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Lost and Found: The Damped Lyman Alpha Absorbers in the QSO OI 363
Judith G. Cohen
The galaxy giving rise to the damped Ly absorbing system in the QSO OI 363 with z=0.221 has been found. A galaxy which is probably associated with the second DLA in this same QS…
A Progress Report on the Caltech Faint Galaxy Redshift Survey
Judith Cohen
I review recent progress on determining the spectral energy distributions and luminosity functions for galaxies in the large magnitude limited sample in the region of the HDF-North…
Caltech Faint Galaxy Redshift Survey XIV: Galaxy Morphology in the HDF (North) and its Flanking Fields to z=1.2
Sidney van den Bergh, Judith G. Cohen, David W. Hogg +1
Morphological classifications are reported for Hubble Space Telescope (HST) images of 241 galaxies in the Hubble Deep Field (HDF) and its Flanking Fields (FF) with measured redshif…
RX J0911+05: A Massive Cluster Lens at z=0.769
Jean-Paul Kneib, Judith G. Cohen, Jens Hjorth
We report the detection of a massive high-redshift cluster of galaxies near the quadruple quasar RX J0911+05, using the LRIS instrument on the Keck-II telescope. The cluster is fou…
The Caltech Faint Galaxy Redshift Survey XII: Clustering of Galaxies
David W. Hogg, Judith G. Cohen, Roger Blandford
A clustering analysis is performed on two samples of faint galaxies each, in two widely separated regions of the sky, including the Hubble Deep Field. One of the survey…
Rotations and Abundances of Blue Horizontal-Branch Stars in Globular Cluster M15
Bradford B. Behr, Judith G. Cohen, James K. McCarthy
High-resolution optical spectra of eighteen blue horizontal-branch (BHB) stars in the globular cluster M15 indicate that their stellar rotation rates and photospheric compositions…