Improved measurement of the angular power spectrum of temperature anisotropy in the cosmic microwave background from two new analyses of BOOMERANG observations

J. E. Ruhl; P. A.R. Ade; J. J. Bock; J. R. Bond; J. Borrill; A. Boscaleri; C. R. Contaldi; B. P. Crill; P. De Bernardis; G. De Troia; K. Ganga; M. Giacometti; E. Hivon; V. V. Hristov; A. Iacoangeli; A. H. Jaffe; W. C. Jones; A. E. Lange; S. Masi; P. Mason; P. D. Mauskopf; A. Melchiorri; T. Montroy; C. B. Netterfield; E. Pascale; F. Piacentini; D. Pogosyan; G. Polenta; S. Prunet; G. Romeo

doi:10.1086/379345

Improved measurement of the angular power spectrum of temperature anisotropy in the cosmic microwave background from two new analyses of BOOMERANG observations

J. E. Ruhl, P. A.R. Ade, J. J. Bock, J. R. Bond, J. Borrill, A. Boscaleri, C. R. Contaldi, B. P. Crill, P. De Bernardis, G. De Troia, K. Ganga, M. Giacometti, E. Hivon, V. V. Hristov, A. Iacoangeli, A. H. Jaffe, W. C. Jones, A. E. Lange, S. Masi, P. MasonP. D. Mauskopf, A. Melchiorri, T. Montroy, C. B. Netterfield, E. Pascale, F. Piacentini, D. Pogosyan, G. Polenta, S. Prunet, G. Romeo

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109 Scopus citations

Abstract

We report the most complete analysis to date of observations of the cosmic microwave background (CMB) obtained during the 1998 flight of BOOMERANG. We use two quite different methods to determine the angular power spectrum of the CMB in 20 bands centered at l = 50-1000, applying them to ∼50% more data than has previously been analyzed. The power spectra produced by the two methods are in good agreement with each other and constitute the most sensitive measurements to date over the range 300 < l < 1000. The increased precision of the power spectrum yields more precise determinations of several cosmological parameters than previous analyses of BOOMERANG data. The results continue to support an inflationary paradigm for the origin of the universe, being well fitted by a ∼13.5 Gyr old, flat universe composed of approximately 5% baryonic matter, 30% cold dark matter, and 65% dark energy, with a spectral index of initial density perturbations n_s ∼ 1.

Original language	English (US)
Pages (from-to)	786-805
Number of pages	20
Journal	Astrophysical Journal
Volume	599
Issue number	2 I
DOIs	https://doi.org/10.1086/379345
State	Published - Dec 20 2003
Externally published	Yes

Keywords

Cosmic microwave background
Cosmological parameters
Cosmology: observations

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/379345

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Ruhl, J. E., Ade, P. A. R., Bock, J. J., Bond, J. R., Borrill, J., Boscaleri, A., Contaldi, C. R., Crill, B. P., De Bernardis, P., De Troia, G., Ganga, K., Giacometti, M., Hivon, E., Hristov, V. V., Iacoangeli, A., Jaffe, A. H., Jones, W. C., Lange, A. E., Masi, S., ... Romeo, G. (2003). Improved measurement of the angular power spectrum of temperature anisotropy in the cosmic microwave background from two new analyses of BOOMERANG observations. Astrophysical Journal, 599(2 I), 786-805. https://doi.org/10.1086/379345

Ruhl, JE, Ade, PAR, Bock, JJ, Bond, JR, Borrill, J, Boscaleri, A, Contaldi, CR, Crill, BP, De Bernardis, P, De Troia, G, Ganga, K, Giacometti, M, Hivon, E, Hristov, VV, Iacoangeli, A, Jaffe, AH, Jones, WC, Lange, AE, Masi, S, Mason, P, Mauskopf, PD, Melchiorri, A, Montroy, T, Netterfield, CB, Pascale, E, Piacentini, F, Pogosyan, D, Polenta, G, Prunet, S & Romeo, G 2003, 'Improved measurement of the angular power spectrum of temperature anisotropy in the cosmic microwave background from two new analyses of BOOMERANG observations', Astrophysical Journal, vol. 599, no. 2 I, pp. 786-805. https://doi.org/10.1086/379345

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title = "Improved measurement of the angular power spectrum of temperature anisotropy in the cosmic microwave background from two new analyses of BOOMERANG observations",

abstract = "We report the most complete analysis to date of observations of the cosmic microwave background (CMB) obtained during the 1998 flight of BOOMERANG. We use two quite different methods to determine the angular power spectrum of the CMB in 20 bands centered at l = 50-1000, applying them to ∼50% more data than has previously been analyzed. The power spectra produced by the two methods are in good agreement with each other and constitute the most sensitive measurements to date over the range 300 < l < 1000. The increased precision of the power spectrum yields more precise determinations of several cosmological parameters than previous analyses of BOOMERANG data. The results continue to support an inflationary paradigm for the origin of the universe, being well fitted by a ∼13.5 Gyr old, flat universe composed of approximately 5% baryonic matter, 30% cold dark matter, and 65% dark energy, with a spectral index of initial density perturbations ns ∼ 1.",

keywords = "Cosmic microwave background, Cosmological parameters, Cosmology: observations",

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T1 - Improved measurement of the angular power spectrum of temperature anisotropy in the cosmic microwave background from two new analyses of BOOMERANG observations

AU - Ruhl, J. E.

AU - Ade, P. A.R.

AU - Bock, J. J.

AU - Bond, J. R.

AU - Borrill, J.

AU - Boscaleri, A.

AU - Contaldi, C. R.

AU - Crill, B. P.

AU - De Bernardis, P.

AU - De Troia, G.

AU - Ganga, K.

AU - Giacometti, M.

AU - Hivon, E.

AU - Hristov, V. V.

AU - Iacoangeli, A.

AU - Jaffe, A. H.

AU - Jones, W. C.

AU - Lange, A. E.

AU - Masi, S.

AU - Mason, P.

AU - Mauskopf, P. D.

AU - Melchiorri, A.

AU - Montroy, T.

AU - Netterfield, C. B.

AU - Pascale, E.

AU - Piacentini, F.

AU - Pogosyan, D.

AU - Polenta, G.

AU - Prunet, S.

AU - Romeo, G.

PY - 2003/12/20

Y1 - 2003/12/20

N2 - We report the most complete analysis to date of observations of the cosmic microwave background (CMB) obtained during the 1998 flight of BOOMERANG. We use two quite different methods to determine the angular power spectrum of the CMB in 20 bands centered at l = 50-1000, applying them to ∼50% more data than has previously been analyzed. The power spectra produced by the two methods are in good agreement with each other and constitute the most sensitive measurements to date over the range 300 < l < 1000. The increased precision of the power spectrum yields more precise determinations of several cosmological parameters than previous analyses of BOOMERANG data. The results continue to support an inflationary paradigm for the origin of the universe, being well fitted by a ∼13.5 Gyr old, flat universe composed of approximately 5% baryonic matter, 30% cold dark matter, and 65% dark energy, with a spectral index of initial density perturbations ns ∼ 1.

AB - We report the most complete analysis to date of observations of the cosmic microwave background (CMB) obtained during the 1998 flight of BOOMERANG. We use two quite different methods to determine the angular power spectrum of the CMB in 20 bands centered at l = 50-1000, applying them to ∼50% more data than has previously been analyzed. The power spectra produced by the two methods are in good agreement with each other and constitute the most sensitive measurements to date over the range 300 < l < 1000. The increased precision of the power spectrum yields more precise determinations of several cosmological parameters than previous analyses of BOOMERANG data. The results continue to support an inflationary paradigm for the origin of the universe, being well fitted by a ∼13.5 Gyr old, flat universe composed of approximately 5% baryonic matter, 30% cold dark matter, and 65% dark energy, with a spectral index of initial density perturbations ns ∼ 1.

KW - Cosmic microwave background

KW - Cosmological parameters

KW - Cosmology: observations

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JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2 I

ER -

Improved measurement of the angular power spectrum of temperature anisotropy in the cosmic microwave background from two new analyses of BOOMERANG observations

Abstract

Keywords

ASJC Scopus subject areas

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