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SDSS 0956+5128: A Broad-line Quasar with Extreme Velocity Offsets
Charles L. Steinhardt, Malte Schramm, John D. Silverman +8
We report on the discovery of a Type 1 quasar, SDSS 0956+5128, with a surprising combination of extreme velocity offsets. SDSS 0956+5128 is a broad-lined quasar exhibiting emission…
Lyα Emission from High Redshift Sources in COSMOS
Ryan P. Mallery, Bahram Mobasher, Peter Capak +9
We investigate spectroscopically measured Lyα equivalent widths and escape fractions of 244 sources of which 95 are Lyman Break Galaxies (LBGs) and 106 Lyman Alpha Emitters (LAEs)…
Evolution of the Quasar Luminosity Function Over 3 < z < 5 in the COSMOS Survey Field
Daniel Masters, Peter Capak, Mara Salvato +10
We investigate the high-redshift quasar luminosity function (QLF) down to an apparent magnitude of I(AB) = 25 in the Cosmic Evolution Survey (COSMOS). Careful analysis of the exten…
Constraints on the faint end of the quasar luminosity function at z~5 in the COSMOS field
H. Ikeda, T. Nagao, K. Matsuoka +12
We present the result of our low-luminosity quasar survey in the redshift range of 4.5 < z < 5.5 in the COSMOS field. Using the COSMOS photometric catalog, we selected 15 quasar ca…
Dust extinction from Balmer decrements of star-forming galaxies at 0.75<z<1.5 with HST/WFC3 spectroscopy from the WISP survey
A. Domínguez, B. Siana, A. L. Henry +14
Spectroscopic observations of Halpha and Hbeta emission lines of 128 star-forming galaxies in the redshift range 0.75<z<1.5 are presented. These data were taken with slitless spect…
The Chandra COSMOS Survey: III. Optical and Infrared Identification of X-ray Point Sources
F. Civano, M. Elvis, M. Brusa +29
The Chandra COSMOS Survey (C-COSMOS) is a large, 1.8 Ms, Chandra program that has imaged the central 0.9 deg^2 of the COSMOS field down to limiting depths of 1.9 10^-16 erg cm^-2 s…