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Evidence for a change in the dominant satellite galaxy quenching mechanism at z=1
Michael L. Balogh, Sean L. McGee, Angus Mok +14
We present an analysis of galaxies in groups and clusters at , from the GCLASS and GEEC2 spectroscopic surveys. We compute a "conversion fraction" that…
The Star-Formation History of BCGs to z = 1.8 from the SpARCS/SWIRE Survey: Evidence for significant in-situ star formation at high-redshift
Tracy Webb, Adam Muzzin, Allison Noble +8
We present the results of a MIPS-24um study of the Brightest Cluster Galaxies (BCGs) of 535 high-redshift galaxy clusters. The clusters are drawn from the Spitzer Adaptation of the…
An Extreme Starburst in Close Proximity to the Central Galaxy of a Rich Galaxy Cluster at z=1.7
Tracy Webb, Allison Noble, Andrew DeGroot +19
We have discovered an optically rich galaxy cluster at z=1.7089 with star formation occurring in close proximity to the central galaxy. The system, SpARCS104922.6+564032.5, was det…
OzDES multi-fibre spectroscopy for the Dark Energy Survey: first-year operation and results
Fang Yuan, C. Lidman, T. M. Davis +99
OzDES is a five-year, 100-night, spectroscopic survey on the Anglo-Australian Telescope, whose primary aim is to measure redshifts of approximately 2,500 Type Ia supernovae host ga…
Simulations of the OzDES AGN Reverberation Mapping Project
Anthea L. King, Paul Martini, Tamara M. Davis +11
As part of the OzDES spectroscopic survey we are carrying out a large scale reverberation mapping study of 500 quasars over five years in the 30 deg area of the Dark Ener…
The accretion histories of brightest cluster galaxies from their stellar population gradients
Paola Oliva-Altamirano, Sarah Brough, Jimmy +6
We analyse the spatially-resolved stellar populations of 9 local () Brightest Cluster Galaxies (BCGs) observed with VIMOS in IFU mode. Our sample is composed of 7 slow-rotat…