A Large Targeted Survey for z < 1.6 Damped Lyman Alpha Lines in SDSS QSO MgII-FeII Systems

Details A Large Targeted Survey for z < 1.6 Damped Lyman Alpha Lines in SDSS QSO MgII-FeII Systems A Large Targeted Survey for z < 1.6 Damped Lyman Alpha Lines in SDSS QSO MgII-FeII Systems

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002hst..prop.9382r&link_type=abstract

HST Proposal ID #9382

Computer Science

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Hst Proposal Id #9382

Scientific paper

We have searched the first public release of SDSS QSO spectra for low-z {z<1.65} metal absorption lines and found over 200 large rest equivalent width MgII-FeII systems. Previously, we empirically showed that such systems are good tracers of large neutral gas columns, with 50% being classical damped Lyman alpha {DLA} systems {N_HI>=2*10^20 cm^-2}. Here we propose to follow up a well-defined subset of 79 of them to search for DLAs with 0.47

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