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Paper   IPM / M / 12422
School of Astronomy
  Title:   The environment and characteristics of low redshift galaxies detected by the Herschel-ATLAS
1.  A. Dariush
2.  L. Cortese
3.  S. Eales
4.  E. Pascale
5.  M. W. L. Smith
6.  L. Dunne
7.  S. Dye
8.  D. Scott
9.  R. Auld
10.  M. Baes
11.  J. Bland-Hawthorn
12.  S. Buttiglione
13.  A. Cava
14.  D.L. Clements
15.  A. Cooray
16.  G. DeZotti
17.  S. Driver
18.  J. Fritz
19.  H.L. Gomez
20.  A. Hopkins
21.  R. Hopwood
22.  R.J. Ivison
23.  M.J. Jarvis
24.  D.H. Jones
25.  L. Kelvin
26.  H. G. Khosroshahi
27.  J. Liske
28.  J. Loveday
29.  S. Maddox
30.  M.J. Michałowski
31.  P. Norberg
32.  S. Phillipps
33.  M. Pohlen
34.  C.C. Popescu
35.  A.S.G. Robotham
36.  G. Rodighiero
37.  M. Prescott
38.  E. Rigby
39.  M. Seibert
40.  D.J.B. Smith
41.  P. Temi
42.  R.J. Tuffs
43.  P. van der Werf
  Status:   Published
  Journal: MNRAS
  No.:  418
  Year:  2011
  Pages:   64-73
  Supported by:            IPM IPM
We investigate the ultraviolet and optical properties and environment of low-red shift 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 rpetro≤ 19.0 mag in the red shit range 0.02 ≤ z ≤ 0.2 and look for their sub millimeter counterparts in H-ATLAS. Our results show that at low red shift, 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 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�4 k, independent of environment. This analysis provides a glimpse of the potential of the H-ATLAS data to investigate the sub milli metre properties of galaxies in the local universe.

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