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Non-Parametric Cell-Based Photometric Proxies for Galaxy Morphology: Methodology and Application to the Morphologically-Defined Star Formation -- Stellar Mass Relation of Spiral Galaxies in the Local Universe
M. W. Grootes, R. J. Tuffs, C. C. Popescu +3
(Abridged) We present a non-parametric cell-based method of selecting highly pure and largely complete samples of spiral galaxies using photometric and structural parameters as pro…
Detection, size, measurement and structural analysis limits for the 2MASS, UKIDSS-LAS & VISTA VIKING surveys
Stephen K. Andrews, Lee S. Kelvin, Simon P. Driver +1
The 2MASS, UKIDSS-LAS and VISTA VIKING surveys have all now observed the GAMA 9hr region in the band. Here we compare the detection rates, photometry, basic size measurements…
Galaxy And Mass Assembly (GAMA): The large scale structure of galaxies and comparison to mock universes
Mehmet Alpaslan, Aaron S. G. Robotham, Simon Driver +18
From a volume limited sample of 45,542 galaxies and 6,000 groups with we use an adapted minimal spanning tree algorithm to identify and classify large scale structur…
Galaxy and Mass Assembly (GAMA): galaxy radial alignments in GAMA groups
Michael D. Schneider, Shaun Cole, Carlos S. Frenk +10
We constrain the distributions of projected radial alignment angles of satellite galaxy shapes within the Galaxy And Mass Assembly survey group catalogue. We identify the galaxy gr…
Galaxy And Mass Assembly (GAMA): A deeper view of the mass, metallicity, and SFR relationships
M. A. Lara-Lopez, A. M. Hopkins, A. R. Lopez-Sanchez +18
A full appreciation of the role played by gas metallicity (Z), star-formation rate (SFR), and stellar mass is fundamental to understanding how galaxies form and evolve. The connect…
Galaxy And Mass Assembly: Evolution of the Halpha luminosity function and star formation rate density up to z<0.35
M. L. P. Gunawardhana, A. M. Hopkins, J. Bland-Hawthorn +28
Measurements of the low-z Halpha luminosity function have a large dispersion in the local number density of sources, and correspondingly in the SFR density. The possible causes for…
GAMA/H-ATLAS: Linking the Properties of Sub-mm Detected and Undetected Early-Type Galaxies: I. z0.06 Sample
N. K. Agius, A. E. Sansom, C. C. Popescu +34
We present two large, nearby (0.013z0.06) samples of Early-Type Galaxies (ETGs): a visually classified sample of 220 ETGs, created using source-matched data from the Gala…
GAMA/H-ATLAS: The Dust Opacity - Stellar Mass Surface Density Relation for Spiral Galaxies
M. W. Grootes, R. J. Tuffs, C. C. Popescu +32
We report the discovery of a well-defined correlation between B-band face-on central optical depth due to dust, τ^f_B, and the stellar mass surface density, μ_{*}, of nearby (z < 0…
Galaxy And Mass Assembly (GAMA): The Life and Times of L* Galaxies
A. S. G. Robotham, J. Liske, S. P. Driver +18
In this work we investigate in detail the effects local environment (groups and pairs) has on galaxies with stellar mass similar to the Milky-Way (L* galaxies). A volume limited sa…
Galaxy And Mass Assembly (GAMA): Spectroscopic analysis
A. M. Hopkins, S. P. Driver, S. Brough +79
The Galaxy And Mass Assembly (GAMA) survey is a multiwavelength photometric and spectroscopic survey, using the AAOmega spectrograph on the Anglo-Australian Telescope to obtain spe…