articleMonthly Notices of the Royal Astronomical SocietyOct 26, 2010BRONZE OA

Extragalactic background light inferred from AEGIS galaxy-SED-type fractions

ADA. DomínguezJRJ. R. PrimackDJD. J. RosarioFPF. PradaRCR. C. Gilmore

University of California, Santa Cruz · Instituto de Astrofísica de Andalucía · +9 more institutions

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Abstract

The extragalactic background light (EBL) is of fundamental importance both for understanding the entire process of galaxy evolution and for -ray astronomy, but the overall spectrum of the EBL between 0.1 and 1000 m has never been determined directly from galaxy spectral energy distribution (SED) observations over a wide redshift range. The evolving, overall spectrum of the EBL is derived here utilizing a novel method based on observations only. This is achieved from the observed evolution of the rest-frame K-band galaxy luminosity function up to redshift 4, combined with a determination of galaxy-SED-type fractions. These are based on fitting Spitzer Wide-Area Infrared Extragalactic Survey (SWIRE) templates to…

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Authors

18
  • AD
    A. DomínguezCorresponding
  • JR
    J. R. Primack
  • DJ
    D. J. Rosario

    University of California, Santa Cruz

  • FP
    F. Prada

    Instituto de Astrofísica de Andalucía

  • RC
    R. C. Gilmore

Topics & keywords

Topics
Keywords
  • Redshift
  • Galaxy
  • Extragalactic background light
  • Luminosity
  • Active galactic nucleus
  • Galaxy formation and evolution
  • Luminous infrared galaxy
  • Spectral energy distribution
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