Planck early results. XVI. The Planck view of nearby galaxies

被引：75

作者：

Ade, P. A. R. ^{[68
]}

Aghanim, N. ^{[46
]}

Arnaud, M. ^{[57
]}

Ashdown, M. ^{[5
,55
]}

Aumont, J. ^{[46
]}

Baccigalupi, C. ^{[66
]}

Balbi, A. ^{[27
]}

Banday, A. J. ^{[8
,62
,71
]}

Barreiro, R. B. ^{[52
]}

Bartlett, J. G. ^{[4
,53
]}

Battaner, E. ^{[73
]}

Benabed, K. ^{[47
]}

Benoit, A. ^{[45
]}

Bernard, J. -P. ^{[8
,71
]}

Bersanelli, M. ^{[24
,40
]}

Bhatia, R. ^{[6
]}

Bock, J. J. ^{[53
]}

Bonaldi, A. ^{[36
]}

Bond, J. R. ^{[7
]}

Borrill, J. ^{[61
,69
]}

Bouchet, F. R. ^{[47
]}

Bucher, M. ^{[4
]}

Burigana, C. ^{[39
]}

Cabella, P. ^{[27
]}

Cardoso, J. -F. ^{[4
,47
,58
]}

Catalano, A. ^{[4
,56
]}

Cayon, L. ^{[17
]}

Challinor, A. ^{[9
,49
,55
]}

Chamballu, A. ^{[1
]}

Chary, R. -R. ^{[44
]}

Chiang, L. -Y ^{[48
]}

Christensen, P. R. ^{[28
]}

Clements, D. L. ^{[1
]}

Colombi, S. ^{[47
]}

Couchot, F. ^{[60
]}

Coulais, A. ^{[56
]}

Crill, B. P. ^{[53
]}

Cuttaia, F. ^{[39
]}

Danese, L. ^{[66
]}

Davies, R. D. ^{[54
]}

Davis, R. J. ^{[54
]}

de Bernardis, P. ^{[23
]}

de Gasperis, G. ^{[27
]}

de Rosa, A. ^{[39
]}

de Zotti, G. ^{[36
,66
]}

Delabrouille, J. ^{[4
]}

Delouis, J. -M. ^{[47
]}

Desert, F. -X. ^{[42
]}

Dickinson, C. ^{[54
]}

Dole, H. ^{[46
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Astrophys Grp, Prince Consort Rd, London SW7 2AZ, England

[2] Aalto Univ, Metsahovi Radio Observ, Kylmala 02540, Finland

[3] ESRIN, Agenzia Spaziale Italiana Sci Data Ctr, Frascati, Italy

[4] Univ Paris 07, CNRS UMR7164, Paris, France

[5] Univ Cambridge, Astrophys Grp, Cavendish Lab, Cambridge CB3 0HE, England

[6] ALMA Santiago Cent Off, Santiago, Chile

[7] Univ Toronto, CITA, Toronto, ON M5S 3H8, Canada

[8] CNRS, IRAP, F-31028 Toulouse 4, France

[9] Univ Cambridge, DAMTP, Ctr Math Sci, Cambridge CB3 0WA, England

[10] CEA Saclay, DSM Irfu SPP, F-91191 Gif Sur Yvette, France

[11] Natl Space Inst, DTU Space, Copenhagen, Denmark

[12] Univ Oviedo, Dept Fis, E-33007 Oviedo, Spain

[13] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H8, Canada

[14] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V5Z 1M9, Canada

[15] Univ Helsinki, Dept Phys, Helsinki, Finland

[16] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA

[17] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA

[18] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[19] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA

[20] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[21] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[22] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy

[23] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[24] Univ Milan, Dipartimento Fis, Milan, Italy

[25] Univ Trieste, Dipartimento Fis, Trieste, Italy

[26] Univ Ferrara, Dipartimento Fis, I-44122 Ferrara, Italy

[27] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy

[28] Niels Bohr Inst, Discovery Ctr, DK-2100 Copenhagen, Denmark

[29] Univ La Laguna, Dpto Astrofis, E-38206 Tenerife, Spain

[30] European So Observ, ESO Vitacura, Santiago 19, Chile

[31] European Space Agcy, ESAC, Planck Sci Off, Madrid, Spain

[32] European Space Agcy, Estec, NL-2201 AZ Noordwijk, Netherlands

[33] Haverford Coll, Dept Astron, Haverford, PA 19041 USA

[34] Aalto Univ, Univ Helsinki, Helsinki Inst Phys, Helsinki, Finland

[35] Osserv Astrofis Catania, INAF, I-95125 Catania, Italy

[36] Osserv Astron Padova, INAF, Padua, Italy

[37] Osserv Astron Roma, INAF, I-00040 Monte Porzio Catone, Italy

[38] Osserv Astron Trieste, INAF, I-34131 Trieste, Italy

[39] INAF IASF Bologna, Bologna, Italy

[40] INAF IASF Milano, Milan, Italy

[41] Univ Paris 11, INRIA, Rech Informat Lab, F-91405 Orsay, France

[42] Univ Grenoble 1, IPAG, CNRS INSU, UMR 5274, F-38041 Grenoble, France

[43] Univ Geneva, ISDC Data Ctr Astrophys, Versoix, Switzerland

[44] CALTECH, Ctr Infrared Proc & Anal, Pasadena, CA 91125 USA

[45] Univ Grenoble 1, CNRS, Inst Neel, Grenoble, France

[46] Univ Paris 11, Inst Astrophys Spatiale, CNRS UMR 8617, F-91405 Orsay, France

[47] Univ Paris 06, Inst Astrophys Paris, CNRS UMR 7095, Paris, France

[48] Acad Sinica, Inst Astron & Astrophys, Taipei 115, Taiwan

[49] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England

[50] Univ Oslo, Inst Theoret Astrophys, Oslo, Norway

来源：

ASTRONOMY & ASTROPHYSICS | 2011年 / 536卷

基金：

美国国家科学基金会; 美国国家航空航天局;

关键词：

galaxies: photometry; submillimeter: galaxies; infrared: galaxies; galaxies: ISM; SPECTRAL ENERGY-DISTRIBUTIONS; PRE-LAUNCH STATUS; DEGREE EXTRAGALACTIC SURVEY; DEEP SUBMILLIMETER SURVEY; COLD DUST; STAR-FORMATION; NUMBER COUNTS; SKY SURVEY; SCUBA; LUMINOSITY;

D O I：

10.1051/0004-6361/201116454

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The all-sky coverage of the Planck Early Release Compact Source Catalogue (ERCSC) provides an unsurpassed survey of galaxies at submillimetre (submm) wavelengths, representing a major improvement in the numbers of galaxies detected, as well as the range of far-IR/ submm wavelengths over which they have been observed. We here present the first results on the properties of nearby galaxies using these data. We match the ERCSC catalogue to IRAS-detected galaxies in the Imperial IRAS Faint Source Redshift Catalogue (IIFSCz), so that we can measure the spectral energy distributions (SEDs) of these objects from 60 to 850 mu m. This produces a list of 1717 galaxies with reliable associations between Planck and IRAS, from which we select a subset of 468 for SED studies, namely those with strong detections in the three highest frequency Planck bands and no evidence of cirrus contamination. The SEDs are fitted using parametric dust models to determine the range of dust temperatures and emissivities. We find evidence for colder dust than has previously been found in external galaxies, with T < 20K. Such cold temperatures are found using both the standard single temperature dust model with variable emissivity beta, or a two dust temperature model with beta fixed at 2. We also compare our results to studies of distant submm galaxies (SMGs) which have been claimed to contain cooler dust than their local counterparts. We find that including our sample of 468 galaxies significantly reduces the distinction between the two populations. Fits to SEDs of selected objects using more sophisticated templates derived from radiative transfer models confirm the presence of the colder dust found through parametric fitting. We thus conclude that cold (T < 20K) dust is a significant and largely unexplored component of many nearby galaxies.

引用

页数：16

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