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

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ID: 300104
2011
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Abstract
The Galaxy And Mass Assembly (GAMA) survey has been operating since February 2008 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 SDSS selected galaxies. The target catalogue constitutes three contiguous equatorial regions centred at 9h (G09), 12h (G12) and 14.5h (G15) each of 12 x 4 sq.deg to limiting fluxes of r < 19.4, r < 19.8, and r < 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 years, additional image analysis products (including ugrizYJHK photometry, Sersic 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 (February 2008 to April 2008); 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: http://www.gama-survey.org/
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Authors Simon P. Driver, David T. Hill, L. S. Kelvin, A. S. G. Robotham, J. Liske, P. Norberg, I. K. Baldry, S. P. Bamford, Andrew Hopkins, J. Loveday, J. A. Peacock, E. Andrae, Joss Bland‐Hawthorn, Sarah Brough, M. J. I. Brown, Ewan Cameron, J. H. Y. Ching, Matthew Colless, Christopher J. Conselice, S. M. Croom, N. J. G. Cross, R. De Pietri, S. Dye, M. J. Drinkwater, Simon Ellis, Alister W. Graham, Meiert W. Grootes, M. L. P. Gunawardhana, D. H. P. Jones, E. van Kampen, Claudia Maraston, R. C. Nichol, H. R. Parkinson, S. Phillipps, Kevin A. Pimbblet, C. C. Popescu, M. Prescott, I. G. Roseboom, E. M. Sadler, A. E. Sansom, R. Sharp, D. J. B. Smith, Edward N. Taylor, D. Thomas, Richard J. Tuffs, Dhanuska Wijesinghe, L. Dunne, Carlos S. Frenk, M. J. Jarvis, Barry F. Madore, M. Meyer, Mark Seibert, L. Staveley‐Smith, William J. Sutherland, S. J. Warren
Journal monthly notices of the royal astronomical society
Year 2011
DOI
10.1111/j.1365-2966.2010.18188.x
URL
https://academic.oup.com/mnras/article-pdf/413/2/971/18586750/mnras0413-0971.pdf
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