SDSS QSOs at z<0.8. II. New spectroscopic obs.
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We present new spectroscopic observations that are part of our continuing monitoring campaign of 88 quasars at z<0.7 whose broad H{beta} lines are offset from their systemic...
本文报道了新的光谱观测数据，该数据隶属于我们针对88颗红移z<0.7的类星体开展的持续监测项目，此类星体的宽Hβ谱线与其系统红移存在偏移……
