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The Star Formation Histories of Disk Galaxies: the Live, the Dead, and the Undead
Augustus Oemler, Louis E. Abramson, Michael D. Gladders +3
We reexamine the systematic properties of local galaxy populations, using published surveys of star formation, structure, and gas content. After recalibrating star formation measur…
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).…
Star Formation in Intermediate Redshift 0.2 < z < 0.7 Brightest Cluster Galaxies
Kevin C. Cooke, Christopher P. O'Dea, Stefi A. Baum +3
We present a multi-wavelength photometric and spectroscopic study of 42 Brightest Cluster Galaxies (BCGs) in two samples of galaxy clusters chosen for a gravitational lensing study…
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…
SPT-GMOS: A Gemini/GMOS-South Spectroscopic Survey of Galaxy Clusters in the SPT-SZ Survey
M. B. Bayliss, J. Ruel, C. W. Stubbs +75
We present the results of SPT-GMOS, a spectroscopic survey with the Gemini Multi-Object Spectrograph (GMOS) on Gemini South. The targets of SPT-GMOS are galaxy clusters identified…
Demonstrating Diversity in Star Formation Histories with the CSI Survey
Alan Dressler, Daniel D. Kelson, Louis E. Abramson +8
We present coarse but robust star formation histories (SFHs) derived from spectro-photometric data of the Carnegie-Spitzer-IMACS Survey, for 22,494 galaxies at 0.3<z<0.9 with stell…
Return to [Log-]Normalcy: Rethinking Quenching, The Star Formation Main Sequence, and Perhaps Much More
Louis E. Abramson, Michael D. Gladders, Alan Dressler +3
Knowledge of galaxy evolution rests on cross-sectional observations of different objects at different times. Understanding of galaxy evolution rests on longitudinal interpretations…
Cosmological Constraints from Galaxy Clusters in the 2500 square-degree SPT-SZ Survey
T. de Haan, B. A. Benson, L. E. Bleem +74
(abridged) We present cosmological constraints obtained from galaxy clusters identified by their Sunyaev-Zel'dovich effect signature in the 2500 square degree South Pole Telescope…
Spatially Resolved Galactic Wind in Lensed Galaxy RCSGA 032727-132609
Rongmon Bordoloi, Jane R. Rigby, Jason Tumlinson +4
We probe the spatial distribution of outflowing gas along four lines of sight separated by up to 6 kpc in a gravitationally-lensed star-forming galaxy at z=1.70. Using MgII and FeI…