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The BOSS Emission-Line Lens Survey. III. : Strong Lensing of Ly$\alpha$ Emitters by Individual Galaxies

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(2016)cite arxiv:1604.01842Comment: 15 pages, 5 figures, submitted to the ApJ.

Abstract

We introduce the BOSS Emission-Line Lens Survey (BELLS) GALaxy-Ly$\alpha$ EmitteR sYstems (BELLS GALLERY) Survey, which is a Hubble Space Telescope program to image a sample of galaxy-scale strong gravitational lens candidate systems with high-redshift Ly$\alpha$ emitters (LAEs) as the background sources. The goal of the BELLS GALLERY Survey is to illuminate dark substructures in galaxy-scale halos by exploiting the small-scale clumpiness of rest-frame far-UV emission in lensed LAEs, and to thereby constrain the slope and normalization of the substructure mass function. In this paper, we describe in detail the spectroscopic strong-lens select…(more)

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