Journal articles

Planck 2018 results: II. Low Frequency Instrument data processing

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

* Corresponding author

1 Astrophysique

LPENS - Laboratoire de physique de l'ENS - ENS Paris

2 IRAP - Institut de recherche en astrophysique et planétologie

3 IAP - Institut d'Astrophysique de Paris

4 University of Parma = Università degli studi di Parma [Parme, Italie]

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 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

Abstract : 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

Document type :

Journal articles

Domain :

Physics [physics] / Astrophysics [astro-ph]

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