2000•Publications of The Yunnan ObservatotyRequires access
Quasar Absorption Lines
Bian Wei-hao
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Abstract
There are a lot of absorption lines in spectra of QSOs.They are produced in clouds related to QSOs themselves or intervening systems.Therefore,quasar absorption lines are important cosmological probes of formation and evolution of galaxies.The Properties of quasar absorption lines are introduced and the new progress in study of QSO absorption lines is reviewed.