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ALMA observations of massive molecular gas filaments encasing radio bubbles in the Phoenix cluster
H. R. Russell, M. McDonald, B. R. McNamara +11
We report new ALMA observations of the CO(3-2) line emission from the molecular gas reservoir in the central galaxy of the Phoenix c…
Velocity Segregation and Systematic Biases In Velocity Dispersion Estimates With the SPT-GMOS Spectroscopic Survey
Matthew. B. Bayliss, Kyle Zengo, Jonathan Ruel +15
The velocity distribution of galaxies in clusters is not universal; rather, galaxies are segregated according to their spectral type and relative luminosity. We examine the velocit…
VLT/Magellan spectroscopy of 29 strong lensing selected galaxy clusters
Mauricio Carrasco, L. Felipe Barrientos, Timo Anguita +6
We present an extensive spectroscopic follow-up campaign of 29 strong lensing (SL) selected galaxy clusters discovered primarily in the Second Red-Sequence Cluster Survey (RCS-2).…
Cluster Mass Calibration at High Redshift: HST Weak Lensing Analysis of 13 Distant Galaxy Clusters from the South Pole Telescope Sunyaev-Zel'dovich Survey
T. Schrabback, D. Applegate, J. P. Dietrich +26
We present an HST/ACS weak gravitational lensing analysis of 13 massive high-redshift (z_median=0.88) galaxy clusters discovered in the South Pole Telescope (SPT) Sunyaev-Zel'dovic…
Lens Model and Time Delay Predictions for the Sextuply Lensed Quasar SDSS J2222+2745
Keren Sharon, Matthew B. Bayliss, Hakon Dahle +7
SDSS J2222+2745 is a galaxy cluster at z=0.49, strongly lensing a quasar at z=2.805 into six widely separated images. In recent HST imaging of the field, we identify additional mul…
The stellar mass - size relation for cluster galaxies at z=1 with high angular resolution from the Gemini/GeMS multi-conjugate adaptive optics system
Sarah M. Sweet, Robert Sharp, Karl Glazebrook +7
We present the stellar mass - size relation for 49 galaxies within the = 1.067 cluster SPT-CL J05465345, with FWHM 80-120 mas -band data from the Gemini…