First detection of the Sunyaev Zel'dovich effect increment at λ < 650 μ m

M. Zemcov, M. Rex, T. D. Rawle, J. J. Bock, E. Egami, B. Altieri, A. W. Blain, F. Boone, C. R. Bridge, B. Clement, F. Combes, C. D. Dowell, M. Dessauges-Zavadsky, D. Fadda, O. Ilbert, R. J. Ivison, M. Jauzac, J. P. Kneib, D. Lutz, R. PellóM. J. Pereira, P. G. Pérez-González, J. Richard, George H. Rieke, G. Rodighiero, D. Schaerer, G. P. Smith, I. Valtchanov, G. L. Walth, P. Van Der Werf, M. W. Werner

Research output: Contribution to journalArticle

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Abstract

The Sunyaev-Zel'dovich (SZ) effect is a spectral distortion of the cosmic microwave background as observed through the hot plasma in galaxy clusters. This distortion is a decrement in the CMB intensity for λ > 1.3 mm, an increment at shorter wavelengths, and small again by λ ∼ 250 μm. As part of the Herschel Lensing Survey (HLS) we have mapped 1E0657-56 (the Bullet cluster) with SPIRE with bands centered at 250, 350 and 500 μm and have detected the SZ effect at the two longest wavelengths. The measured SZ effect increment central intensities are ΔI0 = 0.097 ± 0.019 MJy sr-1 at 350 μm and ΔI0 = 0.268 ± 0.031 MJy sr-1 at 500 μm, consistent with the SZ effect spectrum derived from previous measurements at 2 mm. No other diffuse emission is detected. The presence of the finite temperature SZ effect correction is preferred by the SPIRE data at a significance of 2.1σ, opening the possibility that the relativistic SZ effect correction can be constrained by SPIRE in a sample of clusters. The results presented here have important ramifications for both sub-mm measurements of galaxy clusters and blank field surveys with SPIRE.

Original languageEnglish (US)
Article numberL16
JournalAstronomy and Astrophysics
Volume518
Issue number7-8
StatePublished - Jul 16 2010

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galaxies
wavelength
blanks
high temperature plasmas
wavelengths
field survey
detection
effect
plasma
microwaves
temperature
microwave

Keywords

  • Cosmic background radiation
  • Galaxies: clusters: individual: 1E0657-56

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Zemcov, M., Rex, M., Rawle, T. D., Bock, J. J., Egami, E., Altieri, B., ... Werner, M. W. (2010). First detection of the Sunyaev Zel'dovich effect increment at λ < 650 μ m. Astronomy and Astrophysics, 518(7-8), [L16].

First detection of the Sunyaev Zel'dovich effect increment at λ < 650 μ m. / Zemcov, M.; Rex, M.; Rawle, T. D.; Bock, J. J.; Egami, E.; Altieri, B.; Blain, A. W.; Boone, F.; Bridge, C. R.; Clement, B.; Combes, F.; Dowell, C. D.; Dessauges-Zavadsky, M.; Fadda, D.; Ilbert, O.; Ivison, R. J.; Jauzac, M.; Kneib, J. P.; Lutz, D.; Pelló, R.; Pereira, M. J.; Pérez-González, P. G.; Richard, J.; Rieke, George H.; Rodighiero, G.; Schaerer, D.; Smith, G. P.; Valtchanov, I.; Walth, G. L.; Van Der Werf, P.; Werner, M. W.

In: Astronomy and Astrophysics, Vol. 518, No. 7-8, L16, 16.07.2010.

Research output: Contribution to journalArticle

Zemcov, M, Rex, M, Rawle, TD, Bock, JJ, Egami, E, Altieri, B, Blain, AW, Boone, F, Bridge, CR, Clement, B, Combes, F, Dowell, CD, Dessauges-Zavadsky, M, Fadda, D, Ilbert, O, Ivison, RJ, Jauzac, M, Kneib, JP, Lutz, D, Pelló, R, Pereira, MJ, Pérez-González, PG, Richard, J, Rieke, GH, Rodighiero, G, Schaerer, D, Smith, GP, Valtchanov, I, Walth, GL, Van Der Werf, P & Werner, MW 2010, 'First detection of the Sunyaev Zel'dovich effect increment at λ < 650 μ m', Astronomy and Astrophysics, vol. 518, no. 7-8, L16.
Zemcov M, Rex M, Rawle TD, Bock JJ, Egami E, Altieri B et al. First detection of the Sunyaev Zel'dovich effect increment at λ < 650 μ m. Astronomy and Astrophysics. 2010 Jul 16;518(7-8). L16.
Zemcov, M. ; Rex, M. ; Rawle, T. D. ; Bock, J. J. ; Egami, E. ; Altieri, B. ; Blain, A. W. ; Boone, F. ; Bridge, C. R. ; Clement, B. ; Combes, F. ; Dowell, C. D. ; Dessauges-Zavadsky, M. ; Fadda, D. ; Ilbert, O. ; Ivison, R. J. ; Jauzac, M. ; Kneib, J. P. ; Lutz, D. ; Pelló, R. ; Pereira, M. J. ; Pérez-González, P. G. ; Richard, J. ; Rieke, George H. ; Rodighiero, G. ; Schaerer, D. ; Smith, G. P. ; Valtchanov, I. ; Walth, G. L. ; Van Der Werf, P. ; Werner, M. W. / First detection of the Sunyaev Zel'dovich effect increment at λ < 650 μ m. In: Astronomy and Astrophysics. 2010 ; Vol. 518, No. 7-8.
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abstract = "The Sunyaev-Zel'dovich (SZ) effect is a spectral distortion of the cosmic microwave background as observed through the hot plasma in galaxy clusters. This distortion is a decrement in the CMB intensity for λ > 1.3 mm, an increment at shorter wavelengths, and small again by λ ∼ 250 μm. As part of the Herschel Lensing Survey (HLS) we have mapped 1E0657-56 (the Bullet cluster) with SPIRE with bands centered at 250, 350 and 500 μm and have detected the SZ effect at the two longest wavelengths. The measured SZ effect increment central intensities are ΔI0 = 0.097 ± 0.019 MJy sr-1 at 350 μm and ΔI0 = 0.268 ± 0.031 MJy sr-1 at 500 μm, consistent with the SZ effect spectrum derived from previous measurements at 2 mm. No other diffuse emission is detected. The presence of the finite temperature SZ effect correction is preferred by the SPIRE data at a significance of 2.1σ, opening the possibility that the relativistic SZ effect correction can be constrained by SPIRE in a sample of clusters. The results presented here have important ramifications for both sub-mm measurements of galaxy clusters and blank field surveys with SPIRE.",
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T1 - First detection of the Sunyaev Zel'dovich effect increment at λ < 650 μ m

AU - Zemcov, M.

AU - Rex, M.

AU - Rawle, T. D.

AU - Bock, J. J.

AU - Egami, E.

AU - Altieri, B.

AU - Blain, A. W.

AU - Boone, F.

AU - Bridge, C. R.

AU - Clement, B.

AU - Combes, F.

AU - Dowell, C. D.

AU - Dessauges-Zavadsky, M.

AU - Fadda, D.

AU - Ilbert, O.

AU - Ivison, R. J.

AU - Jauzac, M.

AU - Kneib, J. P.

AU - Lutz, D.

AU - Pelló, R.

AU - Pereira, M. J.

AU - Pérez-González, P. G.

AU - Richard, J.

AU - Rieke, George H.

AU - Rodighiero, G.

AU - Schaerer, D.

AU - Smith, G. P.

AU - Valtchanov, I.

AU - Walth, G. L.

AU - Van Der Werf, P.

AU - Werner, M. W.

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N2 - The Sunyaev-Zel'dovich (SZ) effect is a spectral distortion of the cosmic microwave background as observed through the hot plasma in galaxy clusters. This distortion is a decrement in the CMB intensity for λ > 1.3 mm, an increment at shorter wavelengths, and small again by λ ∼ 250 μm. As part of the Herschel Lensing Survey (HLS) we have mapped 1E0657-56 (the Bullet cluster) with SPIRE with bands centered at 250, 350 and 500 μm and have detected the SZ effect at the two longest wavelengths. The measured SZ effect increment central intensities are ΔI0 = 0.097 ± 0.019 MJy sr-1 at 350 μm and ΔI0 = 0.268 ± 0.031 MJy sr-1 at 500 μm, consistent with the SZ effect spectrum derived from previous measurements at 2 mm. No other diffuse emission is detected. The presence of the finite temperature SZ effect correction is preferred by the SPIRE data at a significance of 2.1σ, opening the possibility that the relativistic SZ effect correction can be constrained by SPIRE in a sample of clusters. The results presented here have important ramifications for both sub-mm measurements of galaxy clusters and blank field surveys with SPIRE.

AB - The Sunyaev-Zel'dovich (SZ) effect is a spectral distortion of the cosmic microwave background as observed through the hot plasma in galaxy clusters. This distortion is a decrement in the CMB intensity for λ > 1.3 mm, an increment at shorter wavelengths, and small again by λ ∼ 250 μm. As part of the Herschel Lensing Survey (HLS) we have mapped 1E0657-56 (the Bullet cluster) with SPIRE with bands centered at 250, 350 and 500 μm and have detected the SZ effect at the two longest wavelengths. The measured SZ effect increment central intensities are ΔI0 = 0.097 ± 0.019 MJy sr-1 at 350 μm and ΔI0 = 0.268 ± 0.031 MJy sr-1 at 500 μm, consistent with the SZ effect spectrum derived from previous measurements at 2 mm. No other diffuse emission is detected. The presence of the finite temperature SZ effect correction is preferred by the SPIRE data at a significance of 2.1σ, opening the possibility that the relativistic SZ effect correction can be constrained by SPIRE in a sample of clusters. The results presented here have important ramifications for both sub-mm measurements of galaxy clusters and blank field surveys with SPIRE.

KW - Cosmic background radiation

KW - Galaxies: clusters: individual: 1E0657-56

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