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A Rest-frame Optical View on z~4 Galaxies I: Color and Age Distributions from Deep IRAC Photometry of the IUDF10 and GOODS Surveys
P. A. Oesch, I. Labbe, R. J. Bouwens +7
We present a study of rest-frame UV-to-optical color distributions for z~4 galaxies based on the combination of deep HST/ACS+WFC3/IR data with Spitzer/IRAC imaging. In particular,…
Photometric Constraints on the Redshift of z~10 candidate UDFj-39546284 from deeper WFC3/IR+ACS+IRAC observations over the HUDF
R. J. Bouwens, P. A. Oesch, G. D. Illingworth +10
Ultra-deep WFC3/IR observations on the HUDF from the HUDF09 program revealed just one plausible z~10 candidate UDFj-39546284. UDFj-39546284 had all the properties expected of a gal…
A physical model for the 0 < z < 8 redshift evolution of the galaxy UV luminosity and stellar mass functions
Sandro Tacchella, Michele Trenti, C. Marcella Carollo
We present a model to understand the redshift evolution of the UV luminosity and stellar mass functions of Lyman Break Galaxies. Our approach is based on the assumption that the lu…
Constraints on the Ionizing Efficiency of the First Galaxies
Marcelo A. Alvarez, Kristian Finlator, Michele Trenti
Observations of the Lyman-alpha forest and of high-redshift galaxies at z~5-10 imply that there were just enough photons to maintain the universe in an ionized state at z~5-6, indi…
The Spectral Energy Distributions Of z~8 Galaxies From The IRAC Ultra Deep Fields: Emission Lines, Stellar Masses, And Specific Star Formation Rates At 650 Myr
I. Labbe, P. A. Oesch, R. J. Bouwens +8
Using new ultradeep Spitzer/IRAC photometry from the IRAC Ultradeep Field program (IUDF), we investigate the stellar populations of a sample of 63 Y-dropout galaxy candidates at z~…
The stellar mass structure of massive galaxies from z=0 to z=2.5; surface density profiles and half-mass radii
Daniel Szomoru, Marijn Franx, Pieter G. van Dokkum +4
We present stellar mass surface density profiles of a mass-selected sample of 177 galaxies at 0.5 < z < 2.5, obtained using very deep HST optical and near-infrared data over the GO…