Abundances and kinematics of a candidate sub-damped Lyman-alpha galaxy toward PHL 1226
The spectrum of the quasar PHL 1226 is known to have a strong Mg II and sub-damped Lyman-alpha (sub-DLA) absorption
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The spectrum of the quasar PHL 1226 is known to have a strong Mg II and sub-damped Lyman-alpha (sub-DLA) absorption
Abridged) In the SDSS, several unusual QSOs have been discovered that have very blue rest-frame UV spectra but no discernible
We report results from the spectral analysis of pointed ROSAT PSPC observations of six PG quasars and the weak-bump quasar