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Title: Evolution of dust temperature of galaxies through cosmic time as seen by Herschel
Authors: Magdis, G.
Daddi, E.
Symeonidis, M.
Altieri, B.
Amblard, A.
Andreani, P.
Arumugam, V.
Auld, R.
Aussel, H.
Smith, A. J.
Pearson, C. P.
Perez-Fournon, I.
Perez Garcia A. M.
Poglitsch, A.
Pohlen, M.
Riguccini, L.
Popesso, P.
Pozzi, F.
Rawlings, J. I.
Rigopoulou, D.
Saintonge, A.
Rizzo, D.
Rodighiero, G.
Roseboom, I. G.
Rowan-Robinson, M.
Sanchez Portal M.
Santini, P.
Sauvage, M.
Schulz, B.
Stevens, J. A.
Scott, D.
Seymour, N.
Shao, L.
Shupe, D. L.
Vaccari, M.
Sturm, E.
Tacconi, L.
Trichas, M.
Tugwell, K. E.
Valtchanov, I.
Vieira, J. D.
Vigroux, L.
Babbedge, T.
Wang, L.
Ward, R.
Wright, G.
Xu, CK.
Zemcov, M.
Boselli, A.
Berta, S.
Blain, A.
Bock, J.
Bongiovanni, A.
Buat, V.
Burgarella, D.
Castro-Rodriguez, N.
Cava, A.
Cepa, J.
Chanial, P.
Chapin, E.
Chary, R-R.
Cimatti, A.
Dannerbauer, H.
Clements, D. L.
Conley, A.
Conversi, L.
Cooray, A.
Dickinson, M.
Dominguez, H.
Dowell, CD.
Dunlop, J. S.
Dwek, E.
Eales, S.
Farrah, D.
Schreiber, N. F.
Fox, M.
Griffin, M.
Franceschini, A.
Gear, W.
Genzel, R.
Glenn, J.
Gruppioni, C.
Halpern, M.
Hatziminaoglou, E.
Ibar, E.
Isaak, K.
Ivison, R. J.
Jeong, W-S.
Lagache, G.
Le Borgne D.
Levenson, L.
Le Floc'h E.
Lee, H. M.
Lee, JC.
Lee, MG.
Lu, N.
Lutz, D.
Madden, S.
Maffei, B.
Magnelli, B.
Mainetti, G.
Maiolino, R.
Marchetti, L.
Mortier, A. M. J.
Oliver, SJ.
Nguyen, H. T.
Nordon, R.
O'Halloran, B.
Okumura, K.
Omont, A.
Page, M. J.
Panuzzo, P.
Papageorgiou, A.
First Published: 21-Nov-2010
Publisher: Oxford University Press (OUP)
Citation: Monthly Notices of the Royal Astronomical Society , 2010, 409 (1), pp. 75-82
Abstract: We study the dust properties of galaxies in the redshift range 0.1 ≲z≲ 2.8 observed by the Herschel Space Observatory in the field of the Great Observatories Origins Deep Survey-North as part of the PACS Extragalactic Probe (PEP) and Herschel Multi-tiered Extragalactic Survey (HerMES) key programmes. Infrared (IR) luminosity (LIR) and dust temperature (Tdust) of galaxies are derived from the spectral energy distribution fit of the far-IR (FIR) flux densities obtained with the PACS and SPIRE instruments onboard Herschel. As a reference sample, we also obtain IR luminosities and dust temperatures of local galaxies at z < 0.1 using AKARI and IRAS data in the field of the Sloan Digital Sky Survey. We compare the LIR–Tdust relation between the two samples and find that the median Tdust of Herschel-selected galaxies at z≳ 0.5 with LIR≳ 5 × 1010 L⊙ appears to be 2–5 K colder than that of AKARI-selected local galaxies with similar luminosities, and the dispersion in Tdust for high-z galaxies increases with LIR due to the existence of cold galaxies that are not seen among local galaxies. We show that this large dispersion of the LIR−Tdust relation can bridge the gap between local star-forming galaxies and high-z submillimetre galaxies (SMGs). We also find that three SMGs with very low Tdust (≲20 K) covered in this study have close neighbouring sources with similar 24-μm brightness, which could lead to an overestimation of FIR/(sub)millimetre fluxes of the SMGs.
DOI Link: 10.1111/j.1365-2966.2010.17645.x
ISSN: 0035-8711
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2010 the authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. Deposited with reference to the publisher’s archiving policy available on the SHERPA/RoMEO website.
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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