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Galaxy and Mass Assembly (GAMA): Optimal Tiling of Dense Surveys with a Multi-Object Spectrograph
Aaron Robotham, S. P. Driver, P. Norberg +23
A heuristic greedy algorithm is developed for efficiently tiling spatially dense redshift surveys. In its first application to the Galaxy and Mass Assembly (GAMA) redshift survey w…
Hierarchical models of high redshift galaxies with thermally pulsing asymptotic giant branch stars: comparison with observations
Chiara Tonini, Claudia Maraston, Daniel Thomas +2
In a recent paper we presented the first semi-analytic model of galaxy formation in which the Thermally-Pulsing Asymptotic Giant Branch phase of stellar evolution has been fully im…
Galaxy Zoo: Reproducing Galaxy Morphologies Via Machine Learning
Manda Banerji, Ofer Lahav, Chris J. Lintott +10
We present morphological classifications obtained using machine learning for objects in SDSS DR6 that have been classified by Galaxy Zoo into three classes, namely early types, spi…
Galaxy Zoo Green Peas: Discovery of A Class of Compact Extremely Star-Forming Galaxies
Carolin N. Cardamone, Kevin Schawinski, Marc Sarzi +14
We investigate a class of rapidly growing emission line galaxies, known as "Green Peas", first noted by volunteers in the Galaxy Zoo project because of their peculiar bright green…
Galaxy Zoo : 'Hanny's Voorwerp', a quasar light echo?
Chris Lintott, Kevin Schawinski, William Keel +17
We report the discovery of an unusual object near the spiral galaxy IC 2497, discovered by visual inspection of the Sloan Digital Sky Survey (SDSS) as part of the Galaxy Zoo projec…
Galaxy Zoo: A correlation between coherence of galaxy spin chirality and star formation efficiency
Raul Jimenez, Anze Slosar, Licia Verde +11
We report on the finding of a correlation between galaxies' past star formation activity and the degree to which neighbouring galaxies rotation axes are aligned. This is obtained b…