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CERN Accelerating science

Article
Report number arXiv:1505.08022
Title Planck 2015 results. V. LFI calibration
Author(s)

Ade, P.A.R. (Cardiff U.) ; Aghanim, N. (Orsay) ; Ashdown, M. (Cambridge U., KICC ; Cambridge U.) ; Aumont, J. (Orsay) ; Baccigalupi, C. (SISSA, Trieste) ; Banday, A.J. (Toulouse III U. ; IRAP, Toulouse) ; Barreiro, R.B. (Cantabria Inst. of Phys.) ; Bartolo, N. (Padua U. ; INFN, Padua) ; Battaglia, P. (Thales Alenia Space Italia, Milan) ; Battaner, E. (Granada U.) ; Benabed, K. (Paris, Inst. Astrophys. ; Paris U., VI-VII) ; Benoit, A. (LPSC, Grenoble) ; Benoit-Levy, A. (University Coll. London ; Paris, Inst. Astrophys. ; Paris U., VI-VII) ; Bernard, J.P. (Toulouse III U. ; IRAP, Toulouse) ; Bersanelli, M. (Milan U. ; Brera Observ.) ; Bielewicz, P. (Warsaw, Copernicus Astron. Ctr. ; IRAP, Toulouse ; SISSA, Trieste) ; Bock, J.J. (Caltech) ; Bonaldi, A. (Manchester U.) ; Bonavera, L. (Cantabria Inst. of Phys.) ; Bond, J.R. (Canadian Inst. Theor. Astrophys.) ; Borrill, J. (LBL, Berkeley ; UC, Berkeley) ; Bouchet, F.R. (Paris, Inst. Astrophys.) ; Bucher, M. (APC, Paris) ; Burigana, C. (Bologna Observ. ; Ferrara U. ; INFN, Bologna) ; Butler, R.C. (Bologna Observ.) ; Calabrese, E. (Oxford U.) ; Cardoso, J.F. (LTCI, Paris ; APC, Paris ; Paris, Inst. Astrophys.) ; Catalano, A. (LPSC, Grenoble ; LERMA, Ivry) ; Chamballu, A. (DAPNIA, Saclay ; Orsay) ; Christensen, P.R. (Bohr Inst.) ; Colombi, S. (Paris, Inst. Astrophys. ; Paris U., VI-VII) ; Colombo, L.P.L. (UCLA ; Caltech) ; Crill, B.P. (Caltech) ; Curto, A. (Cantabria Inst. of Phys. ; Cambridge U. ; Cambridge U., KICC) ; Cuttaia, F. (Bologna Observ.) ; Danese, L. (SISSA, Trieste) ; Davies, R.D. (Manchester U.) ; Davis, R.J. (Manchester U.) ; de Bernardis, P. (Rome U.) ; de Rosa, A. (Bologna Observ.) ; de Zotti, G. (Padua Observ. ; SISSA, Trieste) ; Delabrouille, J. (APC, Paris) ; Dickinson, C. (Manchester U.) ; Diego, J.M. (Cantabria Inst. of Phys.) ; Dole, H. (Orsay ; IUF, Paris) ; Donzelli, S. (Brera Observ.) ; Dore, O. (Caltech) ; Douspis, M. (Orsay) ; Ducout, A. (Paris, Inst. Astrophys. ; Imperial Coll., London) ; Dupac, X. (ESA, Madrid) ; Efstathiou, G. (Cambridge U., Inst. of Astron.) ; Elsner, F. (University Coll. London ; Paris, Inst. Astrophys. ; Paris U., VI-VII) ; Ensslin, T.A. (Garching, Max Planck Inst.) ; Eriksen, H.K. (Oslo U.) ; Fergusson, J. (Cambridge U., DAMTP) ; Finelli, F. (Bologna Observ. ; INFN, Bologna) ; Forni, O. (Toulouse III U. ; IRAP, Toulouse) ; Frailis, M. (Trieste Observ.) ; Franceschi, E. (Bologna Observ.) ; Frejsel, A. (Bohr Inst.) ; Galeotta, S. (Trieste Observ.) ; Galli, S. (Chicago U., KICP) ; Ganga, K. (APC, Paris) ; Giard, M. (Toulouse III U. ; IRAP, Toulouse) ; Giraud-Heraud, Y. (APC, Paris) ; Gjerlow, E. (Oslo U.) ; Gonzalez-Nuevo, J. (Oviedo U. ; Cantabria Inst. of Phys.) ; Gorski, K.M. (Caltech ; Warsaw U.) ; Gratton, S. (Cambridge U., KICC ; Cambridge U., Inst. of Astron.) ; Gregorio, A. (Trieste U. ; Trieste Observ. ; INFN, Trieste) ; Gruppuso, A. (Bologna Observ.) ; Hansen, F.K. (Oslo U.) ; Hanson, D. (Rutherford ; Caltech ; Canadian Inst. Theor. Astrophys.) ; Harrison, D.L. (Cambridge U., Inst. of Astron. ; Cambridge U., KICC) ; Henrot-Versille, S. (Orsay) ; Herranz, D. (Cantabria Inst. of Phys.) ; Hildebrandt, S.R. (Caltech) ; Hivon, E. (Paris, Inst. Astrophys. ; Paris U., VI-VII) ; Hobson, M. (Cambridge U.) ; Holmes, W.A. (Caltech) ; Hornstrup, A. (Denmark, Tech. U.) ; Hovest, W. (Garching, Max Planck Inst.) ; Huffenberger, K.M. (Florida State U.) ; Hurier, G. (Orsay) ; Jaffe, A.H. (Imperial Coll., London) ; Jaffe, T.R. (Toulouse III U. ; IRAP, Toulouse) ; Juvela, M. (Helsinki U.) ; Keihanen, E. (Helsinki U.) ; Keskitalo, R. (LBL, Berkeley) ; Kisner, T.S. (LBL, Berkeley) ; Knoche, J. (Garching, Max Planck Inst.) ; Krachmalnicoff, N. (Milan U.) ; Kunz, M. (Geneva U. ; Orsay ; African Inst. Math. Sci., Cape Town) ; Kurki-Suonio, H. (Helsinki U. ; Helsinki Inst. of Phys.) ; Lagache, G. (Marseille, Lab. Astrophys. ; Orsay) ; Lahteenmaki, A. (Aalto U. ; Helsinki Inst. of Phys.) ; Lamarre, J.M. (LERMA, Ivry) ; Lasenby, A. (Cambridge U. ; Cambridge U., KICC) ; Lattanzi, M. (Ferrara U.) ; Lawrence, C.R. (Caltech) ; Leahy, J.P. (Manchester U.) ; Leonardi, R. (ESA, Madrid) ; Lesgourgues, J. (Aachen, Tech. Hochsch. ; CERN) ; Levrier, F. (LERMA, Ivry) ; Liguori, M. (Padua U. ; INFN, Padua) ; Lilje, P.B. (Oslo U.) ; Linden-Vornle, M. (Denmark, Tech. U.) ; Lopez-Caniego, M. (ESA, Madrid ; Cantabria Inst. of Phys.) ; Lubin, P.M. (UC, Santa Barbara) ; Macias-Perez, J.F. (LPSC, Grenoble) ; Maggio, G. (Trieste Observ.) ; Maino, D. (Milan U. ; Brera Observ.) ; Mandolesi, N. (Bologna Observ. ; Ferrara U.) ; Mangilli, A. (Orsay) ; Maris, M. (Trieste Observ.) ; Martin, P.G. (Canadian Inst. Theor. Astrophys.) ; Martinez-Gonzalez, E. (Cantabria Inst. of Phys.) ; Masi, S. (Rome U.) ; Matarrese, S. (Padua U. ; INFN, Padua ; Gran Sasso) ; McGehee, P. (Caltech) ; Meinhold, P.R. (UC, Santa Barbara) ; Melchiorri, A. (Rome U. ; INFN, Rome) ; Mendes, L. (ESA, Madrid) ; Mennella, A. (Milan U. ; Brera Observ.) ; Migliaccio, M. (Cambridge U., Inst. of Astron. ; Cambridge U., KICC) ; Mitra, S. (Pune U. ; Caltech) ; Montier, L. (Toulouse III U. ; IRAP, Toulouse) ; Morgante, G. (Bologna Observ.) ; Mortlock, D. (Imperial Coll., London) ; Moss, A. (Nottingham U.) ; Munshi, D. (Cardiff U.) ; Murphy, J.A. (NUIM, Maynooth) ; Naselsky, P. (Bohr Inst.) ; Nati, F. (Princeton U.) ; Natoli, P. (Ferrara U. ; INFN, Rome2 ; Bologna Observ.) ; Netterfield, C.B. (Toronto U.) ; Norgaard-Nielsen, H.U. (Denmark, Tech. U.) ; Novikov, D. (Lebedev Inst.) ; Novikov, I. (Bohr Inst. ; Lebedev Inst.) ; Paci, F. (SISSA, Trieste) ; Pagano, L. (Rome U. ; INFN, Rome) ; Pajot, F. (Orsay) ; Paoletti, D. (Bologna Observ. ; INFN, Bologna) ; Partridge, B. (Haverford Coll.) ; Pasian, F. (Trieste Observ.) ; Patanchon, G. (APC, Paris) ; Pearson, T.J. (Caltech) ; Peel, M. (Manchester U.) ; Perdereau, O. (Orsay) ; Perotto, L. (LPSC, Grenoble) ; Perrotta, F. (SISSA, Trieste) ; Pettorino, V. (Heidelberg U.) ; Piacentini, F. (Rome U.) ; Pierpaoli, E. (UCLA) ; Pietrobon, D. (Caltech) ; Pointecouteau, E. (Toulouse III U. ; IRAP, Toulouse) ; Polenta, G. (INFN, Rome2 ; Rome Observ.) ; Pratt, G.W. (DAPNIA, Saclay) ; Prezeau, G. (Caltech) ; Prunet, S. (Paris, Inst. Astrophys. ; Paris U., VI-VII) ; Puget, J.L. (Orsay) ; Rachen, J.P. (Nijmegen U. ; Garching, Max Planck Inst.) ; Rebolo, R. (IAC, La Laguna ; CSIC, Madrid ; Laguna U., Tenerife) ; Reinecke, M. (Garching, Max Planck Inst.) ; Remazeilles, M. (Manchester U. ; Orsay ; APC, Paris) ; Renzi, A. (Rome U. ; INFN, Rome) ; Rocha, G. (Caltech) ; Romelli, E. (Trieste U. ; Trieste Observ.) ; Rosset, C. (APC, Paris) ; Rossetti, M. (Milan U. ; Brera Observ.) ; Roudier, G. (APC, Paris ; LERMA, Ivry ; Caltech) ; Rubino-Martin, J.A. (IAC, La Laguna ; Laguna U., Tenerife) ; Rusholme, B. (Caltech) ; Sandri, M. (Bologna Observ.) ; Santos, D. (LPSC, Grenoble) ; Savelainen, M. (Helsinki U. ; Helsinki Inst. of Phys.) ; Scott, D. (British Columbia U.) ; Seiffert, M.D. (Caltech) ; Shellard, E.P.S. (Cambridge U., DAMTP) ; Spencer, L.D. (Cardiff U.) ; Stolyarov, V. (Cambridge U. ; Cambridge U., KICC ; Stavropol, Astrophys. Observ.) ; Sutton, D. (Cambridge U., Inst. of Astron. ; Cambridge U., KICC) ; Suur-Uski, A.S. (Helsinki U. ; Helsinki Inst. of Phys.) ; Sygnet, J.F. (Paris, Inst. Astrophys.) ; Tauber, J.A. (ESTEC, Noordwijk) ; Tavagnacco, D. (Trieste Observ. ; Trieste U.) ; Terenzi, L. (Facolta di Ingegneria, Rome ; Bologna Observ.) ; Toffolatti, L. (Oviedo U. ; Cantabria Inst. of Phys. ; Bologna Observ.) ; Tomasi, M. (Milan U. ; Brera Observ.) ; Tristram, M. (Orsay) ; Tucci, M. (Geneva U.) ; Tuovinen, J. (Trinity Coll., Dublin) ; Turler, M. (Geneva U.) ; Umana, G. (Catania Astrophys. Observ.) ; Valenziano, L. (Bologna Observ.) ; Valiviita, J. (Helsinki U. ; Helsinki Inst. of Phys.) ; Van Tent, B. (Orsay) ; Vassallo, T. (Trieste Observ.) ; Vielva, P. (Cantabria Inst. of Phys.) ; Villa, F. (Bologna Observ.) ; Wade, L.A. (Caltech) ; Wandelt, B.D. (Paris, Inst. Astrophys. ; Paris U., VI-VII ; Illinois U., Urbana) ; Watson, R. (Manchester U.) ; Wehus, I.K. (Caltech) ; Wilkinson, A. (Manchester U.) ; Yvon, D. (DAPNIA, Saclay) ; Zacchei, A. (Trieste Observ.) ; Zonca, A. (UC, Santa Barbara)

Publication 2016-09-20
Imprint 29 May 2015
Number of pages 24
Note 25 pages, 19 figures, part of the Planck 2015 release. Submitted to A&A
In: Astron. Astrophys. 594 (2016) A5
DOI 10.1051/0004-6361/201526632
Subject category Astrophysics and Astronomy
Accelerator/Facility, Experiment PLANCK
Abstract We present a description of the pipeline used to calibrate the Planck Low Frequency Instrument (LFI) timelines into thermodynamic temperatures for the Planck 2015 data release, covering 4 years of uninterrupted operations. As in the 2013 data release, our calibrator is provided by the spin-synchronous modulation of the CMB dipole, exploiting both the orbital and solar components. Our 2015 LFI analysis provides an independent Solar dipole estimate in excellent agreement with that of HFI and within $1\sigma$ (0.3 % in amplitude) of the WMAP value. This 0.3 % shift in the peak-to-peak dipole temperature from WMAP and a global overhaul of the iterative calibration code increases the overall level of the LFI maps by 0.45 % (30 GHz), 0.64 % (44 GHz), and 0.82 % (70 GHz) in temperature with respect to the 2013 Planck data release, thus reducing the discrepancy with the power spectrum measured by WMAP. We estimate that the LFI calibration uncertainty is at the level of 0.20 % for the 70 GHz map, 0.26 % for the 44 GHz map, and 0.35 % for the 30 GHz map. We provide a detailed description of the impact of all the changes implemented in the calibration since the previous data release.
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