Galaxy And Mass Assembly: the G02 field, Herschel–ATLAS target selection and data release 3

Baldry, I.K. and Liske, J. and Brown, M.J.I. and Robotham, A.S.G. and Driver, S.P. and Dunne, L. and Alpaslan, M. and Brough, S. and Cluver, M.E. and Eardley, E. and Farrow, D.J. and Heymans, C. and Hildebrandt, H. and Hopkins, A.M. and Kelvin, L.S. and Loveday, J. and Moffett, A.J. and Norberg, P. and Owers, M.S. and Taylor, E.N. and Wright, A.H. and Bamford, S.P. and Bland-Hawthorn, J. and Bourne, N. and Bremer, M.N. and Colless, M. and Conselice, Christopher J. and Croom, S.M. and Davies, L.J.M. and Foster, C. and Grootes, M.W. and Holwerda, B.W. and Jones, D.H. and Kafle, P.R. and Kuijken, K. and Lara-Lopez, M.A. and López-Sánchez, Á.R. and Meyer, M.J. and Phillipps, S. and Sutherland, W.J. and van Kampen, E. and Wilkins, S.M. (2018) Galaxy And Mass Assembly: the G02 field, Herschel–ATLAS target selection and data release 3. Monthly Notices of the Royal Astronomical Society, 474 (3). pp. 3875-3888. ISSN 1365-2966

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We describe data release 3 (DR3) of the Galaxy And Mass Assembly (GAMA) survey. The GAMA survey is a spectroscopic redshift and multiwavelength photometric survey in three equatorial regions each of 60.0 deg2 (G09, G12, and 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 (Herschel – Astrophysical Terahertz Large Area Survey) sources in the equatorial regions; and updates to data on sources released in DR2. DR3 includes 154 809 sources with secure redshifts across four regions. A subset of the G02 region is 95.5 per cent redshift complete to r<19.8 mag over an area of 19.5 deg2, with 20 086 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 per cent), and spectra for about 75 per cent of H-ATLAS filler targets were also obtained. This filler sample extends spectroscopic redshifts, for probable optical counterparts to H-ATLAS submillimetre sources, to 0.8 mag deeper (r<20.6 mag) than the GAMA main survey. There are 25 814 galaxy redshifts for H-ATLAS sources from the GAMA main or filler surveys. GAMA DR3 is available at the survey website (

Item Type: Article
Keywords: catalogues ; surveys ; galaxies: distances and redshifts ; galaxies: photometry
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number: 10.1093/mnras/stx3042
Depositing User: Bamford, Steven
Date Deposited: 04 Jan 2018 11:41
Last Modified: 24 Jan 2018 01:15

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