The Mass of Damped Lyman Alpha Systems at z 3: Cross-correlation with Lyman Break Galaxies

Details The Mass of Damped Lyman Alpha Systems at z 3: Cross-correlation with Lyman Break Galaxies The Mass of Damped Lyman Alpha Systems at z 3: Cross-correlation with Lyman Break Galaxies

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.9108c&link_type=abstract

American Astronomical Society Meeting 204, #91.08; Bulletin of the American Astronomical Society, Vol. 36, p.823

Astronomy and Astrophysics

Astronomy

Scientific paper

We present results from a multiple field survey for Lyman break galaxies (LBGs) associated with damped Lyman alpha systems (DLAs) at z 3. We investigate the clustering properties of LBGs with DLAs to measure the mass of typical z 3 DLAs in the context of CDM cosmology.
We obtained deep u'BVRI imaging of 9 quasar fields containing 10 known DLAs. LBG candidates that met theoretical color criteria were photometrically selected from these images to a spectroscopic magnitude limit of R < 25.5. Follow-up multislit spectroscopy of the LBG candidates has yielded 300 z 3 redshifts. We utilize these spectra to assess the efficiency of our photometric selection technique and to determine the DLA-LBG cross-correlation function.

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