A spectroscopic survey for strong galaxy-galaxy lenses
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🌌 astro-ph
keywords
spectroscopicalphaemittinggalaxiesgalaxy-galaxylenseslyman-redshifts
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We present a spectroscopic survey for strong galaxy-galaxy lenses. Exploiting optimal sight-lines to massive, bulge-dominated galaxies at redshifts $z \sim 0.4$ with wide-field, multifibre spectroscopy, we anticipate the detection of 10-20 lensed Lyman-$\alpha$ emitting galaxies at redshifts $z \simgreat 3$ from a sample of 2000 deflectors. Initial spectroscopic observations are described and the prospects for constraining the emission-line luminosity function of the Lyman-$\alpha$ emitting population are outlined.
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