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

A. Dariush*, L. Cortese, S. Eales, E. Pascale, M. W L Smith, L. Dunne, S. Dye, D. Scott, R. Auld, M. Baes, J. Bland-Hawthorn, S. Buttiglione, A. Cava, D. L. Clements, A. Cooray, G. Dezotti, S. Driver, J. Fritz, H. L. Gomez, A. HopkinsR. Hopwood, R. J. Ivison, M. J. Jarvis, D. H. Jones, L. Kelvin, H. G. Khosroshahi, J. Liske, J. Loveday, S. Maddox, B. F. Madore, M. J. Michalowski, P. Norberg, S. Phillipps, M. Pohlen, C. C. Popescu, M. Prescott, E. Rigby, A. Robotham, G. Rodighiero, M. Seibert, D. J B Smith, P. Temi, R. J. Tuffs, P. P. van der Werf

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)64-73
Number of pages10
JournalMonthly Notices of the Royal Astronomical Society
Issue number1
Publication statusPublished - Nov 2011
Externally publishedYes


  • Galaxies: general
  • Galaxies: statistics
  • Methods: data analysis
  • Submillimetre: galaxies
  • Submillimetre: general


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