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Untangling galaxy components: full spectral bulge-disc decomposition
Martha Tabor, Michael Merrifield, Alfonso Aragón-Salamanca +3
To ascertain whether photometric decompositions of galaxies into bulges and disks are astrophysically meaningful, we have developed a new technique to decompose spectral data cubes…
SDSS-IV MaNGA: Bulge-Disc Decomposition of IFU Datacubes (BUDDI)
Evelyn J. Johnston, Boris Haeussler, Alfonso Aragon-Salamanca +12
With the availability of large integral-field unit (IFU) spectral surveys of nearby galaxies, there is now the potential to extract spectral information from across the bulges and…
Galaxy Zoo: Morphological Classifications for 120,000 Galaxies in HST Legacy Imaging
Kyle W. Willett, Melanie A. Galloway, Steven P. Bamford +18
We present the data release paper for the Galaxy Zoo: Hubble (GZH) project. This is the third phase in a large effort to measure reliable, detailed morphologies of galaxies by usin…
Galaxy Zoo: Quantitative Visual Morphological Classifications for 48,000 galaxies from CANDELS
B. D. Simmons, Chris Lintott, Kyle W. Willett +45
We present quantified visual morphologies of approximately 48,000 galaxies observed in three Hubble Space Telescope legacy fields by the Cosmic And Near-infrared Deep Extragalactic…
Galaxy Zoo: Evidence for rapid, recent quenching within a population of AGN host galaxies
R. J. Smethurst, C. J. Lintott, B. D. Simmons +8
We present a population study of the star formation history of 1244 Type 2 AGN host galaxies, compared to 6107 inactive galaxies. A Bayesian method is used to determine individual…
Galaxy And Mass Assembly (GAMA): Galaxy colour gradients versus colour, structure and luminosity
Rebecca Kennedy, Steven P. Bamford, Boris Häußler +5
Using single-component fits to SDSS/UKIDSS images of galaxies in the G09 region of the GAMA survey we study radial colour gradients across the galaxy population. We use the multiwa…