Planck 2018 results

Yashar Akrami (1) , F. Argüeso , M. Ashdown , J. Aumont , C. Baccigalupi , M. Ballardini , A. J. Banday (2) , R. B. Barreiro , N. Bartolo , S. Basak , K. Benabed (3) , J.-P. Bernard , M. Bersanelli (4) , P. Bielewicz , L. Bonavera , J. R. Bond (5) , J. Borrill (6) , F. R. Bouchet (7) , F. Boulanger , M. Bucher (8) , C. Burigana , R. C. Butler , E. Calabrese , J.-F. Cardoso (9) , L. P. L. Colombo , B. P. Crill , F. Cuttaia , P. de Bernardis (10) , A. de Rosa , G. de Zotti , J. Delabrouille (8) , E. Di Valentino , C. Dickinson , J. M. Diego , S. Donzelli , A. Ducout , X. Dupac , G. Efstathiou , F. Elsner (11) , T. A. Ensslin , H. K. Eriksen , Y. Fantaye , F. Finelli , M. Frailis , E. Franceschi , A. Frolov (12) , S. Galeotta , S. Galli , K. Ganga (8) , R. T. Génova-Santos , M. Gerbino , T. Ghosh (13) , J. González-Nuevo , K. M. Górski (14) , Steven Gratton , A. Gruppuso , J. E. Gudmundsson , W. Handley , F. K. Hansen , D. Herranz , E. Hivon (3) , Z. Huang (15) , A. H. Jaffe , W. C. Jones , A. Karakci , E. Keihänen , R. Keskitalo , K. Kiiveri , J. Kim , T. S. Kisner (6) , N. Krachmalnicoff , M. Kunz , H. Kurki-Suonio , J.-M. Lamarre (16) , A. Lasenby , M. Lattanzi (17) , C. R. Lawrence , J. P. Leahy , F. Levrier (16, 1) , M. Liguori , P. B. Lilje , V. Lindholm , M. López-Caniego , Y.-Z. Ma , J. F. Macías-Pérez (18) , G. Maggio , D. Maino , N. Mandolesi , A. Mangilli (2) , M. Maris , P. G. Martin , E. Martínez-González , S. Matarrese (19) , N. Mauri , J. D. Mcewen , P. R. Meinhold , A. Melchiorri (20) , A. Mennella , M. Migliaccio , D. Molinari , L. Montier (2) , G. Morgante , A. Moss , P. Natoli , L. Pagano (13) , D. Paoletti , B. Partridge , G. Patanchon (8) , L. Patrizii , M. Peel , F. Perrotta , V. Pettorino (21) , F. Piacentini , G. Polenta , J.-L. Puget (13) , J. P. Rachen , B. Racine (22) , M. Reinecke , M. Remazeilles (23) , A. Renzi , G. Rocha (14) , G. Roudier (16, 8) , J. A. Rubiño-Martín , L. Salvati (13) , M. Sandri (24) , M. Savelainen , D. Scott (25) , D. S. Seljebotn , C. Sirignano , G. Sirri , L. D. Spencer , A.-S. Suur-Uski , J. A. Tauber , D. Tavagnacco , M. Tenti , L. Terenzi , L. Toffolatti , M. Tomasi (26) , T. Trombetti , J. Valiviita , F. Vansyngel (13) , B. van Tent (27) , P. Vielva , Francesca Villa , N. Vittorio , B. D. Wandelt (3) , R. Watson (28) , I. K. Wehus , A. Zacchei , A. Zonca

1 Astrophysique
2 IRAP - Institut de recherche en astrophysique et planétologie
3 IAP - Institut d'Astrophysique de Paris
4 UNIPR - Università degli studi di Parma = University of Parma
5 CITA - Canadian Institute for Theoretical Astrophysics
6 LBNL - Lawrence Berkeley National Laboratory [Berkeley]
7 PLH - Patrimoine, Littérature, Histoire
8 APC (UMR_7164) - AstroParticule et Cosmologie
9 Universidade Aberta [Lisboa]
10 Dipartimento di Fisica [Roma La Sapienza]
11 IAP - Institut d'Astrophysique de Paris
12 Laboratory for Phytosanitary Diagnostics and Forecasts, All-Russian Institute for Plant Protection
13 IAS - Institut d'astrophysique spatiale
14 JPL - Jet Propulsion Laboratory
15 AOSS - Department of Atmospheric, Oceanic, and Space Sciences [Ann Arbor]
16 LERMA (UMR_8112) - Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique
17 ICRA and Physics Department
18 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
19 Dipartimento di Fisica "G. Galilei"
20 UNIROMA - Università degli Studi di Roma "La Sapienza" = Sapienza University [Rome]
21 AIM (UMR_7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation
22 CEA-LETI - Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information
23 University of Manchester [Manchester]
24 VIMM - Venetian Institute Molecular Medicine
25 UBC - University of British Columbia
26 NBCM - Laboratoire de neurobiologie cellulaire et moléculaire
27 IJCLab - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
28 School of Psychology

We present a final description of the data-processing pipeline for the Planck Low Frequency Instrument (LFI), implemented for the 2018 data release. Several improvements have been made with respect to the previous release, especially in the calibration process and in the correction of instrumental features such as the effects of nonlinearity in the response of the analogue-to-digital converters. We provide a brief pedagogical introduction to the complete pipeline, as well as a detailed description of the important changes implemented. Self-consistency of the pipeline is demonstrated using dedicated simulations and null tests. We present the final version of the LFI full sky maps at 30, 44, and 70 GHz, both in temperature and polarization, together with a refined estimate of the solar dipole and a final assessment of the main LFI instrumental parameters.

Keywords: space vehicles: instruments; methods: data analysis; cosmic background radiation

Domains: Physics [physics]; Astrophysics [astro-ph]

Yashar Akrami, F. Argüeso, M. Ashdown, J. Aumont, C. Baccigalupi, et al.. Planck 2018 results: II. Low Frequency Instrument data processing. Astronomy and Astrophysics - A&A, 2020, 641, pp.A2. ⟨10.1051/0004-6361/201833293⟩. ⟨cea-02936945⟩