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Damped Lyman Alpha Systems at z<1.65: The Expanded SDSS HST Sample
Sandhya M. Rao, David A. Turnshek, Daniel. B. Nestor
We present results of our HST Cycle 11 Survey for low-redshift (z<1.65) DLAs in the UV spectra of quasars selected from the SDSS Early Data Release. These quasars have strong inter…
The Metallicity - Kinematics Relation in Large-N(HI) Absorbers
David A. Turnshek, Sandhya M. Rao, Daniel B. Nestor +2
Sloan Digital Sky Survey (SDSS) quasar spectroscopy is yielding a database of strong low-ionization MgII absorbers over the redshift interval 0.36<z<2.28 which is over two orders o…
The star formation history of damped Lyman alpha absorbers
A. M. Hopkins, S. M. Rao, D. A. Turnshek
The local power law relationship between the surface densities of neutral hydrogen gas and star formation rate (SFR) can be used to explore the SFR properties of damped Lyman alpha…
Towards an Understanding of the Physical Nature of MgII Absorption Systems
D. B. Nestor, D. A. Turnshek, S. M. Rao
We discuss issues concerning the physical nature of intervening MgII quasar absorption systems in light of results from our recent surveys using SDSS EDR QSO spectra and data obtai…