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American Astronomical Society, Astrophysical Journal, 2(760), p. 108, 2012

DOI: 10.1088/0004-637x/760/2/108

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The BRIGHTEST OF REIONIZING GALAXIES SURVEY: CONSTRAINTS ON THE BRIGHT END OF THEz∼ 8 LUMINOSITY FUNCTION

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

We report the discovery of 33 Lyman break galaxy (LBG) candidates at z~8 detected in Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3) imaging as part of the Brightest of Reionizing Galaxies (BoRG) pure-parallel survey. The ongoing BoRG survey currently has the largest area (274 arcmin^2) with Y_098 (or Y_105), J_125, and H_160 band coverage needed to search for z~8 galaxies, about three times the current CANDELS area, and slightly larger than what will be the final CANDELS wide component with Y_105 data. Our sample of 33 relatively bright Y_098-dropout galaxies have J_125 band magnitudes between 25.5 and 27.4 mag. This is the largest sample of bright (J_125