Galaxy and Mass Assembly (GAMA): survey diagnostics and core data release

Simon P. Driver, David T. Hill, Lee S. Kelvin, Aaron S. G. Robotham, Jochen Liske, Peder Norberg, Ivan K. Baldry, Steven P. Bamford, Andrew M. Hopkins, Jon Loveday, John A. Peacock, Ellen Andrae, Joss Bland-Hawthorn, Sarah Brough, Michael J. I. Brown, Ewan Cameron, J. H. Y. Ching, Matthew Colless, Christopher J. Conselice, Scott M. CroomNicholas J. G. Cross, Roberto De Propris, Simon Dye, Michael J. Drinkwater, S. Ellis, Alister W. Graham, M. W. Grootes, M. L. P. Gunawardhana, David Heath Jones, Eelco Van Kampen, Claudia Maraston, Robert C. Nichol, Hannah R. Parkinson, Steven Phillipps, Kevin A. Pimbblet, Cristina C. Popescu, Matthew Prescott, Isaac G. Roseboom, E. M. Sadler, A. E. Sansom, Robert G. Sharp, Daniel J. B. Smith, Edward N. Taylor, Daniel Thomas, Richard J. Tuffs, D. B. Wijesinghe, L. Dunne, Carlos S. Frenk, Matt J. Jarvis, Barry F. Madore, M. J. Meyer, Mark Seibert, Lister Staveley-Smith, Will J. Sutherland, Stephen J. Warren

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The Galaxy and Mass Assembly (GAMA) survey has been operating since 2008 February on the 3.9-m Anglo-Australian Telescope using the AAOmega fibre-fed spectrograph facility to acquire spectra with a resolution of R≈ 1300 for 120 862 Sloan Digital Sky Survey selected galaxies. The target catalogue constitutes three contiguous equatorial regions centred at 9h (G09), 12h (G12) and 14.5h (G15) each of 12 × 4 deg2 to limiting fluxes of rpet < 19.4, rpet < 19.8 and rpet < 19.4 mag, respectively (and additional limits at other wavelengths). Spectra and reliable redshifts have been acquired for over 98 per cent of the galaxies within these limits. Here we present the survey footprint, progression, data reduction, redshifting, re-redshifting, an assessment of data quality after 3 yr, additional image analysis products (including ugrizYJHK photometry, Sérsic profiles and photometric redshifts), observing mask and construction of our core survey catalogue (GamaCore). From this we create three science-ready catalogues: GamaCoreDR1 for public release, which includes data acquired during year 1 of operations within specified magnitude limits (2008 February to April); GamaCoreMainSurvey containing all data above our survey limits for use by the GAMA Team and collaborators; and GamaCoreAtlasSV containing year 1, 2 and 3 data matched to Herschel-ATLAS science demonstration data. These catalogues along with the associated spectra, stamps and profiles can be accessed via the GAMA website:
Original languageEnglish
Pages (from-to)971-995
JournalMonthly Notices of the Royal Astronomical Society
Issue number2
Early online date11 May 2011
Publication statusPublished - 2011


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