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Galaxy And Mass Assembly (GAMA): The Bright Void Galaxy Population in the Optical and Mid-IR
S. J. Penny, M. J. I. Brown, K. A. Pimbblet +22
We examine the properties of galaxies in the Galaxies and Mass Assembly (GAMA) survey located in voids with radii Mpc. Utilising the GAMA equatorial survey, 592 void g…
Sussing Merger Trees: A proposed Merger Tree data format
Peter A. Thomas, Julian Onions, Dylan Tweed +13
We propose a common terminology for use in describing both temporal merger trees and spatial structure trees for dark-matter halos. We specify a unified data format in HDF5 and pro…
Beyond the Halo: Redefining environment with unbound matter in N-body simulations
Genevieve M. Shattow, Darren J. Croton
Approximately half of the matter in the Universe is "unbound" at z = 0, according to N-body simulations such as the Millennium Run. Here, we use the milli-Millennium simulation to…
nIFTy Cosmology: Comparison of Galaxy Formation Models
Alexander Knebe, Frazer R. Pearce, Peter A. Thomas +33
We present a comparison of 14 galaxy formation models: 12 different semi-analytical models and 2 halo-occupation distribution models for galaxy formation based upon the same cosmol…
Thinking outside the halo: Tracing the large-scale distribution of diffuse cosmic metals with semi-analytic models
Genevieve M. Shattow, Darren J. Croton, Antonio Bibiano
With the installation of the Cosmic Origins Spectrograph on the Hubble Space Telescope, measurements of the metal content of the low redshift intergalactic medium (IGM) are now ava…
GERLUMPH Data Release 2: 2.5 billion simulated microlensing light curves
Georgios Vernardos, Christopher J. Fluke, Nicholas F. Bate +2
In the upcoming synoptic all--sky survey era of astronomy, thousands of new multiply imaged quasars are expected to be discovered and monitored regularly. Light curves from the ima…