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arxiv 1807.06206 v2 pith:ZFKSSY7M submitted 2018-07-17 astro-ph.CO

Planck 2018 results. II. Low Frequency Instrument data processing

Planck Collaboration: Y. Akrami , F. Arg\"ueso , M. Ashdown , J. Aumont , C. Baccigalupi , M. Ballardini , A. J. Banday , R. B. Barreiro
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N. Bartolo S. Basak K. Benabed J.-P. Bernard M. Bersanelli P. Bielewicz L. Bonavera J. R. Bond J. Borrill F. R. Bouchet F. Boulanger M. Bucher C. Burigana R. C. Butler E. Calabrese J.-F. Cardoso L. P. L. Colombo B. P. Crill F. Cuttaia P. de Bernardis A. de Rosa G. de Zotti J. Delabrouille E. Di Valentino C. Dickinson J. M. Diego S. Donzelli A. Ducout X. Dupac G. Efstathiou F. Elsner T. A. En{\ss}lin H. K. Eriksen Y. Fantaye F. Finelli M. Frailis E. Franceschi A. Frolov S. Galeotta S. Galli K. Ganga R. T. G\'enova-Santos M. Gerbino T. Ghosh J. Gonz\'alez-Nuevo K. M. G\'orski S. Gratton A. Gruppuso J. E. Gudmundsson W. Handley F. K. Hansen D. Herranz E. Hivon Z. Huang A. H. Jaffe W. C. Jones A. Karakci E. Keih\"anen R. Keskitalo K. Kiiveri J. Kim T. S. Kisner N. Krachmalnicoff M. Kunz H. Kurki-Suonio J.-M. Lamarre A. Lasenby M. Lattanzi C. R. Lawrence J. P. Leahy F. Levrier M. Liguori P. B. Lilje V. Lindholm M. L\'opez-Caniego Y.-Z. Ma J. F. Mac\'ias-P\'erez G. Maggio D. Maino N. Mandolesi A. Mangilli M. Maris P. G. Martin E. Mart\'inez-Gonz\'alez S. Matarrese N. Mauri J. D. McEwen P. R. Meinhold A. Melchiorri A. Mennella M. Migliaccio D. Molinari L. Montier G. Morgante A. Moss P. Natoli L. Pagano D. Paoletti B. Partridge G. Patanchon L. Patrizii M. Peel F. Perrotta V. Pettorino F. Piacentini G. Polenta J.-L. Puget J. P. Rachen B. Racine M. Reinecke M. Remazeilles A. Renzi G. Rocha G. Roudier J. A. Rubi\~no-Mart\'in L. Salvati M. Sandri M. Savelainen D. Scott 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 T. Trombetti J. Valiviita F. Vansyngel B. Van Tent P. Vielva F. Villa N. Vittorio B. D. Wandelt R. Watson I. K. Wehus A. Zacchei A. Zonca
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keywords finalpipelinedatadescriptionfrequencyimplementedinstrumentinstrumental
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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.

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    Final Planck CMB data confirms the flat 6-parameter ΛCDM model with Ω_c h² = 0.120 ± 0.001, Ω_b h² = 0.0224 ± 0.0001, n_s = 0.965 ± 0.004, τ = 0.054 ± 0.007, H_0 = 67.4 ± 0.5 km/s/Mpc, and no strong evidence for extensions.