Measurement of a Peak in the Cosmic Microwave Background Power Spectrum from the North American test flight of BOOMERANG

Details Measurement of a Peak in the Cosmic Microwave Background Power Spectrum from the North American test flight of BOOMERANG Measurement of a Peak in the Cosmic Microwave Background Power Spectrum from the North American test flight of BOOMERANG

1999-11-24

arxiv.org/abs/astro-ph/9911444v1

Astrophys.J. 536 (2000) L59-L62

Astronomy and Astrophysics

Astrophysics

5 pages, 1 figure LaTeX, emulateapj.sty

Scientific paper

10.1086/312743

We describe a measurement of the angular power spectrum of anisotropies in the Cosmic Microwave Background (CMB) from 0.3 degrees to ~10 degrees from the North American test flight of the BOOMERANG experiment. BOOMERANG is a balloon-borne telescope with a bolometric receiver designed to map CMB anisotropies on a Long Duration Balloon flight. During a 6-hour test flight of a prototype system in 1997, we mapped > 200 square degrees at high galactic latitudes in two bands centered at 90 and 150 GHz with a resolution of 26 and 16.6 arcmin FWHM respectively. Analysis of the maps gives a power spectrum with a peak at angular scales of ~1 degree with an amplitude ~70 uK.

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