The VLT VIMOS Lyman-break Galaxy Redshift Survey — First Results

Details The VLT VIMOS Lyman-break Galaxy Redshift Survey — First Results The VLT VIMOS Lyman-break Galaxy Redshift Survey — First Results

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011msngr.143...42s&link_type=abstract

The Messenger, vol. 143, p. 42-45

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We have completed the largest spectroscopic survey of Lyman-break galaxies (LBGs) at z ≈ 3, using the uniquely wide field of the VLT VIMOS multi-object spectrograph. The survey now contains about 2100 galaxy redshifts over the range 2 < z < 3.5 and is being used to investigate gas outflows from galaxies and large-scale structures at z ≈ 3. These results are having an immediate impact on theories of galaxy formation and producing new tests of the standard cosmological model. In particular, we find: further evidence from their clustering that LBGs may be the progenitors of spiral galaxies; new evidence for gas outflows from star-forming galaxies as required by theoretical galaxy formation models; and new evidence for gravitational infall of galaxies into clusters at a rate that is consistent with the standard cosmology.

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