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New High-Redshift Radio Galaxies from the MIT-Green Bank Catalog
Daniel Stern, Arjun Dey, Hyron Spinrad +4
We present optical identifications and redshifts for seventeen new high-redshift radio sources. Fifteen of these sources are radio galaxies; the remaining two are high-redshift, st…
Induced star formation and morphological evolution in very high redshift radio galaxies
Wil van Breugel, A. Stanford, A. Dey +5
Near-infrared, sub-arcsecond seeing images obtained with the W. M. Keck I Telescope of show strong evolution at rest--frame optical} wavelengths in the morphologies of high redshif…
A z=5.34 Galaxy Pair in the Hubble Deep Field
Hyron Spinrad, Daniel Stern, Andrew Bunker +5
We present spectrograms of the faint V-drop (V(606) = 28.1, I(814) = 25.6) galaxy pair HDF3-951.1 and HDF3-951.2 obtained at the Keck II Telescope. Fernandez-Soto, Lanzetta, & Yahi…
Keck Spectroscopy and NICMOS Photometry of a Redshift z=5.60 Galaxy
R. J. Weymann, D. Stern, A. Bunker +4
We present Keck LRIS spectroscopy along with NICMOS F110W (~J) and F160W (~H) images of the galaxy HDF4-473.0 (hereafter 4-473) in the Hubble Deep Field, with a detection of an emi…
A Galaxy at z=5.34
Arjun Dey, Hyron Spinrad, Daniel Stern +2
We report the discovery of Lyman alpha emission from a galaxy at z=5.34, the first object at z>5 with a spectroscopically confirmed redshift. The faint continuum emission (m(8000A)…
Morphological Evolution in High Redshift Radio Galaxies and the Formation of Giant Elliptical Galaxies
Wil J. M. van Breugel, S. A. Stanford, Hyron Spinrad +2
We present deep near-IR images of high redshift radio galaxies obtained with NIRC on the Keck I telescope. In most cases, the near-IR data sample rest wavelengths at ~4000 Angstrom…