The deepest Herschel-PACS far-infrared survey: number counts and infrared luminosity functions from combined PEP/GOODS-H observations - Archive ouverte HAL Access content directly
Journal Articles Astronomy and Astrophysics - A&A Year : 2013

The deepest Herschel-PACS far-infrared survey: number counts and infrared luminosity functions from combined PEP/GOODS-H observations

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B. Magnelli
P. Popesso
  • Function : Author
S. Berta
F. Pozzi
  • Function : Author
D. Elbaz
  • Function : Author
D. Lutz
M. Dickinson
B. Altieri
P. Andreani
H. Aussel
M. Béthermin
A. Bongiovanni
  • Function : Author
J. Cepa
  • Function : Author
R.-R. Chary
  • Function : Author
Alessandro Cimatti
  • Function : Author
Emanuele Daddi
  • Function : Author
  • PersonId : 837613
N. M. Förster Schreiber
  • Function : Author
R. Genzel
C. Gruppioni
  • Function : Author
M. Harwit
  • Function : Author
H. S. Hwang
  • Function : Author
R. J. Ivison
  • Function : Author
G. Magdis
  • Function : Author
R. Maiolino
  • Function : Author
E. Murphy
  • Function : Author
R. Nordon
  • Function : Author
M. Pannella
A. Pérez García
  • Function : Author
A. Poglitsch
  • Function : Author
D. Rosario
  • Function : Author
M. Sanchez-Portal
  • Function : Author
P. Santini
  • Function : Author
D. Scott
  • Function : Author
E. Sturm
L. J. Tacconi
  • Function : Author
I. Valtchanov
  • Function : Author

Abstract

We present results from the deepest Herschel-Photodetector Array Camera and Spectrometer (PACS) far-infrared blank field extragalactic survey, obtained by combining observations of the Great Observatories Origins Deep Survey (GOODS) fields from the PACS Evolutionary Probe (PEP) and GOODS-Herschel key programmes. We describe data reduction and theconstruction of images and catalogues. In the deepest parts of the GOODS-S field, the catalogues reach 3σ depths of 0.9, 0.6 and 1.3 mJy at 70, 100 and 160 μm, respectively, and resolve ~75% of the cosmic infrared background at 100 μm and 160 μm into individually detected sources. We use these data to estimate the PACS confusion noise, to derive the PACS number counts down to unprecedented depths, and to determine the infrared luminosity function of galaxies down to LIR = 1011 L⊙ at z ~ 1 and LIR = 1012 L⊙ at z ~ 2, respectively. For the infrared luminosity function of galaxies, our deep Herschel far-infrared observations are fundamental because they provide more accurate infrared luminosity estimates than those previously obtained from mid-infrared observations. Maps and source catalogues (>3σ) are now publicly released. Combined with the large wealth of multi-wavelength data available for the GOODS fields, these data provide a powerful new tool for studying galaxy evolution over a broad range of redshifts.
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Dates and versions

hal-01094470 , version 1 (12-12-2014)

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Cite

B. Magnelli, P. Popesso, S. Berta, F. Pozzi, D. Elbaz, et al.. The deepest Herschel-PACS far-infrared survey: number counts and infrared luminosity functions from combined PEP/GOODS-H observations. Astronomy and Astrophysics - A&A, 2013, 553, pp.A132. ⟨10.1051/0004-6361/201321371⟩. ⟨hal-01094470⟩

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