Galaxy And Mass Assembly (GAMA): end of survey report and data release 2

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, Häußler, B, Holwerda, B W, Howlett, C, Ibarra, H, Jarvis, M J, Jones, D H, Kafle, P R, Lacey, C G, Lange, R, Lara-López, 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, Vázquez-Mata, J A, van Kampen, E, Wilkins, S M, Williams, R and Wright, A H (2015) Galaxy And Mass Assembly (GAMA): end of survey report and data release 2. Monthly Notices of the Royal Astronomical Society, 452 (2). pp. 2087-2126. ISSN 0035-8711

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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 Sérsic 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/.

Item Type: Article
Keywords: Surveys, Galaxies: distances and redshifts, Galaxies: fundamental parameters, Galaxies: general, Galaxies: photometry, Galaxies: statistics
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QB Astronomy
Depositing User: Richard Chambers
Date Deposited: 19 May 2016 16:02
Last Modified: 07 Mar 2017 03:43
URI: http://sro.sussex.ac.uk/id/eprint/61084

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Project NameSussex Project NumberFunderFunder Ref
Astronomy rolling grantG0278STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCILST/I000976/1