Galaxy And Mass Assembly (GAMA): the G02 field, Herschel-ATLAS target selection and Data Release 3
Baldry, I. K. · Liske, J. · Brown, M. J. I. · Robotham, A. S. G. · Driver, S. P. · Dunne, L. · Alpaslan, M. · Brough, S. · Cluver, M. E. · Eardley, E. · Farrow, D. J. · Heymans, C. · Hildebrandt, H. · Hopkins, A. M. · Kelvin, L. S. · Loveday, J. · Moffett, A. J. · Norberg, P. · Owers, M. S. · Taylor, E. N. · Wright, A. H. · Bamford, S. P. · Bland-Hawthorn, J. · Bourne, N. · Bremer, M. N. · Colless, M. · Conselice, C. J. · Croom, S. M. · Davies, L. J. M. · Foster, C. · Grootes, M. W. · Holwerda, B. W. · Jones, D. H. · Kafle, P. R. · Kuijken, K. · Lara-Lopez, M. A. · Lopez-Sanchez, A. R. · Meyer, M. J. · Phillipps, S. · Sutherland, W. J. · van Kampen, E. · Wilkins, S. M.
الأصل · EN
We describe data release 3 (DR3) of the Galaxy And Mass Assembly (GAMA) survey. The GAMA survey is a spectroscopic redshift and multi-wavelength photometric survey in three equatorial regions each of 60.0 deg² (G09, G12, G15), and two southern regions of 55.7 deg² (G02) and 50.6 deg² (G23). DR3 consists of: the first release of data covering the G02 region and of data on H-ATLAS sources in the equatorial regions; and updates to data on sources released in DR2. DR3 includes 154809 sources with secure redshifts across four regions. A subset of the G02 region is 95.5% redshift complete to r<19.8 over an area of 19.5 deg², with 20086 galaxy redshifts, that overlaps substantially with the XXL survey (X-ray) and VIPERS (redshift survey). In the equatorial regions, the main survey has even higher completeness (98.5%), and spectra for about 75% of H-ATLAS filler targets were also obtained. This filler sample extends spectroscopic redshifts, for probable optical counterparts to H-ATLAS sub-mm sources, to 0.8 mag deeper (r<20.6) than the GAMA main survey. There are 25814 galaxy redshifts for H-ATLAS sources from the GAMA main or filler surveys. GAMA DR3 is available at the survey website (www.gama-survey.org/dr3/).
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