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Rotation on sub-kpc scales in the strongly lensed z~3 'arc&core' and implications for high-redshift galaxy dynamics
N. P. H. Nesvadba, M. D. Lehnert, B. L. Frye
Strongly lensed galaxies at high redshift provide a unique window into the early universe. We compare the internal kinematics of the strongly lensed Lyman-break galaxy (LBG) 'arc&c…
Keck Spectroscopy of Giant Arcs in Abell 2390
B. L. Frye, T. J. Broadhurst, H. Spinrad +1
We present new Keck observations of giant arcs in the cluster Abell 2390. High resolution two-dimensional spectra of two arcs show metal lines at z=4.040 +/- 0.005 with Lyman-alpha…
BIMA and Keck Imaging of the Radio Ring PKS 1830-211
B. L. Frye, F. Courbin, T. Broadhurst +5
We discuss BIMA (Berkeley Illinois Maryland Association) data and present new high quality optical and near-IR Keck images of the bright radio ring PKS 1830-211. Applying a powerfu…