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

Jochen Liske, I.K. Baldry, Simon Peter Driver, R.J. Tuffs, Mehmet Alpaslan, E. Andrae, S. Brough, M.E. Cluver, M.W. Grootes, M.L.P. Gunawardhana, Lee Steven Kelvin, J. Loveday, Aaron Stuart Graham Robotham, E.N. Taylor, S.P. Bamford, J. Bland-Hawthorn, M.J.I. Brown, M.J. Drinkwater, A.M. Hopkins, M.J. 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, L.J.M. 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, P.R. Kafle, C.G. Lacey, R. Lange, M.A. Lara-Ĺopez, Á.R. López-Sánchez, S. Maddox, B.F. Madore, T. McNaught-Roberts, A.J. 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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Abstract

The Galaxy And Mass Assembly (GAMA) survey is one of the largest contemporary spectroscopic surveys of low redshift 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 of GAMA data. 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 http://www.gama-survey.org/.

Original languageEnglish
Pages (from-to)2087-2126
Number of pages40
JournalMonthly Notices of the Royal Astronomical Society
Volume452
Issue number2
Early online date21 Jul 2015
DOIs
Publication statusPublished - 11 Sept 2015

Keywords

  • Surveys
  • Galaxies: distances and redshifts
  • Galaxies: fundamental parameters
  • Galaxies: general
  • Galaxies: photometry
  • Galaxies: statistics

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  • GAMA Data Release 2

    Liske, J. (Creator), Baldry, I. K. (Creator), Driver, S. P. (Creator), Tuffs, R. J. (Creator), Alpaslan, M. (Creator), Andrae, E. (Creator), Brough, S. (Creator), Cluver, M. E. (Creator), Grootes, M. W. (Creator), Gunawardhana, M. L. P. (Creator), Kelvin, L. S. (Creator), Loveday, J. (Creator), Robotham, A. S. G. (Creator), Bamford, S. P. (Creator), Bland-Hawthorn, J. (Creator), Brown, M. J. I. (Creator), Drinkwater, M. J. (Creator), Hopkins, A. M. (Creator), Meyer, M. J. (Creator), Norberg, P. (Creator), Peacock, J. A. (Creator), Agius, N. K. (Creator), Andrews, S. K. (Creator), Bauer, A. E. (Creator), Ching, J. H. Y. (Creator), Colles, M. (Creator), Conselice, C. J. (Creator), Croom, S. M. (Creator), Davies, L. J. M. (Creator), De Propris, R. (Creator), Dunne, L. (Creator), Eardley, E. M. (Creator), Ellis, S. (Creator), Foster, C. (Creator), Frenk, C. S. (Creator), Haußler, B. (Creator), Holwerda, B. W. (Creator), Howlett, C. (Creator), Ibarra, H. (Creator), Jarvis, M. J. (Creator), Jones, D. H. (Creator), Kafle, P. R. (Creator), Lacey, C. G. (Creator), Lange, R. (Creator), Lara-Ĺopez, M. A. (Creator), López-Sánchez, Á. R. (Creator), Maddox, S. (Creator), Madore, B. F. (Creator), McNaught-Roberts, T. (Creator), Moffett, A. J. (Creator), Nichol, R. C. (Creator), Owers, M. S. (Creator), Palamara, D. (Creator), Penny, S. J. (Creator), Phillipps, S. (Creator), Pimbblet, K. A. (Creator), Popescu, C. C. (Creator), Prescott, M. (Creator), Proctor, R. (Creator), Sadler, E. M. (Creator), Sansom, A. E. (Creator), Seibert, M. (Creator), Sharp, R. (Creator), Sutherland, W. (Creator), Vazquez-Mata, J. A. (Creator), van Kampen, E. (Creator), Wilkins, S. M. (Creator), Williams, R. (Creator) & Wright, A. H. (Creator), Galaxy And Mass Assembly (GAMA), 11 Sept 2015

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