Galaxy and mass assembly (GAMA): End of survey report and data release 2

J. Liske, I.K. Baldry, Simon Driver, R.J. Tuffs, M. Alpaslan, E. Andrae, S. Brough, M.E. Cluver, M.W. Grootes, M.L.P. Gunawardhana, L.S. Kelvin, J. Loveday, Aaron Robotham, E.N. Taylor, S.P. Bamford, J. Bland-Hawthorn, M.J.I. Brown, M.J. Drinkwater, A.M. Hopkins, Martin MeyerP. Norberg, J.A. Peacock, N.K. Agius, S.K. Andrews, A.E. Bauer, J.H.Y. Ching, M. Colless, C.J. Conselice, S.M. Croom, Luke Davies, R. De Propris, L. Dunne, E.M. Eardley, S. Ellis, C. Foster, C.S. Frenk, B. Haußler, B.W. Holwerda, C. Howlett, H. Ibarra, M.J. Jarvis, D.H. Jones, Prajwal Kafle, C.G. Lacey, Rebecca Lange, M.A. Lara-Ĺopez, R. López-Sánchez, S. Maddox, B.F. Madore, T. Mcnaught-Roberts, Amanda Moffett, R.C. Nichol, M.S. Owers, D. Palamara, S.J. Penny, S. Phillipps, K.A. Pimbblet, C.C. Popescu, M. Prescott, R. Proctor, E.M. Sadler, A.E. Sansom, M. Seibert, R. Sharp, W. Sutherland, J.A. Vazquez-Mata, E. Van Kampen, S.M. Wilkins, R. Williams, A.H. Wright

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© 2015 The Authors. The Galaxy And Mass Assembly (GAMA) survey is one of the largest contemporary spectroscopic surveys of lowredshift galaxies. Covering an area of ~286 deg2 (split among five survey regions) down to a limiting magnitude of r <19.8 mag, we have collected spectra and reliable redshifts for 238 000 objects using the AAOmega spectrograph on the Anglo-Australian Telescope. In addition, we have assembled imaging data from a number of independent surveys in order to generate photometry spanning the wavelength range 1 nm-1 m. Here, we report on the recently completed spectroscopic survey and present a series of diagnostics to assess its final state and the quality of the redshift data. We also describe a number of survey aspects and procedures, or updates thereof, including changes to the input catalogue, redshifting and re-redshifting, and the derivation of ultraviolet, optical and near-infrared photometry. Finally, we present the second public release ofGAMAdata. In this release, we provide input catalogue and targeting information, spectra, redshifts, ultraviolet, optical and near-infrared photometry, single-component Śersic fits, stellar masses, Hα-derived star formation rates, environment information, and group properties for all galaxies with r <19.0 mag in two of our survey regions, and for all galaxies with r <19.4 mag in a third region (72 225 objects in total). The data base serving these data is available at
Original languageEnglish
Pages (from-to)2087-2126
JournalMonthly Notices of the Royal Astronomical Society
Issue number2
Early online date21 Jul 2015
Publication statusPublished - 11 Sep 2015


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