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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Galaxy and mass assembly (GAMA): The mass-metallicity relationship
Astronomy and Astrophysics, Volume 547, Article A79, Year 2012
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Description
Context. The mass-metallicity relationship (MMR) of star-forming galaxies is well-established, however there is still some disagreement with respect to its exact shape and its possible dependence on other observables. Aims.We measure the MMR in the Galaxy And Mass Assembly (GAMA) survey. We compare our measured MMR to that measured in the Sloan Digital Sky Survey (SDSS) and study the dependence of the MMR on various selection criteria to identify potential causes for disparities seen in the literature. Methods.We use strong emission line ratio diagnostics to derive oxygen abundances. We then apply a range of selection criteria for the minimum signal-to-noise in various emission lines, as well as the apparent and absolute magnitude to study variations in the inferred MMR. Results. The shape and position of the MMR can differ significantly depending on the metallicity calibration and selection used. After selecting a robust metallicity calibration amongst those tested, we find that the mass-metallicity relation for redshifts 0.061 ≲ z ≲ 0.35 in GAMA is in reasonable agreement with that found in the SDSS despite the difference in the luminosity range probed. Conclusions. In view of the significant variations of the MMR brought about by reasonable changes in the sample selection criteria and method, we recommend that care be taken when comparing the MMR from different surveys and studies directly. We also conclude that there could be a modest level of evolution over 0.06 ≤ z ≤ 0.35 within the GAMA sample. © 2012 ESO.
Authors & Co-Authors
Foster, Caroline
Chile, Santiago
European Southern Observatory Santiago
Australia, Hawthorn
Swinburne University of Technology
Hopkins, Andrew M.
Australia
Australian Astronomical Observatory
Gunawardhana, Madusha L.P.
Australia, Sydney
The University of Sydney
Lara-López, Maritza A.
Australia
Australian Astronomical Observatory
Sharp, Rob G.
Australia, Canberra
The Australian National University
Steele, Oliver I.
United Kingdom, Portsmouth
University of Portsmouth
Taylor, Edward N.
Australia, Sydney
The University of Sydney
Driver, Simon P.
Australia, Perth
International Centre for Radio Astronomy Research
United Kingdom, St Andrews
University of st Andrews
Baldry, Ivan K.
United Kingdom, Liverpool
Liverpool John Moores University
Bamford, Steven P.
United Kingdom, Nottingham
University of Nottingham
Liske, Jochen
Germany, Garching Bei Munchen
European Southern Observatory
Loveday, Jon N.
United Kingdom, Brighton
University of Sussex
Norberg, Peder R.
United Kingdom, Durham
Durham University
Peacock, John A.
United Kingdom, Edinburgh
The University of Edinburgh
Alpaslan, Mehmet
Australia, Perth
International Centre for Radio Astronomy Research
United Kingdom, St Andrews
University of st Andrews
Bauer, Amanda E.
Australia
Australian Astronomical Observatory
Bland-Hawthorn, Joss
Australia, Sydney
The University of Sydney
Brough, Sarah
Australia
Australian Astronomical Observatory
Cameron, Ewan
Switzerland, Zurich
Eth Zürich
Colless, Matthew
Australia
Australian Astronomical Observatory
Conselice, Christopher J.
United Kingdom, Nottingham
University of Nottingham
Croom, Scott M.
Australia, Sydney
The University of Sydney
Frenk, Carlos S.
United Kingdom, Durham
Durham University
Hill, David T.
United Kingdom, St Andrews
University of st Andrews
Jones, Daniel Heath
Australia, Clayton
Monash University
Kelvin, Lee S.
Australia, Perth
International Centre for Radio Astronomy Research
United Kingdom, St Andrews
University of st Andrews
Kuijken, Konrad H.
Netherlands, Leiden
Universiteit Leiden
Nichol, Robert C.
United Kingdom, Portsmouth
University of Portsmouth
Owers, Matt S.
Australia
Australian Astronomical Observatory
Parkinson, Hannah R.
United Kingdom, Edinburgh
The University of Edinburgh
Pimbblet, Kevin A.
Australia, Clayton
Monash University
Popescu, Cristina C.
United Kingdom, Preston
University of Central Lancashire
Prescott, Matthew
United Kingdom, Liverpool
Liverpool John Moores University
Robotham, Aaron S.G.
Australia, Perth
International Centre for Radio Astronomy Research
United Kingdom, St Andrews
University of st Andrews
López-Sánchez, Ángel R.
Australia
Australian Astronomical Observatory
Australia, Sydney
Macquarie University
Sutherland, William J.
United Kingdom, London
Queen Mary University of London
Thomas, Daniel B.
United Kingdom, Portsmouth
University of Portsmouth
United Kingdom
South East Physics Network Sepnet
Tuffs, Richard J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
van Kampen, Eelco V.
Germany, Garching Bei Munchen
European Southern Observatory
Wijesinghe, Dinuka B.
Australia, Sydney
The University of Sydney
Statistics
Citations: 43
Authors: 40
Affiliations: 22
Identifiers
Doi:
10.1051/0004-6361/201220050
ISSN:
14320746
Research Areas
Environmental
Study Design
Cross Sectional Study
Study Approach
Quantitative