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A Steep Faint-End Slope of the UV Luminosity Function at z~2-3: Implications for the Global Stellar Mass Density and Star Formation in Low Mass Halos
Naveen A. Reddy, Charles C. Steidel
We use the deep ground-based optical photometry of the Lyman Break Galaxy (LBG) Survey to derive robust measurements of the faint-end slope (alpha) of the UV LF at redshifts 1.9<z<…
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 infrared luminosity function of galaxies at redshifts z=1 and z~2 in the GOODS fields
K. I. Caputi, G. Lagache, Lin Yan +6
We present the rest-frame 8 micron luminosity function (LF) at redshifts z=1 and ~2, computed from Spitzer 24 micron-selected galaxies in the GOODS fields over an area of 291 sq. a…
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…