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IQ-Collaboratory 1.1: the Star-Forming Sequence of Simulated Central Galaxies
ChangHoon Hahn, Tjitske K. Starkenburg, Ena Choi +12
A tightly correlated star formation rate-stellar mass relation of star forming galaxies, or star-forming sequence (SFS), is a key feature in galaxy property-space that is predicted…
The SLUGGS Survey: A comparison of total-mass profiles of early-type galaxies from observations and cosmological simulations, to 4 effective radii
Sabine Bellstedt, Duncan A. Forbes, Aaron J. Romanowsky +11
We apply the Jeans Anisotropic MGE (JAM) dynamical modelling method to SAGES Legacy Unifying Globulars and GalaxieS (SLUGGS) survey data of early-type galaxies in the stellar mass…
Origins of ultra-diffuse galaxies in the Coma cluster - I. Constraints from velocity phase-space
Adebusola Alabi, Anna Ferré-Mateu, Aaron J. Romanowsky +8
We use Keck/DEIMOS spectroscopy to confirm the cluster membership of 16 ultra-diffuse galaxies (UDGs) in the Coma cluster, bringing the total number of spectroscopically con- firme…
The contribution of HI-bearing ultra-diffuse galaxies to the cosmic number density of galaxies
Michael G. Jones, Emmanouil Papastergis, Viraj Pandya +5
We estimate the cosmic number density of the recently identified class of HI-bearing ultra-diffuse sources (HUDs) based on the completeness limits of the ALFALFA survey. These obje…
Origins of ultra-diffuse galaxies in the Coma cluster II. Constraints from their stellar populations
Anna Ferre-Mateu, Adebusola Alabi, Duncan A. Forbes +8
In this second paper of the series, we study with new Keck/DEIMOS spectra the stellar populations of seven spectroscopically confirmed ultra-diffuse galaxies (UDGs) in the Coma clu…