QSOs narrow absorption line variability

We present the results from a time domain study of absorption lines detected in quasar spectra with repeat observations from the Sloan Digital Sky Survey Data Release 7 (SDSS...本研究展示了利用斯隆数字巡天第7次数据发布（Sloan Digital Sky Survey Data Release 7，SDSS）的重复观测数据，对类星体光谱中探测到的吸收线开展时域研究所得到的结果