Imperial College London
Alternate

Professor Andrew H Jaffe

Faculty of Natural Sciences, Department of Physics

Professor of Astrophysics and Cosmology
 
 
 
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Contact

 

+44 (0)20 7594 7526a.jaffe Website

 
 
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Assistant

 

Miss Louise Hayward +44 (0)20 7594 7679

 
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Location

 

1018BBlackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Collaboration:2020:0004-6361/201936386,
author = {Collaboration, P and Aghanim, N and Akrami, Y and Ashdown, M and Aumont, J and Baccigalupi, C and Ballardini, M and Banday, AJ and Barreiro, RB and Bartolo, N and Basak, S and Benabed, K and Bernard, J-P and Bersanelli, M and Bielewicz, P and Bock, JJ and Bond, JR and Borrill, J and Bouchet, FR and Boulanger, F and Bucher, M and Burigana, C and Butler, RC and Calabrese, E and Cardoso, J-F and Carron, J and Casaponsa, B and Challinor, A and Chiang, HC and Colombo, LPL and Combet, C and Crill, BP and Cuttaia, F and Bernardis, PD and Rosa, AD and Zotti, GD and Delabrouille, J and Delouis, J-M and Valentino, ED and Diego, JM and Doré, O and Douspis, M and Ducout, A and Dupac, X and Dusini, S and Efstathiou, G and Elsner, F and Enßlin, TA and Eriksen, HK and Fantaye, Y and Fernandez-Cobos, R and Finelli, F and Frailis, M and Fraisse, AA and Franceschi, E and Frolov, A and Galeotta, S and Galli, S and Ganga, K and Génova-Santos, RT and Gerbino, M and Ghosh, T and Giraud-Héraud, Y and Gonzále},
doi = {0004-6361/201936386},
journal = {Astronomy and Astrophysics: a European journal},
title = {Planck 2018 results. V. CMB power spectra and likelihoods},
url = {http://dx.doi.org/10.1051/0004-6361/201936386},
volume = {641},
year = {2020}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - This paper describes the 2018 Planck CMB likelihoods, following a hybridapproach similar to the 2015 one, with different approximations at low and highmultipoles, and implementing several methodological and analysis refinements.With more realistic simulations, and better correction and modelling ofsystematics, we can now make full use of the High Frequency Instrumentpolarization data. The low-multipole 100x143 GHz EE cross-spectrum constrainsthe reionization optical-depth parameter $\tau$ to better than 15% (incombination with with the other low- and high-$\ell$ likelihoods). We alsoupdate the 2015 baseline low-$\ell$ joint TEB likelihood based on the LowFrequency Instrument data, which provides a weaker $\tau$ constraint. At highmultipoles, a better model of the temperature-to-polarization leakage andcorrections for the effective calibrations of the polarization channels(polarization efficiency or PE) allow us to fully use the polarization spectra,improving the constraints on the $\Lambda$CDM parameters by 20 to 30% comparedto TT-only constraints. Tests on the modelling of the polarization demonstrategood consistency, with some residual modelling uncertainties, the accuracy ofthe PE modelling being the main limitation. Using our various tests,simulations, and comparison between different high-$\ell$ implementations, weestimate the consistency of the results to be better than the 0.5$\sigma$level. Minor curiosities already present before (differences between $\ell$<800and $\ell$>800 parameters or the preference for more smoothing of the $C_\ell$peaks) are shown to be driven by the TT power spectrum and are notsignificantly modified by the inclusion of polarization. Overall, the legacyPlanck CMB likelihoods provide a robust tool for constraining the cosmologicalmodel and represent a reference for future CMB observations. (Abridged)
AU  - Collaboration,P
AU  - Aghanim,N
AU  - Akrami,Y
AU  - Ashdown,M
AU  - Aumont,J
AU  - Baccigalupi,C
AU  - Ballardini,M
AU  - Banday,AJ
AU  - Barreiro,RB
AU  - Bartolo,N
AU  - Basak,S
AU  - Benabed,K
AU  - Bernard,J-P
AU  - Bersanelli,M
AU  - Bielewicz,P
AU  - Bock,JJ
AU  - Bond,JR
AU  - Borrill,J
AU  - Bouchet,FR
AU  - Boulanger,F
AU  - Bucher,M
AU  - Burigana,C
AU  - Butler,RC
AU  - Calabrese,E
AU  - Cardoso,J-F
AU  - Carron,J
AU  - Casaponsa,B
AU  - Challinor,A
AU  - Chiang,HC
AU  - Colombo,LPL
AU  - Combet,C
AU  - Crill,BP
AU  - Cuttaia,F
AU  - Bernardis,PD
AU  - Rosa,AD
AU  - Zotti,GD
AU  - Delabrouille,J
AU  - Delouis,J-M
AU  - Valentino,ED
AU  - Diego,JM
AU  - Doré,O
AU  - Douspis,M
AU  - Ducout,A
AU  - Dupac,X
AU  - Dusini,S
AU  - Efstathiou,G
AU  - Elsner,F
AU  - Enßlin,TA
AU  - Eriksen,HK
AU  - Fantaye,Y
AU  - Fernandez-Cobos,R
AU  - Finelli,F
AU  - Frailis,M
AU  - Fraisse,AA
AU  - Franceschi,E
AU  - Frolov,A
AU  - Galeotta,S
AU  - Galli,S
AU  - Ganga,K
AU  - Génova-Santos,RT
AU  - Gerbino,M
AU  - Ghosh,T
AU  - Giraud-Héraud,Y
AU  - González-Nuevo,J
AU  - Górski,KM
AU  - Gratton,S
AU  - Gruppuso,A
AU  - Gudmundsson,JE
AU  - Hamann,J
AU  - Handley,W
AU  - Hansen,FK
AU  - Herranz,D
AU  - Hivon,E
AU  - Huang,Z
AU  - Jaffe,AH
AU  - Jones,WC
AU  - Keihänen,E
AU  - Keskitalo,R
AU  - Kiiveri,K
AU  - Kim,J
AU  - Kisner,TS
AU  - Krachmalnicoff,N
AU  - Kunz,M
AU  - Kurki-Suonio,H
AU  - Lagache,G
AU  - Lamarre,J-M
AU  - Lasenby,A
AU  - Lattanzi,M
AU  - Lawrence,CR
AU  - Jeune,ML
AU  - Levrier,F
AU  - Lewis,A
AU  - Liguori,M
AU  - Lilje,PB
AU  - Lilley,M
AU  - Lindholm,V
AU  - López-Caniego,M
AU  - Lubin,PM
AU  - Ma,Y-Z
AU  - Macías-Pérez,JF
AU  - Maggio,G
AU  - Maino,D
AU  - Mandolesi,N
AU  - Mangilli,A
AU  - Marcos-Caballero,A
AU  - Maris,M
AU  - Martin,PG
AU  - Martínez-González,E
AU  - Matarrese,S
AU  - Mauri,N
AU  - McEwen,JD
AU  - Meinhold,PR
AU  - Melchiorri,A
AU  - Mennella,A
AU  - Migliaccio,M
AU  - Millea,M
AU  - Miville-Deschênes,M-A
AU  - Molinari,D
AU  - Moneti,A
AU  - Montier,L
AU  - Morgante,G
AU  - Moss,A
AU  - Natoli,P
AU  - Nørgaard-Nielsen,HU
AU  - Pagano,L
AU  - Paoletti,D
AU  - Partridge,B
AU  - Patanchon,G
AU  - Peiris,HV
AU  - Perrotta,F
AU  - Pettorino,V
AU  - Piacentini,F
AU  - Polenta,G
AU  - Puget,J-L
AU  - Rachen,JP
AU  - Reinecke,M
AU  - Remazeilles,M
AU  - Renzi,A
AU  - Rocha,G
AU  - Rosset,C
AU  - Roudier,G
AU  - Rubiño-Martín,JA
AU  - Ruiz-Granados,B
AU  - Salvati,L
AU  - Sandri,M
AU  - Savelainen,M
AU  - Scott,D
AU  - Shellard,EPS
AU  - Sirignano,C
AU  - Sirri,G
AU  - Spencer,LD
AU  - Sunyaev,R
AU  - Suur-Uski,A-S
AU  - Tauber,JA
AU  - Tavagnacco,D
AU  - Tenti,M
AU  - Toffolatti,L
AU  - Tomasi,M
AU  - Trombetti,T
AU  - Valiviita,J
AU  - Tent,BV
AU  - Vielva,P
AU  - Villa,F
AU  - Vittorio,N
AU  - Wandelt,BD
AU  - Wehus,IK
AU  - Zacchei,A
AU  - Zonca,A
DO  - 0004-6361/201936386
PY  - 2020///
SN  - 0004-6361
TI  - Planck 2018 results. V. CMB power spectra and likelihoods
T2  - Astronomy and Astrophysics: a European journal
UR  - http://dx.doi.org/10.1051/0004-6361/201936386
UR  - http://arxiv.org/abs/1907.12875v1
UR  - http://hdl.handle.net/10044/1/82459
VL  - 641
ER  -
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