2016A&A...594A..10P

Query : 2016A&A...594A..10P

2016A&A...594A..10P - Astronomy and Astrophysics, volume 594A, 10-10 (2016/10-1)

Planck 2015 results. X. Diffuse component separation: Foreground maps.

PLANCK COLLABORATION, ADAM R., ADE P.A.R., AGHANIM N., ALVES M.I.R., ARNAUD M., ASHDOWN M., AUMONT J., BACCIGALUPI C., BANDAY A.J., BARREIRO R.B., BARTLETT J.G., BARTOLO N., BATTANER E., BENABED K., BENOIT A., BENOIT-LEVY A., BERNARD J.-P., BERSANELLI M., BIELEWICZ P., BOCK J.J., BONALDI A., BONAVERA L., BOND J.R., BORRILL J., BOUCHET F.R., BOULANGER F., BUCHER M., BURIGANA C., BUTLER R.C., CALABRESE E., CARDOSO J.-F., CATALANO A., CHALLINOR A., CHAMBALLU A., CHARY R.-R., CHIANG H.C., CHRISTENSEN P.R., CLEMENTS D.L., COLOMBI S., COLOMBO L.P.L., COMBET C., COUCHOT F., COULAIS A., CRILL B.P., CURTO A., CUTTAIA F., DANESE L., DAVIES R.D., DAVIS R.J., DE BERNARDIS P., DE ROSA A., DE ZOTTI G., DELABROUILLE J., DESERT F.-X., DICKINSON C., DIEGO J.M., DOLE H., DONZELLI S., DORE O., DOUSPIS M., DUCOUT A., DUPAC X., EFSTATHIOU G., ELSNER F., ENSSLIN T.A., ERIKSEN H.K., FALGARONE E., FERGUSSON J., FINELLI F., FORNI O., FRAILIS M., FRAISSE A.A., FRANCESCHI E., FREJSEL A., GALEOTTA S., GALLI S., GANGA K., GHOSH T., GIARD M., GIRAUD-HERAUD Y., GJERLOW E., GONZALEZ-NUEVO J., GORSKI K.M., GRATTON S., GREGORIO A., GRUPPUSO A., GUDMUNDSSON J.E., HANSEN F.K., HANSON D., HARRISON D.L., HELOU G., HENROT-VERSILLE S., HERNANDEZ-MONTEAGUDO C., HERRANZ D., HILDEBRANDT S.R., HIVON E., HOBSON M., HOLMES W.A., HORNSTRUP A., HOVEST W., HUFFENBERGER K.M., HURIER G., JAFFE A.H., JAFFE T.R., JONES W.C., JUVELA M., KEIHANEN E., KESKITALO R., KISNER T.S., KNEISSL R., KNOCHE J., KUNZ M., KURKI-SUONIO H., LAGACHE G., LAHTEENMAKI A., LAMARRE J.-M., LASENBY A., LATTANZI M., LAWRENCE C.R., LE JEUNE M., LEAHY J.P., LEONARDI R., LESGOURGUES J., LEVRIER F., LIGUORI M., LILJE P.B., LINDEN-VORNLE M., LOPEZ-CANIEGO M., LUBIN P.M., MACIAS-PEREZ J.F., MAGGIO G., MAINO D., MANDOLESI N., MANGILLI A., MARIS M., MARSHALL D.J., MARTIN P.G., MARTINEZ-GONZALEZ E., MASI S., MATARRESE S., McGEHEE P., MEINHOLD P.R., MELCHIORRI A., MENDES L., MENNELLA A., MIGLIACCIO M., MITRA S., MIVILLE-DESCHENES M.-A., MONETI A., MONTIER L., MORGANTE G., MORTLOCK D., MOSS A., MUNSHI D., MURPHY J.A., NASELSKY P., NATI F., NATOLI P., NETTERFIELD C.B., NORGAARD-NIELSEN H.U., NOVIELLO F., NOVIKOV D., NOVIKOV I., ORLANDO E., OXBORROW C.A., PACI F., PAGANO L., PAJOT F., PALADINI R., PAOLETTI D., PARTRIDGE B., PASIAN F., PATANCHON G., PEARSON T.J., PERDEREAU O., PEROTTO L., PERROTTA F., PETTORINO V., PIACENTINI F., PIAT M., PIERPAOLI E., PIETROBON D., PLASZCZYNSKI S., POINTECOUTEAU E., POLENTA G., PRATT G.W., PREZEAU G., PRUNET S., PUGET J.-L., RACHEN J.P., REACH W.T., REBOLO R., REINECKE M., REMAZEILLES M., RENAULT C., RENZI A., RISTORCELLI I., ROCHA G., ROSSET C., ROSSETTI M., ROUDIER G., RUBINO-MARTIN J.A., RUSHOLME B., SANDRI M., SANTOS D., SAVELAINEN M., SAVINI G., SCOTT D., SEIFFERT M.D., SHELLARD E.P.S., SPENCER L.D., STOLYAROV V., STOMPOR R., STRONG A.W., SUDIWALA R., SUNYAEV R., SUTTON D., SUUR-USKI A.-S., SYGNET J.-F., TAUBER J.A., TERENZI L., TOFFOLATTI L., TOMASI M., TRISTRAM M., TUCCI M., TUOVINEN J., UMANA G., VALENZIANO L., VALIVIITA J., VAN TENT F., VIELVA P., VILLA F., WADE L.A., WANDELT B.D., WEHUS I.K., WILKINSON A., YVON D., ZACCHEI A. and ZONCA A.

Abstract (from CDS):

Planck has mapped the microwave sky in temperature over nine frequency bands between 30 and 857GHz and in polarization over seven frequency bands between 30 and 353GHz in polarization. In this paper we consider the problem of diffuse astrophysical component separation, and process these maps within a Bayesian framework to derive an internally consistent set of full-sky astrophysical component maps. Component separation dedicated to cosmic microwave background (CMB) reconstruction is described in a companion paper. For the temperature analysis, we combine the Planck observations with the 9-yr Wilkinson Microwave Anisotropy Probe (WMAP) sky maps and the Haslam et al. 408MHz map, to derive a joint model of CMB, synchrotron, free-free, spinning dust, CO, line emission in the 94 and 100GHz channels, and thermal dust emission. Full-sky maps are provided for each component, with an angular resolution varying between 7.5 and 1°. Global parameters (monopoles, dipoles, relative calibration, and bandpass errors) are fitted jointly with the sky model, and best-fit values are tabulated. For polarization, the model includes CMB, synchrotron, and thermal dust emission. These models provide excellent fits to the observed data, with rms temperature residuals smaller than 4µK over 93% of the sky for all Planck frequencies up to 353GHz, and fractional errors smaller than 1% in the remaining 7% of the sky. The main limitations of the temperature model at the lower frequencies are internal degeneracies among the spinning dust, free-free, and synchrotron components; additional observations from external low-frequency experiments will be essential to break these degeneracies. The main limitations of the temperature model at the higher frequencies are uncertainties in the 545 and 857GHz calibration and zero-points. For polarization, the main outstanding issues are instrumental systematics in the 100-353GHz bands on large angular scales in the form of temperature-to-polarization leakage, uncertainties in the analogue-to-digital conversion, and corrections for the very long time constant of the bolometer detectors, all of which are expected to improve in the near future.

Abstract Copyright: © ESO, 2016

Journal keyword(s): ISM: general - cosmology: observations - polarization - cosmic background radiation - diffuse radiation - Galaxy: general

Simbad objects: 13

Full paper

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Number of rows : 13

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag V	Sp type	#ref 1850 - 2023	#notes
1	NAME SGP	reg	00 51 26.275	-27 07 41.70		~	556	0
2	NAME LMC	G	05 23 34.6	-69 45 22	0.4	~	16630	1
3	M 42	OpC	05 35 17	-05 23.4		~	3982	0
4	NAME Ori Region	reg	05 35 17.30	-05 23 28.0		~	556	0
5	NAME GUM Nebula	ISM	07 43	-42.1		~	414	1
6	NAME Virgo Cluster	ClG	12 26 32.1	+12 43 24		~	6417	0
7	NAME NGP	reg	12 51 26.275	+27 07 41.70		~	1135	0
8	ACO 1656	ClG	12 59 48.7	+27 58 50		~	4629	2
9	NAME dze Oph Cloud	Cld	16 37 09	-10 34.0		~	108	0
10	NAME Galactic Center	reg	17 45 39.60213	-29 00 22.0000		~	13551	0
11	NAME Galactic Circumnuclear Disk	PoG	17 45 40.0	-29 00 28		~	151	0
12	NAME Sgr A*	X	17 45 40.03599	-29 00 28.1699		~	4091	3
13	NAME Cyg Complex	reg	20 32	+45.0		~	578	0

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