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A candidate redshift z ~ 10 galaxy and rapid changes in that population at an age of 500 Myr
R. J. Bouwens, G. D. Illingworth, I. Labbe +9
Searches for very-high-redshift galaxies over the past decade have yielded a large sample of more than 6,000 galaxies existing just 900-2,000 million years (Myr) after the Big Bang…
Star formation rates and stellar masses of z=7-8 galaxies from IRAC observations of the WFC3/IR ERS and the HUDF field
I. Labbe, V. Gonzalez, R. J. Bouwens +9
We investigate the Spitzer/IRAC properties of 36 z~7 z-dropout galaxies and 3 z~8 Y-dropout galaxies derived from deep/wide-area WFC3/IR data of the Early Release Science, the ultr…
Ultradeep Infrared Array Camera Observations of sub-L* z~7 and z~8 Galaxies in the Hubble Ultra Deep Field: the Contribution of Low-Luminosity Galaxies to the Stellar Mass Density and Reionization
I. Labbe, V. Gonzalez, R. J. Bouwens +9
We study the Spitzer Infrared Array Camera (IRAC) mid-infrared (rest-frame optical) fluxes of 14 newly WFC3/IR-detected z=7 z_{850}-dropout galaxies and 5 z=8 Y_{105}-dropout galax…
The Stellar Mass Density and Specific Star Formation Rate of the Universe at z~7
Valentino Gonzalez, Ivo Labbe, Rychard J. Bouwens +4
We use a robust sample of 11 z~7 galaxies (z-dropouts) to estimate the stellar mass density of the universe when it was only ~750 Myr old. We combine the very deep optical to near-…
Discovery of z~8 Galaxies in the HUDF from ultra-deep WFC3/IR Observations
R. J. Bouwens, G. D. Illingworth, P. A. Oesch +8
We utilize the newly-acquired, ultra-deep WFC3/IR observations over the HUDF to search for star-forming galaxies at z~8-8.5, only 600 million years from recombination, using a Y_{1…