Measurement of a peak in the cosmic microwave background power spectrum from the North American test flight of boomerang

P. D. Mauskopf, P. R.A. Ade, P. De Bernardis, J. J. Bock, J. Borrill, A. Boscaleri, B. P. Crill, G. DeGasperis, G. De Troia, P. Farese, P. G. Ferreira, K. Ganga, M. Giacometti, S. Hanany, V. V. Hristov, A. Iacoangeli, A. H. Jaffe, A. E. Lange, A. T. Lee, S. MasiA. Melchiorri, F. Melchiorri, L. Miglio, T. Montroy, C. B. Netterfield, E. Pascale, F. Piacentini, P. L. Richards, G. Romeo, J. E. Ruhl, E. Scannapieco, F. Scaramuzzi, R. Stompor, N. Vlttorio

Research output: Contribution to journalArticlepeer-review

107 Scopus citations

Abstract

We describe a measurement of the angular power spectrum of anisotropies in the cosmic microwave background (CMB) at scales of 0°.3 to 5° 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 hr test flight of a prototype system in 1997, we mapped more than 200 deg2 at high Galactic latitudes in two bands centered at 90 and 150 GHz with a resolution of 26′ and 16′.5 FWHM, respectively. Analysis of the maps gives a power spectrum with a peak at angular scales of 1° with an amplitude 70 μΚCMB.

Original languageEnglish (US)
Pages (from-to)L59-L62
JournalAstrophysical Journal
Volume536
Issue number2 PART 2
DOIs
StatePublished - Jun 20 2000
Externally publishedYes

Keywords

  • Balloons
  • Cosmic microwave background
  • Cosmology: Observations
  • Instrumentation: Photometers
  • Methods: Data analysis
  • Telescopes

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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