Planck intermediate results VII. Statistical properties of infrared and radio extragalactic sources from the Planck Early Release Compact Source Catalogue at frequencies between 100 and 857 GHz

被引:45
作者
Ade, P. A. R. [87 ]
Aghanim, N. [60 ]
Argueeso, F. [20 ]
Arnaud, M. [74 ]
Ashdown, M. [6 ,71 ]
Atrio-Barandela, F. [18 ]
Aumont, J. [60 ]
Baccigalupi, C. [86 ]
Balbi, A. [37 ,81 ]
Banday, A. J. [9 ,91 ]
Barreiro, R. B. [68 ]
Battaner, E. [93 ]
Benabed, K. [61 ,90 ]
Benoit, A. [58 ]
Bernard, J. -P. [9 ]
Bersanelli, M. [35 ,51 ]
Bethermin, M. [74 ]
Bhatia, R. [7 ]
Bonaldi, A. [70 ]
Bond, J. R. [8 ]
Borrill, J. [13 ,88 ]
Bouchet, F. R. [61 ,90 ]
Burigana, C. [33 ,50 ]
Cabella, P. [38 ]
Cardoso, J. -F. [1 ,61 ,75 ,76 ]
Catalano, A. [73 ,77 ]
Cayon, L. [31 ]
Chamballu, A. [56 ]
Chary, R. -R. [57 ]
Chen, X. [57 ]
Chiang, L. -Y [64 ]
Christensen, P. R. [39 ,83 ]
Clements, D. L. [56 ]
Colafrancesco, S. [47 ]
Colombi, S. [61 ,90 ]
Colombo, L. P. L. [23 ,69 ]
Coulais, A. [73 ]
Crill, B. P. [69 ,84 ]
Cuttaia, F. [50 ]
Danese, L. [86 ]
Davis, R. J. [70 ]
de Bernardis, P. [34 ]
de Gasperis, G. [37 ]
de Zotti, G. [46 ,86 ]
Delabrouille, J. [1 ]
Dickinson, C. [70 ]
Diego, J. M. [68 ]
Dole, H. [59 ,60 ]
Donzelli, S. [51 ]
Dore, O. [10 ,69 ]
机构
[1] Univ Paris Diderot, APC AstroParticule & Cosmol, CEA Lrfu, Observ Paris,CNRS,IN2P3, F-75205 Paris 13, France
[2] Aalto Univ, Metsahovi Radio Observ, Kylmala 02540, Finland
[3] African Inst Math Sci, Cape Town, South Africa
[4] ESRIN, Agenzia Spaziale Italiana Sci Data Ctr, Frascati, Italy
[5] Agenzia Spaziale Italiana, Rome, Italy
[6] Univ Cambridge, Cavendish Lab, Astrophys Grp, Cambridge CB3 0HE, England
[7] ALMA Santiago Cent Off, Santiago, Chile
[8] Univ Toronto, CITA, Toronto, ON M5S 3H8, Canada
[9] CNRS, IRAP, F-31028 Toulouse 4, France
[10] CALTECH, Pasadena, CA 91125 USA
[11] Univ Oslo, Ctr Math Applicat, Oslo, Norway
[12] CEFCA, Teruel 44001, Spain
[13] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Computat Cosmol Ctr, Berkeley, CA 94720 USA
[14] CSIC, Madrid, Spain
[15] CEA Saclay, DSM Irfu SPP, F-91191 Gif Sur Yvette, France
[16] Tech Univ Denmark, Natl Space Inst, DTU Space, DK-2800 Lyngby, Denmark
[17] Univ Geneva, Dept Phys Theor, CH-1211 Geneva 4, Switzerland
[18] Univ Salamanca, Fac Ciencias, Dept Fis Fundamental, E-37008 Salamanca, Spain
[19] Univ Oviedo, Dept Fis, E-33007 Oviedo, Spain
[20] Univ Oviedo, Dept Matemat, Oviedo, Spain
[21] Radboud Univ Nijmegen, Dept Astrophys, IMAPP, NL-6500 GL Nijmegen, Netherlands
[22] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V5Z 1M9, Canada
[23] Univ So Calif, Dept Phys & Astron, Dana & David Dornsife Coll Letter Arts & Sci, Los Angeles, CA 90089 USA
[24] Tufts Univ, Dept Phys & Astron, Medford, MA 02155 USA
[25] Univ Helsinki, Dept Phys, Helsinki, Finland
[26] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA
[27] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[28] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
[29] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA
[30] Univ Illinois, Dept Phys, Urbana, IL USA
[31] Purdue Univ, Dept Stat, W Lafayette, IN 47907 USA
[32] Univ Padua, Dipartimento Fis & Astron G Galilei, I-35131 Padua, Italy
[33] Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, Italy
[34] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[35] Univ Milan, Dipartimento Fis, Milan, Italy
[36] Univ Trieste, Dipartimento Fis, Trieste, Italy
[37] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy
[38] Univ Roma Tor Vergata, Dipartimento Matemat, I-00133 Rome, Italy
[39] Niels Bohr Inst, Discovery Ctr, DK-2100 Copenhagen, Denmark
[40] Univ La Laguna, Dpto Astrofis, E-38206 Tenerife, Spain
[41] European So Observ, ESO Vitacura, Santiago 19, Chile
[42] European Space Agcy, ESAC, Planck Sci Off, Madrid, Spain
[43] European Space Agcy, Estec, NL-2201 AZ Noordwijk, Netherlands
[44] Haverford Coll, Dept Astron, Haverford, PA 19041 USA
[45] Aalto Univ, Univ Helsinki, Helsinki Inst Phys, Helsinki, Finland
[46] INAF Osservatorio Astron Padova, Padua, Italy
[47] INAF Osservatorio Astron Roma, Monte Porzio Catone, Italy
[48] INAF Osservatorio Astron Trieste, Trieste, Italy
[49] INAF Ist Radioastron, I-40129 Bologna, Italy
[50] INAF IASF Bologna, Bologna, Italy
基金
美国国家航空航天局;
关键词
cosmology: observations; surveys; galaxies: statistics; galaxies: evolution; galaxies: star formation; galaxies: active; PROBE WMAP OBSERVATIONS; PRE-LAUNCH STATUS; SUBMILLIMETER NUMBER COUNTS; GALAXY EVOLUTION; MU-M; LUMINOSITY FUNCTIONS; PREDICTIONS; REDSHIFT; MAPS; HERSCHEL;
D O I
10.1051/0004-6361/201220053
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We make use of the Planck all-sky survey to derive number counts and spectral indices of extragalactic sources - infrared and radio sources - from the Planck Early Release Compact Source Catalogue (ERCSC) at 100 to 857 GHz (3mm to 350 mu m). Three zones (deep, medium and shallow) of approximately homogeneous coverage are used to permit a clean and controlled correction for incompleteness, which was explicitly not done for the ERCSC, as it was aimed at providing lists of sources to be followed up. Our sample, prior to the 80% completeness cut, contains between 217 sources at 100 GHz and 1058 sources at 857 GHz over about 12 800 to 16 550 deg(2) (31 to 40% of the sky). After the 80% completeness cut, between 122 and 452 and sources remain, with flux densities above 0.3 and 1.9 Jy at 100 and 857 GHz. The sample so defined can be used for statistical analysis. Using the multi-frequency coverage of the Planck High Frequency Instrument, all the sources have been classified as either dust-dominated (infrared galaxies) or synchrotron-dominated (radio galaxies) on the basis of their spectral energy distributions (SED). Our sample is thus complete, flux-limited and color-selected to differentiate between the two populations. We find an approximately equal number of synchrotron and dusty sources between 217 and 353 GHz; at 353 GHz or higher (or 217 GHz and lower) frequencies, the number is dominated by dusty (synchrotron) sources, as expected. For most of the sources, the spectral indices are also derived. We provide for the first time counts of bright sources from 353 to 857 GHz and the contributions from dusty and synchrotron sources at all HFI frequencies in the key spectral range where these spectra are crossing. The observed counts are in the Euclidean regime. The number counts are compared to previously published data (from earlier Planck results, Herschel, BLAST, SCUBA, LABOCA, SPT, and ACT) and models taking into account both radio or infrared galaxies, and covering a large range of flux densities. We derive the multi-frequency Euclidean level - the plateau in the normalised differential counts at high flux-density - and compare it to WMAP, Spitzer and IRAS results. The submillimetre number counts are not well reproduced by current evolution models of dusty galaxies, whereas the millimetre part appears reasonably well fitted by the most recent model for synchrotron-dominated sources. Finally we provide estimates of the local luminosity density of dusty galaxies, providing the first such measurements at 545 and 857 GHz.
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页数:19
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