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        The environment and characteristics of low-redshift galaxies detected by the Herschel-ATLAS

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        Author
        Dariush, A.
        Cortese, L.
        Eales, S.
        Pascale, E.
        Smith, M. W. L.
        Dunne, L.
        Dye, S.
        Scott, D.
        Auld, R.
        Baes, M.
        Bland-Hawthorn, J.
        Buttiglione, S.
        Cava, A.
        Clements, D. L.
        Cooray, A.
        Dezotti, G.
        Driver, S.
        Fritz, J.
        Gomez, H.L.
        Hopkins, A.
        Hopwood, R.
        Ivison, R.J.
        Jarvis, M.J.
        Jones, D. H.
        Kelvin, L.
        Khosroshahi, H. G.
        Liske, J.
        Loveday, J.
        Maddox, S.
        Madore, B. F.
        Michalowski, M. J.
        Norberg, P.
        Phillipps, S.
        Pohlen, M.
        Popescu, C. C.
        Prescott, M.
        Rigby, E.
        Robotham, A.
        Rodighiero, G.
        Seibert, M.
        Smith, Daniel
        Temi, P.
        Tuffs, R. J.
        van der Werf, P.
        Attention
        2299/7290
        Abstract
        We investigate the ultraviolet and optical properties and environment of low-redshift galaxies detected in the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) science demonstration data. We use the Sloan Digital Sky Survey seventh release and the Galaxy and Mass Assembly data base to select galaxies with mag in the redshift range 0.02=z=0.2 and look for their submillimetre counterparts in H-ATLAS. Our results show that at low redshift, H-ATLAS detects mainly blue/star-forming galaxies with a minor contribution from red systems which are highly obscured by dust. In addition we find that the colour of a galaxy rather than the local density of its environment determines whether it is detectable by H-ATLAS. The average dust temperature of galaxies that are simultaneously detected by both PACS and SPIRE is 25 +/- 4K, independent of environment. This analysis provides a glimpse of the potential of the H-ATLAS data to investigate the submillimetre properties of galaxies in the local universe.
        Publication date
        2011-11-01
        Published in
        Monthly Notices of the Royal Astronomical Society
        Published version
        https://doi.org/10.1111/j.1365-2966.2011.19340.x
        Other links
        http://hdl.handle.net/2299/7290
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