2 papers
astro-ph1998
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…
astro-ph1998
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…