Subdegree sunyaev-zel'dovich signal from multifrequency boomerang observations

M. Veneziani, A. Amblard, A. Cooray, F. Piacentini, D. Pietrobon, P. Serra, P. A R Ade, J. J. Bock, J. R. Bond, J. Borrill, A. Boscaleri, P. Cabella, C. R. Contaldi, B. P. Crill, P. De Bernardis, G. De Gasperis, A. De Oliveira-Costa, G. De Troia, G. Di Stefano, K. M. GangaE. Hivon, W. C. Jones, T. S. Kisner, A. E. Lange, C. J. MacTavish, S. Masi, Philip Mauskopf, A. Melchiorri, T. E. Montroy, P. Natoli, C. B. Netterfield, E. Pascale, G. Polenta, S. Ricciardi, G. Romeo, J. E. Ruhl, P. Santini, M. Tegmark, N. Vittorio

Research output: Contribution to journalArticle

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Abstract

The Sunyaev-Zel'dovich (SZ) effect is the inverse Compton-scattering of cosmic microwave background (CMB) photons by hot electrons in the intervening gas throughout the universe. The effect has a distinct spectral signature that allows its separation from other signals in multifrequency CMB data sets. Using CMB anisotropies measured at three frequencies by the BOOMERANG2003 flight we constrain SZ fluctuations in the 10 arcmin to 1 deg angular range. Propagating errors and potential systematic effects through simulations, we obtain an overall upper limit of 15.3 μK (2σ) for rms SZ fluctuations in a broad bin between multipoles of 250 and 1200 at the Rayleigh-Jeans (RJ) end of the spectrum. The resulting upper limit on the local universe normalization of the density perturbations with BOOMERANGSZ data alone is σSZ 8 < 1.14 at the 95% confidence level. When combined with other CMB anisotropy and SZ measurements, we find σSZ 8 < 0.92 (95% c.l.).

Original languageEnglish (US)
JournalAstrophysical Journal
Volume702
Issue number1 PART 2
DOIs
StatePublished - 2009
Externally publishedYes

Fingerprint

microwaves
anisotropy
universe
spectral signatures
hot electrons
multipoles
confidence
flight
scattering
perturbation
electron
microwave
photons
gases
gas
simulation
effect
normalisation

Keywords

  • Cosmic microwave background
  • Cosmological parameters
  • Cosmology: observations
  • Large-scale structure of universe

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Veneziani, M., Amblard, A., Cooray, A., Piacentini, F., Pietrobon, D., Serra, P., ... Vittorio, N. (2009). Subdegree sunyaev-zel'dovich signal from multifrequency boomerang observations. Astrophysical Journal, 702(1 PART 2). https://doi.org/10.1088/0004-637X/702/1/L61

Subdegree sunyaev-zel'dovich signal from multifrequency boomerang observations. / Veneziani, M.; Amblard, A.; Cooray, A.; Piacentini, F.; Pietrobon, D.; Serra, P.; Ade, P. A R; Bock, J. J.; Bond, J. R.; Borrill, J.; Boscaleri, A.; Cabella, P.; Contaldi, C. R.; Crill, B. P.; De Bernardis, P.; De Gasperis, G.; De Oliveira-Costa, A.; De Troia, G.; Di Stefano, G.; Ganga, K. M.; Hivon, E.; Jones, W. C.; Kisner, T. S.; Lange, A. E.; MacTavish, C. J.; Masi, S.; Mauskopf, Philip; Melchiorri, A.; Montroy, T. E.; Natoli, P.; Netterfield, C. B.; Pascale, E.; Polenta, G.; Ricciardi, S.; Romeo, G.; Ruhl, J. E.; Santini, P.; Tegmark, M.; Vittorio, N.

In: Astrophysical Journal, Vol. 702, No. 1 PART 2, 2009.

Research output: Contribution to journalArticle

Veneziani, M, Amblard, A, Cooray, A, Piacentini, F, Pietrobon, D, Serra, P, Ade, PAR, Bock, JJ, Bond, JR, Borrill, J, Boscaleri, A, Cabella, P, Contaldi, CR, Crill, BP, De Bernardis, P, De Gasperis, G, De Oliveira-Costa, A, De Troia, G, Di Stefano, G, Ganga, KM, Hivon, E, Jones, WC, Kisner, TS, Lange, AE, MacTavish, CJ, Masi, S, Mauskopf, P, Melchiorri, A, Montroy, TE, Natoli, P, Netterfield, CB, Pascale, E, Polenta, G, Ricciardi, S, Romeo, G, Ruhl, JE, Santini, P, Tegmark, M & Vittorio, N 2009, 'Subdegree sunyaev-zel'dovich signal from multifrequency boomerang observations', Astrophysical Journal, vol. 702, no. 1 PART 2. https://doi.org/10.1088/0004-637X/702/1/L61
Veneziani M, Amblard A, Cooray A, Piacentini F, Pietrobon D, Serra P et al. Subdegree sunyaev-zel'dovich signal from multifrequency boomerang observations. Astrophysical Journal. 2009;702(1 PART 2). https://doi.org/10.1088/0004-637X/702/1/L61
Veneziani, M. ; Amblard, A. ; Cooray, A. ; Piacentini, F. ; Pietrobon, D. ; Serra, P. ; Ade, P. A R ; Bock, J. J. ; Bond, J. R. ; Borrill, J. ; Boscaleri, A. ; Cabella, P. ; Contaldi, C. R. ; Crill, B. P. ; De Bernardis, P. ; De Gasperis, G. ; De Oliveira-Costa, A. ; De Troia, G. ; Di Stefano, G. ; Ganga, K. M. ; Hivon, E. ; Jones, W. C. ; Kisner, T. S. ; Lange, A. E. ; MacTavish, C. J. ; Masi, S. ; Mauskopf, Philip ; Melchiorri, A. ; Montroy, T. E. ; Natoli, P. ; Netterfield, C. B. ; Pascale, E. ; Polenta, G. ; Ricciardi, S. ; Romeo, G. ; Ruhl, J. E. ; Santini, P. ; Tegmark, M. ; Vittorio, N. / Subdegree sunyaev-zel'dovich signal from multifrequency boomerang observations. In: Astrophysical Journal. 2009 ; Vol. 702, No. 1 PART 2.
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abstract = "The Sunyaev-Zel'dovich (SZ) effect is the inverse Compton-scattering of cosmic microwave background (CMB) photons by hot electrons in the intervening gas throughout the universe. The effect has a distinct spectral signature that allows its separation from other signals in multifrequency CMB data sets. Using CMB anisotropies measured at three frequencies by the BOOMERANG2003 flight we constrain SZ fluctuations in the 10 arcmin to 1 deg angular range. Propagating errors and potential systematic effects through simulations, we obtain an overall upper limit of 15.3 μK (2σ) for rms SZ fluctuations in a broad bin between multipoles of 250 and 1200 at the Rayleigh-Jeans (RJ) end of the spectrum. The resulting upper limit on the local universe normalization of the density perturbations with BOOMERANGSZ data alone is σSZ 8 < 1.14 at the 95{\%} confidence level. When combined with other CMB anisotropy and SZ measurements, we find σSZ 8 < 0.92 (95{\%} c.l.).",
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T1 - Subdegree sunyaev-zel'dovich signal from multifrequency boomerang observations

AU - Veneziani, M.

AU - Amblard, A.

AU - Cooray, A.

AU - Piacentini, F.

AU - Pietrobon, D.

AU - Serra, P.

AU - Ade, P. A R

AU - Bock, J. J.

AU - Bond, J. R.

AU - Borrill, J.

AU - Boscaleri, A.

AU - Cabella, P.

AU - Contaldi, C. R.

AU - Crill, B. P.

AU - De Bernardis, P.

AU - De Gasperis, G.

AU - De Oliveira-Costa, A.

AU - De Troia, G.

AU - Di Stefano, G.

AU - Ganga, K. M.

AU - Hivon, E.

AU - Jones, W. C.

AU - Kisner, T. S.

AU - Lange, A. E.

AU - MacTavish, C. J.

AU - Masi, S.

AU - Mauskopf, Philip

AU - Melchiorri, A.

AU - Montroy, T. E.

AU - Natoli, P.

AU - Netterfield, C. B.

AU - Pascale, E.

AU - Polenta, G.

AU - Ricciardi, S.

AU - Romeo, G.

AU - Ruhl, J. E.

AU - Santini, P.

AU - Tegmark, M.

AU - Vittorio, N.

PY - 2009

Y1 - 2009

N2 - The Sunyaev-Zel'dovich (SZ) effect is the inverse Compton-scattering of cosmic microwave background (CMB) photons by hot electrons in the intervening gas throughout the universe. The effect has a distinct spectral signature that allows its separation from other signals in multifrequency CMB data sets. Using CMB anisotropies measured at three frequencies by the BOOMERANG2003 flight we constrain SZ fluctuations in the 10 arcmin to 1 deg angular range. Propagating errors and potential systematic effects through simulations, we obtain an overall upper limit of 15.3 μK (2σ) for rms SZ fluctuations in a broad bin between multipoles of 250 and 1200 at the Rayleigh-Jeans (RJ) end of the spectrum. The resulting upper limit on the local universe normalization of the density perturbations with BOOMERANGSZ data alone is σSZ 8 < 1.14 at the 95% confidence level. When combined with other CMB anisotropy and SZ measurements, we find σSZ 8 < 0.92 (95% c.l.).

AB - The Sunyaev-Zel'dovich (SZ) effect is the inverse Compton-scattering of cosmic microwave background (CMB) photons by hot electrons in the intervening gas throughout the universe. The effect has a distinct spectral signature that allows its separation from other signals in multifrequency CMB data sets. Using CMB anisotropies measured at three frequencies by the BOOMERANG2003 flight we constrain SZ fluctuations in the 10 arcmin to 1 deg angular range. Propagating errors and potential systematic effects through simulations, we obtain an overall upper limit of 15.3 μK (2σ) for rms SZ fluctuations in a broad bin between multipoles of 250 and 1200 at the Rayleigh-Jeans (RJ) end of the spectrum. The resulting upper limit on the local universe normalization of the density perturbations with BOOMERANGSZ data alone is σSZ 8 < 1.14 at the 95% confidence level. When combined with other CMB anisotropy and SZ measurements, we find σSZ 8 < 0.92 (95% c.l.).

KW - Cosmic microwave background

KW - Cosmological parameters

KW - Cosmology: observations

KW - Large-scale structure of universe

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