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Astrophysics and Astronomy

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Smith College

Astronomy: Faculty Publications

2011

Galaxies: high-redshift

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Full-Text Articles in Physical Sciences and Mathematics

The Vlt Lbg Redshift Survey- Ii. Interactions Between Galaxies And The Igm At Z ~ 3, N. H.M. Crighton, R. Bielby, T. Shanks, L. Infante, C. G. Bornancini, N. Bouché, D. G. Lambas, James D. Lowenthal, D. Minniti, S. L. Morris, N. Padilla, C. Péroux, P. Petitjean, T. Theuns, P. Tummuangpak, P. M. Weilbacher, L. Wisotzki, G. Worseck Jan 2011

The Vlt Lbg Redshift Survey- Ii. Interactions Between Galaxies And The Igm At Z ~ 3, N. H.M. Crighton, R. Bielby, T. Shanks, L. Infante, C. G. Bornancini, N. Bouché, D. G. Lambas, James D. Lowenthal, D. Minniti, S. L. Morris, N. Padilla, C. Péroux, P. Petitjean, T. Theuns, P. Tummuangpak, P. M. Weilbacher, L. Wisotzki, G. Worseck

Astronomy: Faculty Publications

We have measured redshifts for 243 z≈ 3 quasars in nine Very Large Telescope (VLT) Visible Imaging and Multi-Object Spectrograph (VIMOS) Lyman-break galaxy (LBG) redshift survey areas, each of which is centred on a known bright quasar. Using the spectra of these quasars, we measure the cross-correlation between neutral hydrogen gas causing the Lyα forest and 1020 LBGs at z≈ 3. We find an increase in neutral hydrogen absorption within ≈5h Mpc of a galaxy in agreement with the results of Adelberger et al. The Lyα-LBG cross-correlation can be described by a power law on scales larger than 3h Mpc. …