysis of this CMB map yields a power spectrum for the CMB anisotropy over the range 36 ≤ l ≤ 785. The spectrum shows a peak with an amplitude of 78 ± 6 μK at l ≃ 220 and an amplitude varying between ~40 and ~50 μK for 400 ⪝ l ⪝ 785.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: cosmic microwave background; cosmology: observations
Publisher: Institute of Physics
ISSN: 0004-637X
Last Modified: 04 Jun 2017 04:59
URI: http://orca.cf.ac.uk/id/eprint/47260

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