Clustering of QSO Absorbers, and its Evolution, on Megaparsec Scales

Session 116 - Large Scale Structure.
Oral session, Thursday, January 16
Piers 4/5,

[116.07] Clustering of QSO Absorbers, and its Evolution, on Megaparsec Scales

D. G. York, D. E. Vanden Berk, J. M. Quashnock (U. Chicago)

We analyze the correlation function of QSO absorbers on intermediate scales (from 1 to about 20 comoving Mpc), using an extensive catalog of heavy--element QSO absorption line systems. We find that the correlation function is quite similar in form to that of normal galaxies. We trace the evolution of the correlation function, for redshifts z\sim 3 and less, and discuss the implications for cosmology and growth of structure via gravitational instability.

Program listing for Thursday