Bibcode
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. Förster; 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.; Pérez-García, A. M. ; 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. Sánchez; Santini, P.; Sauvage, M.; Schulz, B.; Scott, D.; Seymour, N.; Shao, L.; Shupe, D. L. et al.
Referencia bibliográfica
Monthly Notices of the Royal Astronomical Society, Volume 409, Issue 1, pp. 75-82.
Fecha de publicación:
11
2010
Número de citas
155
Número de citas referidas
148
Descripción
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 ×
1010Lsolar appears to be 2-5K 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 (<~20K)
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.
Herschel is an ESA space observatory with science instruments provided
by European-led Principal Investigator consortia and with important
participation from NASA.
E-mail: hoseong.hwang [at] cea.fr (hoseong[dot]hwang[at]cea[dot]fr)
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Ismael
Pérez Fournon