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Evolution of dust temperature of galaxies through cosmic time as seen by Herschel

Hwang, H. S. and Blain, A. and Bock, J. and Chary, R.-R. and Cooray, A. and Dowell, C. D. and Levenson, L. and Lu, N. and Nguyen, H. T. and Schulz, B. and Shupe, D. L. and Vieira, J. D. and Xu, C. K. and Zemcov, M. (2010) Evolution of dust temperature of galaxies through cosmic time as seen by Herschel. Monthly Notices of the Royal Astronomical Society, 409 (1). pp. 75-82. ISSN 0035-8711. http://resolver.caltech.edu/CaltechAUTHORS:20110103-110253076

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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 (L_(IR)) and dust temperature (T_dust) 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 L_(IR)–T_dust relation between the two samples and find that the median Tdust of Herschel-selected galaxies at z ≳ 0.5 with L_(IR) ≳ 5 × 10^(10) L_⊙ appears to be 2–5 K colder than that of AKARI-selected local galaxies with similar luminosities, and the dispersion in T_dust for high-z galaxies increases with L_(IR) due to the existence of cold galaxies that are not seen among local galaxies. We show that this large dispersion of the L_(IR)−T_dust 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 T_dust (≲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.


Item Type:Article
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http://dx.doi.org/10.1111/j.1365-2966.2010.17645.xDOIUNSPECIFIED
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2966.2010.17645.x/abstractPublisherUNSPECIFIED
Additional Information:© 2010 The Authors. Journal compilation © 2010 RAS. Accepted 2010 September 3. Received 2010 July 26. Article first published online: 25 Oct. 2010. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA. PACS has been developed by a consortium of institutes led by MPE (Germany) and including UVIE (Austria); KU Leuven, CSL, IMEC (Belgium); CEA, LAM (France); MPIA (Germany); INAFIFSI/OAA/OAP/OAT, LENS, SISSA (Italy) and IAC (Spain). This development has been supported by the funding agencies BMVIT (Austria), ESA-PRODEX (Belgium), CEA/CNES (France), DLR (Germany), ASI/INAF (Italy) and CICYT/MCYT (Spain). SPIRE has been developed by a consortium of institutes led by Cardiff University (UK) and including University of Lethbridge (Canada); NAOC (China); CEA, LAM (France); IFSI, University of Padua (Italy); IAC (Spain); SNSB (Sweden); Imperial College London, RAL, UCL-MSSL, UKATC, Univ. Sussex (UK) and Caltech, JPL, NHSC, University of Colorado (USA). This development has been supported by national funding agencies: CSA (Canada); NAOC (China); CEA, CNES, CNRS (France); ASI (Italy); MCINN (Spain); Stockholm Observatory (Sweden); STFC (UK) and NASA (USA). The HerMES data were accessed through the HeDaM data base (http://hedam.oamp.fr) operated by CeSAM and hosted by the Laboratoire d’Astrophysique de Marseille. This research is based on observations with AKARI, a JAXA project with the participation of ESA. MGL was supported by a National Research Foundation of Korea (NRF) grant funded by the Korea Government (MEST) (grant no. R01-2007-000-20336-0).
Group:TAPIR
Funders:
Funding AgencyGrant Number
Bundesministerium für Verkehr, Innovation und Technologie (BMVIT) (Austria)UNSPECIFIED
European Space Agency (ESA) PROgramme for the Development of scientific Experiments (PRODEX) (Belgium)UNSPECIFIED
Commissariat à l’Energie Atomique/Centre National d'Études Spatiales (CEA/CNES) (France)UNSPECIFIED
Deutsches Zentrum für Luft- und Raumfahrt (DLR) (Germany)UNSPECIFIED
Agenzia Spaziale Italiana/Istituto Nazionale di Astrofisica (ASI/INAF) (Italy)UNSPECIFIED
Comisión Interministerial de Ciencia y Tecnología/Ministerio de Ciencia Y Tecnologia (CICT/MCYT) (Spain)UNSPECIFIED
Canadian Space Agency (CSA) UNSPECIFIED
National Astronomical Observatories, Chinese Academy of Sciences (NAOC) UNSPECIFIED
Laboratoire d'Astrophysique de Marseille (LAM) (France)UNSPECIFIED
Ministerio de Ciencia e Innovación (MCINN) (Spain)UNSPECIFIED
Stockholm Observatory (Sweden)UNSPECIFIED
Science and Technology Facilities Council (STFC) (UK)UNSPECIFIED
NASAUNSPECIFIED
National Research Foundation of Korea (NRF)R01-2007-000-20336-0
Korea Government (MEST)R01-2007-000-20336-0
Subject Keywords:galaxies: evolution; galaxies: formation; galaxies: general; galaxies: highredshift; galaxies: starburst; infrared: galaxies
Record Number:CaltechAUTHORS:20110103-110253076
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20110103-110253076
Official Citation:Hwang, H. S., Elbaz, D., Magdis, G., Daddi, E., Symeonidis, M., Altieri, B., Amblard, A., Andreani, P., Arumugam, V., Auld, R., Aussel, H., Babbedge, T., Berta, S., Blain, A., Bock, J., Bongiovanni, A., Boselli, A., Buat, V., Burgarella, D., Castro-Rodríguez, N., Cava, A., Cepa, J., Chanial, P., Chapin, E., Chary, R.-R., Cimatti, A., Clements, D. L., Conley, A., Conversi, L., Cooray, A., Dannerbauer, H., Dickinson, M., Dominguez, H., Dowell, C. D., Dunlop, J. S., Dwek, E., Eales, S., Farrah, D., Schreiber, N. F., Fox, M., Franceschini, A., Gear, W., Genzel, R., Glenn, J., Griffin, M., Gruppioni, C., Halpern, M., Hatziminaoglou, E., Ibar, E., Isaak, K., Ivison, R. J., Jeong, W.-S., Lagache, G., Le Borgne, D., Le Floc’h, E., Lee, H. M., Lee, J. C., Lee, M. G., Levenson, L., Lu, N., Lutz, D., Madden, S., Maffei, B., Magnelli, B., Mainetti, G., Maiolino, R., Marchetti, L., Mortier, A. M. J., Nguyen, H. T., Nordon, R., O’Halloran, B., Okumura, K., Oliver, S. J., Omont, A., Page, M. J., Panuzzo, P., Papageorgiou, A., Pearson, C. P., Pérez-Fournon, I., García, A. M. P., Poglitsch, A., Pohlen, M., Popesso, P., Pozzi, F., Rawlings, J. I., Rigopoulou, D., Riguccini, L., Rizzo, D., Rodighiero, G., Roseboom, I. G., Rowan-Robinson, M., Saintonge, A., Portal, M. S., Santini, P., Sauvage, M., Schulz, B., Scott, D., Seymour, N., Shao, L., Shupe, D. L., Smith, A. J., Stevens, J. A., Sturm, E., Tacconi, L., Trichas, M., Tugwell, K. E., Vaccari, M., Valtchanov, I., Vieira, J. D., Vigroux, L., Wang, L., Ward, R., Wright, G., Xu, C. K. and Zemcov, M. (2010), Evolution of dust temperature of galaxies through cosmic time as seen by Herschel. Monthly Notices of the Royal Astronomical Society, 409: 75–82. doi: 10.1111/j.1365-2966.2010.17645.x
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ID Code:21541
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:04 Jan 2011 21:17
Last Modified:23 Dec 2013 23:08

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