Exploring Galaxy Formation and Evolution via Structural Decomposition

Computer Science

Scientific paper

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Clusters Of Galaxies, Red Shift, Galaxies, Stellar Structure, Galaxy Clusters, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Origin, Formation, Evolution, Age, And Star Formation, Stellar Content And Populations, Radii, Morphology And Overall Structure

Scientific paper

The Galaxy And Mass Assembly (GAMA) structural decomposition pipeline (GAMA-SIGMA Structural Investigation of Galaxies via Model Analysis) will provide multi-component information for a sample of ~12,000 galaxies across 9 bands ranging from near-UV to near-IR.
This will allow the relationship between structural properties and broadband, optical-to-near-IR, spectral energy distributions of bulge, bar, and disk components to be explored, revealing clues as to the history of baryonic mass assembly within a hierarchical clustering framework.
Data is initially taken from the SDSS & UKIDSS-LAS surveys to test the robustness of our automated decomposition pipeline. This will eventually be replaced with the forthcoming higher-resolution VST & VISTA surveys data, expanding the sample to ~30,000 galaxies.

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