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Reliable Identification of Compton-thick Quasars at z~2: Spitzer Mid-IR spectroscopy of HDF-oMD49
D. M. Alexander, R. R. Chary, A. Pope +6
Many models that seek to explain the origin of the unresolved X-ray background predict that Compton-thick Active Galactic Nuclei (AGNs) are ubiquitious at high redshift. However, f…
Multi-Wavelength Constraints on the Cosmic Star Formation History from Spectroscopy: the Rest-Frame UV, H-alpha, and Infrared Luminosity Functions at Redshifts 1.9<z<3.4
Naveen A. Reddy, Charles C. Steidel, Max Pettini +4
We use a sample of rest-frame UV selected and spectroscopically observed galaxies at redshifts 1.9<z<3.4, combined with ground-based spectroscopic H-alpha and Spitzer MIPS 24 micro…
Morphologies of Galaxies in and around a Protocluster at z=2.300
Annika H. G. Peter, Alice E. Shapley, David R. Law +4
We present results from the first robust investigation of galaxy morphology as a function of environment at z>1.5. Our study is motivated by the fact that star-forming galaxies con…
The Physical Nature of Rest-UV Galaxy Morphology During the Peak Epoch of Galaxy Formation
David R. Law, Charles C. Steidel, Dawn K. Erb +5
Motivated by the irregular and little-understood morphologies of z ~ 2 - 3 galaxies, we use non-parametric coefficents to quantify the morphologies of 216 galaxies which have been…
A Spectroscopic Survey of Redshift 1.4<z<3.0 Galaxies in the Goods-North Field: Survey Description, Catalogs, and Properties
Naveen A. Reddy, Charles C. Steidel, Dawn K. Erb +2
We present the results of a spectroscopic survey with the Keck I telescope of more than 280 star-forming galaxies and AGN at redshifts 1.4<z<3.0 in the GOODS-N field. Candidates ar…
The Stellar, Gas and Dynamical Masses of Star-Forming Galaxies at z~2
Dawn K. Erb, Charles C. Steidel, Alice E. Shapley +3
We present analysis of the near-infrared spectra of 114 rest-frame UV-selected star-forming galaxies at z~2. By combining the H-alpha spectra with photometric measurements from obs…