Planck 2015 results

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Ade, P. A R Aghanim, N. Ashdown, M. Aumont, J. Baccigalupi, C. Banday, A. J. Barreiro, R. B. Bartolo, N. Battaner, E. Benabed, K. Benoît, A. Benoit-Lévy, A. Bernard, J. P. Bersanelli, M. Bielewicz, P. Bock, J. J. Bonaldi, A. Bonavera, L. Bond, J. R. Borrill, J. Bouchet, F. R. Bucher, M. Burigana, C. Butler, R. C. Calabrese, E. Cardoso, J. F. Catalano, A. Chamballu, A. Christensen, P. R. Colombi, S. Colombo, L. P L Crill, B. P. Curto, A. Cuttaia, F. Danese, L. Davies, R. D. Davis, R. J. De Bernardis, P. De Rosa, A. De Zotti, G. Delabrouille, J. Dickinson, C. Diego, J. M. Dole, H. Donzelli, S. Doré, O. Douspis, M. Ducout, A. Lähteenmäki, A. Savelainen, M. 2017-04-20T10:11:20Z 2017-04-20T10:11:20Z 2016-10-01
dc.identifier.citation Planck Collaboration 2016 , ' Planck 2015 results : IV. Low Frequency Instrument beams and window functions ' Astronomy and Astrophysics , vol 594 , A4 . DOI: 10.1051/0004-6361/201525809 en
dc.identifier.issn 0004-6361
dc.identifier.issn 1432-0746
dc.identifier.other PURE UUID: 052196c6-aa50-4dd8-ad85-c65f6c9a4b97
dc.identifier.other PURE ITEMURL:
dc.identifier.other PURE LINK:
dc.identifier.other PURE FILEURL:
dc.description.abstract This paper presents the characterization of the in-flight beams, the beam window functions, and the associated uncertainties for the Planck Low Frequency Instrument (LFI). The structure of the paper is similar to that presented in the 2013 Planck release; the main differences concern the beam normalization and the delivery of the window functions to be used for polarization analysis. The in-flight assessment of the LFI main beams relies on measurements performed during observations of Jupiter. By stacking data from seven Jupiter transits, the main beam profiles are measured down to -25 dB at 30 and 44 GHz, and down to -30 dB at 70 GHz. It has been confirmed that the agreement between the simulated beams and the measured beams is better than 1% at each LFI frequency band (within the 20 dB contour from the peak, the rms values are 0.1% at 30 and 70 GHz; 0.2% at 44 GHz). Simulated polarized beams are used for the computation of the effective beam window functions. The error budget for the window functions is estimated from both main beam and sidelobe contributions, and accounts for the radiometer band shapes. The total uncertainties in the effective beam window functions are 0.7% and 1% at 30 and 44 GHz, respectively (at ℓ ≈ 600); and 0.5% at 70 GHz (at ℓ ≈ 1000). en
dc.format.extent 22
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Astronomy and Astrophysics en
dc.relation.ispartofseries Volume 594 en
dc.rights openAccess en
dc.subject.other Astronomy and Astrophysics en
dc.subject.other Space and Planetary Science en
dc.subject.other 115 Astronomy and space science en
dc.title Planck 2015 results en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Cardiff University
dc.contributor.department CNRS/IN2P3
dc.contributor.department Kavli Institute for Cosmology Cambridge
dc.contributor.department International School for Advanced Studies
dc.contributor.department IRAP
dc.contributor.department Universidad de Cantabria
dc.contributor.department Università Degli Studi di Padova
dc.contributor.department University of Granada
dc.contributor.department UMR7095
dc.contributor.department Université Joseph Fourier Grenoble I
dc.contributor.department INAF/IASF Milano
dc.contributor.department California Institute of Technology
dc.contributor.department University of Manchester
dc.contributor.department University of Toronto
dc.contributor.department University of California at Berkeley
dc.contributor.department AstroParticule et Cosmologie
dc.contributor.department INAF/IASF Bologna
dc.contributor.department University of Oxford
dc.contributor.department Télécom ParisTech
dc.contributor.department CNRS Centre National de la Recherche Scientifique
dc.contributor.department Niels Bohr Institute
dc.contributor.department University of Southern California
dc.contributor.department Università La Sapienza
dc.contributor.department Department of Radio Science and Engineering
dc.contributor.department University of Helsinki
dc.subject.keyword Cosmic background radiation
dc.subject.keyword Methods: data analysis
dc.subject.keyword Telescopes
dc.subject.keyword Astronomy and Astrophysics
dc.subject.keyword Space and Planetary Science
dc.subject.keyword 115 Astronomy and space science
dc.identifier.urn URN:NBN:fi:aalto-201704203615
dc.identifier.doi 10.1051/0004-6361/201525809
dc.type.version publishedVersion

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