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HerMES: SPIRE galaxy number counts at 250, 350, and 500 μ m

  • S. J. Oliver
  • , L. Wang
  • , A. J. Smith
  • , B. Altieri
  • , A. Amblard
  • , V. Arumugam
  • , R. Auld
  • , H. Aussel
  • , T. Babbedge
  • , A. Blain
  • , J. Bock
  • , A. Boselli
  • , V. Buat
  • , D. Burgarella
  • , N. Castro-Rodríguez
  • , A. Cava
  • , P. Chanial
  • , D. L. Clements
  • , A. Conley
  • , L. Conversi
  • A. Cooray, C. D. Dowell, E. Dwek, S. Eales, D. Elbaz, M. Fox, A. Franceschini, W. Gear, J. Glenn, M. Griffin, M. Halpern, E. Hatziminaoglou, E. Ibar, K. Isaak, R. J. Ivison, G. Lagache, L. Levenson, N. Lu, S. Madden, B. Maffei, G. Mainetti, L. Marchetti, K. Mitchell-Wynne, A. M.J. Mortier, H. T. Nguyen, B. O'Halloran, A. Omont, M. J. Page, P. Panuzzo, A. Papageorgiou, C. P. Pearson, I. Pérez-Fournon, M. Pohlen, J. I. Rawlings, G. Raymond, D. Rigopoulou, D. Rizzo, I. G. Roseboom, M. Rowan-Robinson, M. Sánchez Portal, R. Savage, B. Schulz, D. Scott, N. Seymour, D. L. Shupe, J. A. Stevens, M. Symeonidis, M. Trichas, K. E. Tugwell, M. Vaccari, E. Valiante, I. Valtchanov, J. D. Vieira, L. Vigroux, R. Ward, G. Wright, C. K. Xu, M. Zemcov
  • University of Sussex
  • European Space Astronomy Centre
  • University of California, Irvine
  • University of Edinburgh, Institute for Astronomy
  • Cardiff University
  • Université Paris Diderot
  • Imperial College London
  • California Institute of Technology
  • Jet Propulsion Laboratory
  • Laboratoire d'Astrophysique de Marseille
  • GTC Project
  • Universidad de la Laguna
  • University of Colorado Boulder
  • NASA Goddard Space Flight Center
  • University of Padova
  • University of British Columbia
  • ESO
  • Royal Observatory
  • Institut d'Astrophysique Spatiale
  • California Institute of Technology
  • University of Manchester
  • UPMC Univ. Paris 06
  • University College London
  • Rutherford Appleton Laboratory
  • University of Lethbridge
  • University of Oxford
  • University of Warwick
  • University of Hertfordshire

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

212 Citations (Scopus)

Abstract

Emission at far-infrared wavelengths makes up a significant fraction of the total light detected from galaxies over the age of Universe. Herschel provides an opportunity for studying galaxies at the peak wavelength of their emission. Our aim is to provide a benchmark for models of galaxy population evolution and to test pre-existing models of galaxies. With the Herschel Multi-tiered Extra-galactic survey, HerMES, we have observed a number of fields of different areas and sensitivity using the SPIRE instrument on Herschel. We have determined the number counts of galaxies down to ~20 mJy. Our constraints from directly counting galaxies are consistent with, though more precise than, estimates from the BLAST fluctuation analysis. We have found a steep rise in the Euclidean normalised counts <100 mJy. We have directly resolved ~15% of the infrared extra-galactic background at the wavelength near where it peaks.

Original languageEnglish
Article numberL21
JournalAstronomy and Astrophysics
Volume518
Issue number7-8
DOIs
Publication statusPublished - 16 Jul 2010
Externally publishedYes

Keywords

  • Galaxies: evolution
  • Submillimeter: galaxies
  • Surveys

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