123 citations · 478 across the 24 of their papers we have counts for
24 papers
Hubble Space Telescope Imaging of Bright Lyman-break Galaxy Candidates from the Sloan Digital Sky Survey: Not LBGs After All
Misty C. Bentz, Richard W. Pogge, Patrick S. Osmer
We present deep Hubble Space Telescope ACS and NICMOS images of six bright Lyman-break galaxy candidates that were previously discovered in the Sloan Digital Sky Survey. We find th…
Mass Functions of the Active Black Holes in Distant Quasars from the Sloan Digital Sky Survey Data Release 3
M. Vestergaard, X. Fan, C. A. Tremonti +2
We present the mass functions of actively accreting supermassive black holes over the redshift range 0.3 <= z <= 5 for a well-defined, homogeneous sample of 15,180 quasars from the…
Quasars with Super Metal Rich Emission Line Regions
Neelam Dhanda, Jack A. Baldwin, Misty C. Bentz +1
We study the degree of chemical enrichment in the Broad Emission Line Regions (BELRs) of two QSOs with unusually strong nitrogen emission lines. The N V 1240/ C IV 1549 intensity r…
The Sources of the CDF-N : broadband spectral analyses, absorption measurements and the alpha_ox - L_UV relation
S. Frank, Patrick S. Osmer, S. Mathur
We present broadband properties of sources in the Chandra Deep Field-North with spectroscopic redshifts. The high luminosity and redshift bins are dominated by typical quasars. The…
XMM-Newton Observations of High Redshift Quasars
D. Grupe, S. Mathur, B. Wilkes +1
We report on our XMM observations of the high redshift quasars BR 2237--0607 (z=4.558) and BR 0351--1034 (z=4.351), together with 14 other z>4 objects found in the XMM public archi…
Nitrogen Enriched Quasars in the Sloan Digital Sky Survey First Data Release
Misty C. Bentz, Patrick B. Hall, Patrick S. Osmer
The quasar Q0353-383 has long been known to have extremely strong nitrogen intercombination lines at 1486 and 1750 Angstroms, implying an anomalously high nitrogen abundance of ~15…