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The SAMI Galaxy Survey : instrument specification and target selection.

Bryant, J.J. and Owers, M.S. and Robotham, A.S.G. and Croom, S.M. and Driver, S.P. and Drinkwater, M.J. and Lorente, N.P.F. and Cortese, L. and Scott, N. and Colless, M. and Schaefer, A. and Taylor, E.N. and Konstantopoulos, I.S. and Allen, J.T. and Baldry, I. and Barnes, L. and Bauer, A.E. and Bland-Hawthorn, J. and Bloom, J.V. and Brooks, A.M. and Brough, S. and Cecil, G. and Couch, W. and Croton, D. and Davies, R. and Ellis, S. and Fogarty, L.M.R. and Foster, C. and Glazebrook, K. and Goodwin, M. and Green, A. and Gunawardhana, M.L. and Hampton, E. and Ho, I.-T. and Hopkins, A.M. and Kewley, L. and Lawrence, J.S. and Leon-Saval, S.G. and Leslie, S. and McElroy, R. and Lewis, G. and Liske, J. and López-Sánchez, Á.R. and Mahajan, S. and Medling, A.M. and Metcalfe, N. and Meyer, M. and Mould, J. and Obreschkow, D. and O'Toole, S. and Pracy, M. and Richards, S.N. and Shanks, T. and Sharp, R. and Sweet, S.M. and Thomas, A.D. and Tonini, C. and Walcher, C.J. (2015) 'The SAMI Galaxy Survey : instrument specification and target selection.', Monthly notices of the Royal Astronomical Society., 447 (3). pp. 2857-2879.

Abstract

The SAMI Galaxy Survey will observe 3400 galaxies with the Sydney-AAO Multi-object Integral-field spectrograph (SAMI) on the Anglo-Australian Telescope in a 3-yr survey which began in 2013. We present the throughput of the SAMI system, the science basis and specifications for the target selection, the survey observation plan and the combined properties of the selected galaxies. The survey includes four volume-limited galaxy samples based on cuts in a proxy for stellar mass, along with low-stellar-mass dwarf galaxies all selected from the Galaxy And Mass Assembly (GAMA) survey. The GAMA regions were selected because of the vast array of ancillary data available, including ultraviolet through to radio bands. These fields are on the celestial equator at 9, 12 and 14.5 h, and cover a total of 144 deg2 (in GAMA-I). Higher density environments are also included with the addition of eight clusters. The clusters have spectroscopy from 2-degree Field Galaxy Redshift Survey (2dFGRS) and Sloan Digital Sky Survey (SDSS) and photometry in regions covered by the SDSS and/or VLT Survey Telescope/ATLAS. The aim is to cover a broad range in stellar mass and environment, and therefore the primary survey targets cover redshifts 0.004 < z < 0.095, magnitudes rpet < 19.4, stellar masses 107–1012 M⊙, and environments from isolated field galaxies through groups to clusters of ∼1015 M⊙.

Item Type:Article
Keywords:Instrumentation: miscellaneous, Instrumentation: spectrographs, Techniques: imaging spectroscopy, Galaxies: evolution, Galaxies: kinematics and dynamics.
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1093/mnras/stu2635
Publisher statement: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. All rights reserved.
Date accepted:11 December 2014
Date deposited:19 May 2015
Date of first online publication:March 2015
Date first made open access:No date available

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