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@article{Ade:2014:0004-6361/201321580,
author = {Ade, PAR and Aghanim, N and Armitage-Caplan, C and Arnaud, M and Ashdown, M and Atrio-Barandela, F and Aumont, J and Baccigalupi, C and Banday, AJ and Barreiro, RB and Bartlett, JG and Battaner, E and Benabed, K and Benoit, A and Benoit-Levy, A and Bernard, J-P and Bersanelli, M and Bielewicz, P and Bobin, J and Bock, JJ and Bonaldi, A and Bonavera, L and Bond, JR and Borrill, J and Bouchet, FR and Boulanger, F and Bridges, M and Bucher, M and Burigana, C and Butler, RC and Cardoso, J-F and Castex, G and Catalano, A and Challinor, A and Chamballu, A and Chary, R-R and Chen, X and Chiang, HC and Chiang, L-Y and Christensen, PR and Church, S and Clements, DL and Colombi, S and Colombo, LPL and Couchot, F and Coulais, A and Crill, BP and Cruz, M and Curto, A and Cuttaia, F and Danese, L and Davies, RD and Davis, RJ and de, Bernardis P and de, Rosa A and de, Zotti G and Delabrouille, J and Delouis, J-M and Desert, F-X and Dickinson, C and Diego, JM and Dobler, G and Dole, H and Donzelli, S},
doi = {0004-6361/201321580},
journal = {Astronomy and Astrophysics},
title = {Planck 2013 results. XII. Diffuse component separation},
url = {http://dx.doi.org/10.1051/0004-6361/201321580},
volume = {571},
year = {2014}
}

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TY  - JOUR
AB  - Planck has produced detailed all-sky observations over nine frequency bands between 30 and 857 GHz. These observations allow robust reconstruction of the primordial cosmic microwave background (CMB) temperature fluctuations over nearly the full sky, as well as new constraints on Galactic foregrounds, including thermal dust and line emission from molecular carbon monoxide (CO). This paper describes the component separation framework adopted by Planck for many cosmological analyses, including CMB power spectrum determination and likelihood construction on large angular scales, studies of primordial non-Gaussianity and statistical isotropy, the integrated Sachs-Wolfe effect, gravitational lensing, and searches for topological defects. We test four foreground-cleaned CMB maps derived using qualitatively different component separation algorithms. The quality of our reconstructions is evaluated through detailed simulations and internal comparisons, and shown through various tests to be internally consistent and robust for CMB power spectrum and cosmological parameter estimation up to  = 2000. The parameter constraints on ΛCDM cosmologies derived from these maps are consistent with those presented in the cross-spectrum based Planck likelihood analysis. We choose two of the CMB maps for specific scientific goals. We also present maps and frequency spectra of the Galactic low-frequency, CO, and thermal dust emission. The component maps are found to provide a faithful representation of the sky, as evaluated by simulations, with the largest bias seen in the CO component at 3%. For the low-frequency component, the spectral index varies widely over the sky, ranging from about β = −4 to − 2. Considering both morphology and prior knowledge of the low frequencycomponents, the index map allows us to associate a steep spectral index (β< −3.2) with strong anomalous microwave emission, corresponding to a spinning dust spectrum peaking below 20 GHz
AU  - Ade,PAR
AU  - Aghanim,N
AU  - Armitage-Caplan,C
AU  - Arnaud,M
AU  - Ashdown,M
AU  - Atrio-Barandela,F
AU  - Aumont,J
AU  - Baccigalupi,C
AU  - Banday,AJ
AU  - Barreiro,RB
AU  - Bartlett,JG
AU  - Battaner,E
AU  - Benabed,K
AU  - Benoit,A
AU  - Benoit-Levy,A
AU  - Bernard,J-P
AU  - Bersanelli,M
AU  - Bielewicz,P
AU  - Bobin,J
AU  - Bock,JJ
AU  - Bonaldi,A
AU  - Bonavera,L
AU  - Bond,JR
AU  - Borrill,J
AU  - Bouchet,FR
AU  - Boulanger,F
AU  - Bridges,M
AU  - Bucher,M
AU  - Burigana,C
AU  - Butler,RC
AU  - Cardoso,J-F
AU  - Castex,G
AU  - Catalano,A
AU  - Challinor,A
AU  - Chamballu,A
AU  - Chary,R-R
AU  - Chen,X
AU  - Chiang,HC
AU  - Chiang,L-Y
AU  - Christensen,PR
AU  - Church,S
AU  - Clements,DL
AU  - Colombi,S
AU  - Colombo,LPL
AU  - Couchot,F
AU  - Coulais,A
AU  - Crill,BP
AU  - Cruz,M
AU  - Curto,A
AU  - Cuttaia,F
AU  - Danese,L
AU  - Davies,RD
AU  - Davis,RJ
AU  - de,Bernardis P
AU  - de,Rosa A
AU  - de,Zotti G
AU  - Delabrouille,J
AU  - Delouis,J-M
AU  - Desert,F-X
AU  - Dickinson,C
AU  - Diego,JM
AU  - Dobler,G
AU  - Dole,H
AU  - Donzelli,S
AU  - Dore,O
AU  - Douspis,M
AU  - Dunkley,J
AU  - Dupac,X
AU  - Efstathiou,G
AU  - Ensslin,TA
AU  - Eriksen,HK
AU  - Falgarone,E
AU  - Finelli,F
AU  - Forni,O
AU  - Frailis,M
AU  - Fraisse,AA
AU  - Franceschi,E
AU  - Galeotta,S
AU  - Ganga,K
AU  - Giard,M
AU  - Giardino,G
AU  - Giraud-Heraud,Y
AU  - Gonzalez-Nuevo,J
AU  - Gorski,KM
AU  - Gratton,S
AU  - Gregorio,A
AU  - Gruppuso,A
AU  - Hansen,FK
AU  - Hanson,D
AU  - Harrison,DL
AU  - Helou,G
AU  - Henrot-Versille,S
AU  - Hernandez-Monteagudo,C
AU  - Herranz,D
AU  - Hildebrandt,SR
AU  - Hivon,E
AU  - Hobson,M
AU  - Holmes,WA
AU  - Hornstrup,A
AU  - Hovest,W
AU  - Huey,G
AU  - Huffenberger,KM
AU  - Jaffe,AH
AU  - Jaffe,TR
AU  - Jewell,J
AU  - Jones,WC
AU  - Juvela,M
AU  - Keihanen,E
AU  - Keskitalo,R
AU  - Kisner,TS
AU  - Kneissl,R
AU  - Knoche,J
AU  - Knox,L
AU  - Kunz,M
AU  - Kurki-Suonio,H
AU  - Lagache,G
AU  - Lahteenmaki,A
AU  - Lamarre,J-M
AU  - Lasenby,A
AU  - Laureijs,RJ
AU  - Lawrence,CR
AU  - Le,Jeune M
AU  - Leach,S
AU  - Leahy,JP
AU  - Leonardi,R
AU  - Lesgourgues,J
AU  - Liguori,M
AU  - Lilje,PB
AU  - Linden-Vornle,M
AU  - Lopez-Caniego,M
AU  - Lubin,PM
AU  - Macias-Perez,JF
AU  - Maffei,B
AU  - Maino,D
AU  - Mandolesi,N
AU  - Marcos-Caballero,A
AU  - Maris,M
AU  - Marshall,DJ
AU  - Martin,PG
AU  - Martinez-Gonzalez,E
AU  - Masi,S
AU  - Massardi,M
AU  - Matarrese,S
AU  - Matthai,F
AU  - Mazzotta,P
AU  - Meinhold,PR
AU  - Melchiorri,A
AU  - Mendes,L
AU  - Mennella,A
AU  - Migliaccio,M
AU  - Mikkelsen,K
AU  - Mitra,S
AU  - Miville-Deschenes,M-A
AU  - Molinari,D
AU  - Moneti,A
AU  - Montier,L
AU  - Morgante,G
AU  - Mortlock,D
AU  - Moss,A
AU  - Munshi,D
AU  - Murphy,JA
AU  - Naselsky,P
AU  - Nati,F
AU  - Natoli,P
AU  - Netterfield,CB
AU  - Norgaard-Nielsen,HU
AU  - Noviello,F
DO  - 0004-6361/201321580
PY  - 2014///
SN  - 0004-6361
TI  - Planck 2013 results. XII. Diffuse component separation
T2  - Astronomy and Astrophysics
UR  - http://dx.doi.org/10.1051/0004-6361/201321580
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000345282600026&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/60470
VL  - 571
ER  -

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