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Murphy (1), Joseph Tufts (3, Joshua Adams (1), Karl Gebhardt (1, Lei Hao (1, Martin M. Roth (11), Munich, Niv Drory (4), NJ, PA, Pasadena, Pennsylvania State University, Phillip MacQueen (3), Piscataway, Postdam, Ralf Bender (4, Ralf Kelzenberg (4), Robin Ciardullo (7), Rutgers University, Santa Barbara, Shanghai, Steven L. Finkelstein (8), Texas A&M University, TX, TX (3) McDonald Observatory, Ulrich Hopp (4, University of Texas at Austin, University Park","submitted_at":"2010-11-01T20:00:05Z","abstract_excerpt":"We study the escape of Ly-alpha photons from Ly-alpha emitting galaxies (LAEs) and the overall galaxy population using a sample of 99 LAEs at 1.9<z<3.8 detected through integral-field spectroscopy of blank fields by the HETDEX Pilot Survey. For 89 LAEs showing counterparts in deep broad-band images we measure the rest-frame UV luminosity and the UV slope, which we use to estimate E(B-V) under the assumption of a constant intrinsic UV slope for LAEs. 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