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The Effect of Environment on Shear in Strong Gravitational Lenses
Kenneth C. Wong, Charles R. Keeton, Kurtis A. Williams +2
Using new photometric and spectroscopic data in the fields of nine strong gravitational lenses that lie in galaxy groups, we analyze the effects of both the local group environment…
The H-alpha Luminosity Function and Star Formation Rate Volume Density at z=0.8 from the NEWFIRM H-alpha Survey
Chun Ly, Janice C. Lee, Daniel A. Dale +5
[Abridged] We present new measurements of the H-alpha luminosity function (LF) and SFR volume density for galaxies at z~0.8. Our analysis is based on 1.18m narrowband data from…
Reversal of Fortune: Confirmation of an Increasing Star Formation-Density Relation in a Cluster at z=1.62
Kim-Vy H. Tran, Casey J. Papovich, Amelie Saintonge +9
We measure the rest-frame colors (dust-corrected), infrared luminosities, star formation rates, and stellar masses of 92 galaxies in a Spitzer-selected cluster at z=1.62. By fittin…
A Spitzer-Selected Galaxy Cluster at z=1.62
C. Papovich, I. Momcheva, C. N. A. Willmer +15
We report the discovery of a galaxy cluster at z=1.62 located in the Spitzer Wide-Area Infrared Extragalactic survey XMM-LSS field. This structure was selected solely as an overden…