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Planck 2018 results VIII. Gravitational lensing
- Aghanim, N. (author)
- Akrami, Y. (author)
- Ashdown, M. (author)
- show more...
- Aumont, J. (author)
- Baccigalupi, C. (author)
- Ballardini, M. (author)
- Banday, A. J. (author)
- Barreiro, R. B. (author)
- Bartolo, N. (author)
- Basak, S. (author)
- Benabed, K. (author)
- Bernard, J. -P. (author)
- Bersanelli, M. (author)
- Bielewicz, P. (author)
- Bock, J. J. (author)
- Bond, J. R. (author)
- Borrill, J. (author)
- Bouchet, F. R. (author)
- Boulanger, F. (author)
- Bucher, M. (author)
- Burigana, C. (author)
- Calabrese, E. (author)
- Cardoso, J. -F. (author)
- Carron, J. (author)
- Challinor, A. (author)
- Chiang, H. C. (author)
- Colombo, L. P. L. (author)
- Combet, C. (author)
- Crill, B. P. (author)
- Cuttaia, F. (author)
- de Bernardis, P. (author)
- de Zotti, G. (author)
- Delabrouille, J. (author)
- Di Valentino, E. (author)
- Diego, J. M. (author)
- Dore, O. (author)
- Douspis, M. (author)
- Ducout, A. (author)
- Dupac, X. (author)
- Efstathiou, G. (author)
- Elsner, F. (author)
- Ensslin, T. A. (author)
- Eriksen, H. K. (author)
- Fantaye, Y. (author)
- Fernandez-Cobos, R. (author)
- Finelli, F. (author)
- Forastieri, F. (author)
- Frailis, M. (author)
- Fraisse, A. A. (author)
- Franceschi, E. (author)
- Frolov, A. (author)
- Galeotta, S. (author)
- Galli, S. (author)
- Ganga, K. (author)
- Genova-Santos, R. T. (author)
- Gerbino, M. (author)
- Ghosh, T. (author)
- Gonzalez-Nuevo, J. (author)
- Gorski, K. M. (author)
- Gratton, S. (author)
- Gruppuso, A. (author)
- Hamann, J. (author)
- Handley, W. (author)
- Hansen, F. K. (author)
- Herranz, D. (author)
- Hivon, E. (author)
- Huang, Z. (author)
- Jaffe, A. H. (author)
- Jones, W. C. (author)
- Karakci, A. (author)
- Keihanen, E. (author)
- Keskitalo, R. (author)
- Kiiveri, K. (author)
- Kim, J. (author)
- Knox, L. (author)
- Krachmalnicoff, N. (author)
- Kunz, M. (author)
- Kurki-Suonio, H. (author)
- Lagache, G. (author)
- Lamarre, J. -M. (author)
- Lasenby, A. (author)
- Lattanzi, M. (author)
- Lawrence, C. R. (author)
- Le Jeune, M. (author)
- Levrier, F. (author)
- Lewis, A. (author)
- Liguori, M. (author)
- Lilje, P. B. (author)
- Lindholm, V. (author)
- Lopez-Caniego, M. (author)
- Lubin, P. M. (author)
- Ma, Y. -Z. (author)
- Macias-Perez, J. F. (author)
- Maggio, G. (author)
- Maino, D. (author)
- Mandolesi, N. (author)
- Mangilli, A. (author)
- Marcos-Caballero, A. (author)
- Maris, M. (author)
- Martin, P. G. (author)
- Martinez-Gonzalez, E. (author)
- Matarrese, S. (author)
- Mauri, N. (author)
- McEwen, J. D. (author)
- Melchiorri, A. (author)
- Mennella, A. (author)
- Migliaccio, M. (author)
- Miville-Deschenes, M. -A. (author)
- Molinari, D. (author)
- Moneti, A. (author)
- Montier, L. (author)
- Morgante, G. (author)
- Moss, A. (author)
- Natoli, P. (author)
- Pagano, L. (author)
- Paoletti, D. (author)
- Partridge, B. (author)
- Patanchon, G. (author)
- Perrotta, F. (author)
- Pettorino, V. (author)
- Piacentini, F. (author)
- Polastri, L. (author)
- Polenta, G. (author)
- Puget, J. -L. (author)
- Rachen, J. P. (author)
- Reinecke, M. (author)
- Remazeilles, M. (author)
- Renzi, A. (author)
- Rocha, G. (author)
- Rosset, C. (author)
- Roudier, G. (author)
- Rubino-Martin, J. A. (author)
- Ruiz-Granados, B. (author)
- Salvati, L. (author)
- Sandri, M. (author)
- Savelainen, M. (author)
- Scott, D. (author)
- Sirignano, C. (author)
- Sunyaev, R. (author)
- Suur-Uski, A. -S. (author)
- Tauber, J. A. (author)
- Tavagnacco, D. (author)
- Tenti, M. (author)
- Toffolatti, L. (author)
- Tomasi, M. (author)
- Trombetti, T. (author)
- Valiviita, J. (author)
- Van Tent, B. (author)
- Vielva, P. (author)
- Villa, F. (author)
- Vittorio, N. (author)
- Wandelt, B. D. (author)
- Wehus, I. K. (author)
- White, M. (author)
- White, S. D. M. (author)
- Zacchei, A. (author)
- Zonca, A. (author)
- show less...
- (creator_code:org_t)
- 2020-09-11
- 2020
- English.
- In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 641
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- We present measurements of the cosmic microwave background (CMB) lensing potential using the final Planck 2018 temperature and polarization data. Using polarization maps filtered to account for the noise anisotropy, we increase the significance of the detection of lensing in the polarization maps from 5 sigma to 9 sigma. Combined with temperature, lensing is detected at 40 sigma. We present an extensive set of tests of the robustness of the lensing-potential power spectrum, and construct a minimum-variance estimator likelihood over lensing multipoles 8 <= L <= 400 (extending the range to lower L compared to 2015), which we use to constrain cosmological parameters. We find good consistency between lensing constraints and the results from the Planck CMB power spectra within the Lambda CDM model. Combined with baryon density and other weak priors, the lensing analysis alone constrains (8)Omega (0.25)(m) = 0.589 +/- 0.020 sigma 8 Omega m 0.25 = 0.589 +/- 0.020 (1 sigma errors). Also combining with baryon acoustic oscillation data, we find tight individual parameter constraints, sigma (8)=0.811 +/- 0.019, H-0 = 67.9(-1.3)(+1.2) km s(-1) Mpc(-1) H 0 = 67 . 9 - 1.3 + 1.2 .> km s - 1 . Mpc - 1 , and Omega (m) = 0.303(-0.018)(+0.016) Omega m = 0 . 303 - 0.018 + 0.016 . Combining with Planck CMB power spectrum data, we measure sigma (8) to better than 1% precision, finding sigma (8)=0.811 +/- 0.006. CMB lensing reconstruction data are complementary to galaxy lensing data at lower redshift, having a different degeneracy direction in sigma (8)-Omega (m) space; we find consistency with the lensing results from the Dark Energy Survey, and give combined lensing-only parameter constraints that are tighter than joint results using galaxy clustering. Using the Planck cosmic infrared background (CIB) maps as an additional tracer of high-redshift matter, we make a combined Planck-only estimate of the lensing potential over 60% of the sky with considerably more small-scale signal. We additionally demonstrate delensing of the Planck power spectra using the joint and individual lensing potential estimates, detecting a maximum removal of 40% of the lensing-induced power in all spectra. The improvement in the sharpening of the acoustic peaks by including both CIB and the quadratic lensing reconstruction is detected at high significance.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- gravitational lensing: weak
- cosmological parameters
- cosmic background radiation
- large-scale structure of Universe
- cosmology: observations
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Aghanim, N.
- Akrami, Y.
- Ashdown, M.
- Aumont, J.
- Baccigalupi, C.
- Ballardini, M.
- show more...
- Banday, A. J.
- Barreiro, R. B.
- Bartolo, N.
- Basak, S.
- Benabed, K.
- Bernard, J. -P.
- Bersanelli, M.
- Bielewicz, P.
- Bock, J. J.
- Bond, J. R.
- Borrill, J.
- Bouchet, F. R.
- Boulanger, F.
- Bucher, M.
- Burigana, C.
- Calabrese, E.
- Cardoso, J. -F.
- Carron, J.
- Challinor, A.
- Chiang, H. C.
- Colombo, L. P. L ...
- Combet, C.
- Crill, B. P.
- Cuttaia, F.
- de Bernardis, P.
- de Zotti, G.
- Delabrouille, J.
- Di Valentino, E.
- Diego, J. M.
- Dore, O.
- Douspis, M.
- Ducout, A.
- Dupac, X.
- Efstathiou, G.
- Elsner, F.
- Ensslin, T. A.
- Eriksen, H. K.
- Fantaye, Y.
- Fernandez-Cobos, ...
- Finelli, F.
- Forastieri, F.
- Frailis, M.
- Fraisse, A. A.
- Franceschi, E.
- Frolov, A.
- Galeotta, S.
- Galli, S.
- Ganga, K.
- Genova-Santos, R ...
- Gerbino, M.
- Ghosh, T.
- Gonzalez-Nuevo, ...
- Gorski, K. M.
- Gratton, S.
- Gruppuso, A.
- Gudmundsson, Jón ...
- Hamann, J.
- Handley, W.
- Hansen, F. K.
- Herranz, D.
- Hivon, E.
- Huang, Z.
- Jaffe, A. H.
- Jones, W. C.
- Karakci, A.
- Keihanen, E.
- Keskitalo, R.
- Kiiveri, K.
- Kim, J.
- Knox, L.
- Krachmalnicoff, ...
- Kunz, M.
- Kurki-Suonio, H.
- Lagache, G.
- Lamarre, J. -M.
- Lasenby, A.
- Lattanzi, M.
- Lawrence, C. R.
- Le Jeune, M.
- Levrier, F.
- Lewis, A.
- Liguori, M.
- Lilje, P. B.
- Lindholm, V.
- Lopez-Caniego, M ...
- Lubin, P. M.
- Ma, Y. -Z.
- Macias-Perez, J. ...
- Maggio, G.
- Maino, D.
- Mandolesi, N.
- Mangilli, A.
- Marcos-Caballero ...
- Maris, M.
- Martin, P. G.
- Martinez-Gonzale ...
- Matarrese, S.
- Mauri, N.
- McEwen, J. D.
- Melchiorri, A.
- Mennella, A.
- Migliaccio, M.
- Miville-Deschene ...
- Molinari, D.
- Moneti, A.
- Montier, L.
- Morgante, G.
- Moss, A.
- Natoli, P.
- Pagano, L.
- Paoletti, D.
- Partridge, B.
- Patanchon, G.
- Perrotta, F.
- Pettorino, V.
- Piacentini, F.
- Polastri, L.
- Polenta, G.
- Puget, J. -L.
- Rachen, J. P.
- Reinecke, M.
- Remazeilles, M.
- Renzi, A.
- Rocha, G.
- Rosset, C.
- Roudier, G.
- Rubino-Martin, J ...
- Ruiz-Granados, B ...
- Salvati, L.
- Sandri, M.
- Savelainen, M.
- Scott, D.
- Sirignano, C.
- Sunyaev, R.
- Suur-Uski, A. -S ...
- Tauber, J. A.
- Tavagnacco, D.
- Tenti, M.
- Toffolatti, L.
- Tomasi, M.
- Trombetti, T.
- Valiviita, J.
- Van Tent, B.
- Vielva, P.
- Villa, F.
- Vittorio, N.
- Wandelt, B. D.
- Wehus, I. K.
- White, M.
- White, S. D. M.
- Zacchei, A.
- Zonca, A.
- show less...
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- NATURAL SCIENCES
- NATURAL SCIENCES
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