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  • BLAST: A Far-Infrared Measu...
    Pascale, Enzo; Ade, Peter A. R; Bock, James J; Chapin, Edward L; Devlin, Mark J; Dye, Simon; Eales, Steve A; Griffin, Matthew; Gundersen, Joshua O; Halpern, Mark; Hargrave, Peter C; Hughes, David H; Klein, Jeff; Marsden, Gaelen; Mauskopf, Philip; Moncelsi, Lorenzo; Ngo, Henry; Netterfield, Calvin B; Olmi, Luca; Patanchon, Guillaume; Rex, Marie; Scott, Douglas; Semisch, Christopher; Thomas, Nicholas; Truch, Matthew D. P; Tucker, Carole; Tucker, Gregory S; Viero, Marco P; Wiebe, Donald V

    Astrophysical journal/˜The œAstrophysical journal, 12/2009, Letnik: 707, Številka: 2
    Journal Article

    We directly measure redshift evolution in the mean physical properties (far-infrared luminosity, temperature, and mass) of the galaxies that produce the cosmic infrared background (CIB), using measurements from the Balloon-borne Large Aperture Submillimeter Telescope (BLAST), and Spitzer which constrain the CIB emission peak. This sample is known to produce a surface brightness in the BLAST bands consistent with the full CIB, and photometric redshifts are identified for all of the objects. We find that most of the 70 Delta *mm background is generated at z 1 and the 500 Delta *mm background generated at z 1. A significant growth is observed in the mean luminosity from ~109-1012 L, and in the mean temperature by 10 K, from redshifts 0 < z < 3. However, there is only weak positive evolution in the comoving dust mass in these galaxies across the same redshift range. We also measure the evolution of the far-infrared luminosity density, and the star formation rate history for these objects, finding good agreement with other infrared studies up to z ~ 1, exceeding the contribution attributed to optically selected galaxies.