The environment and characteristics of low-redshift galaxies detected by the Herschel-ATLAS
- Dariush, A
- Cortese, L
- Eales, S
- Pascale, E
- Smith, MWL
- Dunne, L
- Dye, S
- Scott, D
- Auld, R
- Baes, Maarten
- Bland-Hawthorn, J
- Buttiglione, S
- Cava, A
- Clements, DL
- Cooray, A
- DeZotti, G
- Driver, S
- Fritz, Jacopo
- Gomez, HL
- Hopkins, A
- Hopwood, R
- Ivison, RJ
- Jarvis, MJ
- Jones, DH
- Kelvin, L
- Khosroshahi, HG
- Liske, J
- Loveday, J
- Maddox, S
- Madore, BF
- Michalowski, MJ
- Norberg, P
- Phillipps, S
- Pohlen, M
- Popescu, CC
- Prescott, M
- Rigby, E
- Robotham, A
- Rodighiero, G
- Seibert, M
- Smith, DJB
- Temi, P
- Tuffs, RJ
- van der Werf, PP
DOIAbstract
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 tem...
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