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Extracting galaxy merger timescales I: Tracking haloes with WhereWolf and spinning orbits with OrbWeaver
Rhys J. J. Poulton, Chris Power, Aaron S. G. Robotham +1
Hierarchical models of structure formation predict that dark matter halo assembly histories are characterised by episodic mergers and interactions with other haloes. An accurate de…
xGASS: The Impact of Photometric Bulges on the Scatter of HI Scaling Relations
Robin H. W. Cook, Luca Cortese, Barbara Catinella +1
We present a structural decomposition analysis of the galaxies in the extended GALEX Arecibo SDSS Survey (xGASS) using (gri) images from the Sloan Digital Sky Survey. Utilising the…
From the far-ultraviolet to the far-infrared -- galaxy emission at in the Shark semi-analytic model
Claudia del P. Lagos, Aaron S. G. Robotham, James W. Trayford +8
We combine the Shark semi-analytic model of galaxy formation with the ProSpect software tool for spectral energy distribution (SED) generation to study the multi-wavelength emissio…
Fade to grey: systematic variation of the galaxy attenuation curves with galaxy properties in EAGLE
James W. Trayford, Claudia del P. Lagos, Aaron S. G. Robotham +1
We present a simple model for galaxy attenuation by distilling SKIRT radiative transfer calculations for ~100,000 EAGLE galaxies at redshifts z=2-0. Our model adapts the two compon…
4MOST Consortium Survey 7: Wide-Area VISTA Extragalactic Survey (WAVES)
S. P. Driver, J. Liske, L. J. M. Davies +12
WAVES is designed to study the growth of structure, mass and energy on scales of ~1 kpc to ~10 Mpc over a 7 Gyr timeline. On the largest length scales (1-10 Mpc) WAVES will measure…
Radio Source Extraction with ProFound
C. L. Hale, A. S. G. Robotham, L. J. M. Davies +3
In the current era of radio astronomy, continuum surveys observe a multitude of objects with complex morphologies and sizes, and are not limited to observing point sources. Typical…