Galaxy and mass assembly (GAMA) : end of survey report and data release 2
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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/.
Liske , J , Baldry , I K , Driver , S P , Tuffs , R J , Alpaslan , M , Andrae , E , Brough , S , Cluver , M E , Grootes , M W , Gunawardhana , M L P , Kelvin , L S , Loveday , J , Robotham , A S G , Taylor , E N , Bamford , S P , Bland-Hawthorn , J , Brown , M J I , Drinkwater , M J , Hopkins , A M , Meyer , M J , Norberg , P , Peacock , J A , Agius , N K , Andrews , S K , Bauer , A E , Ching , J H Y , Colless , M , Conselice , C J , Croom , S M , Davies , L J M , De Propris , R , Dunne , L , Eardley , E M , Ellis , S , Foster , C , Frenk , C S , Haußler , B , Holwerda , B W , Howlett , C , Ibarra , H , Jarvis , M J , Jones , D H , Kafle , P R , Lacey , C G , Lange , R , Lara-Ĺopez , M A , López-Sánchez , Á R , Maddox , S , Madore , B F , McNaught-Roberts , T , Moffett , A J , Nichol , R C , Owers , M S , Palamara , D , Penny , S J , Phillipps , S , Pimbblet , K A , Popescu , C C , Prescott , M , Proctor , R , Sadler , E M , Sansom , A E , Seibert , M , Sharp , R , Sutherland , W , Vazquez-Mata , J A , van Kampen , E , Wilkins , S M , Williams , R & Wright , A H 2015 , ' Galaxy and mass assembly (GAMA) : end of survey report and data release 2 ' Monthly Notices of the Royal Astronomical Society , vol 452 , no. 2 , pp. 2087-2126 . DOI: 10.1093/mnras/stv1436
Monthly Notices of the Royal Astronomical Society
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society. © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society
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