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  Consistency of cosmic microwave background temperature measurements in three frequency bands in the 2500-square-degree SPT-SZ survey

Mocanu, L., Crawford, T., Aylor, K., Benson, B., Bleem, L., Carlstrom, J., et al. (2019). Consistency of cosmic microwave background temperature measurements in three frequency bands in the 2500-square-degree SPT-SZ survey. Journal of Cosmology and Astroparticle Physics, 2019(7): 038. doi:10.1088/1475-7516/2019/07/038.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-1008-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-1009-F
Genre: Journal Article

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Mocanu, L.M., Author
Crawford, T.M., Author
Aylor, K., Author
Benson, B.A., Author
Bleem, L.E., Author
Carlstrom, J.E., Author
Chang, C.L., Author
Cho, H.-M., Author
Chown, R., Author
Crites, A.T., Author
de Haan, T., Author
Dobbs, M.A., Author
Everett, W.B., Author
George, E.M., Author
Halverson, N.W., Author
Harrington, N.L., Author
Henning, J.W., Author
Holder, G.P., Author
Holzapfel, W.L., Author
Hou, Z., Author
Hrubes, J.D., AuthorKnox, L., AuthorLee, A.T., AuthorLuong-Van, D., AuthorMarrone, D.P., AuthorMcMahon, J.J., AuthorMeyer, S.S., AuthorMillea, M., AuthorMohr, J. J.1, Author              Natoli, T., AuthorOmori, Y., AuthorPadin, S., AuthorPryke, C., AuthorReichardt, C.L., AuthorRuhl, J.E., AuthorSayre, J.T., AuthorSchaffer, K.K., AuthorShirokoff, E., AuthorStaniszewski, Z., AuthorStark, A.A., AuthorStory, K.T., AuthorVanderlinde, K., AuthorVieira, J.D., AuthorWilliamson, R., AuthorWu, W.L.K., Author more..
Affiliations:
1Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159895              

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 Abstract: We present an internal consistency test of South Pole Telescope (SPT) measurements of the cosmic microwave background (CMB) temperature anisotropy using three-band data from the SPT-SZ survey. These measurements are made from observations of ~ 2500°2 of sky in three frequency bands centered at 95, 150, and 220 GHz. We combine the information from these three bands into six semi-independent estimates of the CMB power spectrum (three single-frequency power spectra and three cross-frequency spectra) over the multipole range 650<ℓ<3000. We subtract an estimate of foreground power from each power spectrum and evaluate the consistency among the resulting CMB-only spectra. We determine that the six foreground-cleaned power spectra are consistent with the null hypothesis, in which the six cleaned spectra contain only CMB power and noise. A fit of the data to this model results in a χ2 value of 236.3 for 235 degrees of freedom, and the probability to exceed this χ2 value is 46%.

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Language(s): eng - English
 Dates: 2019-07-24
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1088/1475-7516/2019/07/038
Other: LOCALID: 3175570
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Title: Journal of Cosmology and Astroparticle Physics
  Abbreviation : J. Cosmol. Astropart. Phys.
  Abbreviation : JCAP
Source Genre: Journal
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Pages: - Volume / Issue: 2019 (7) Sequence Number: 038 Start / End Page: - Identifier: ISSN: 1475-7516