Spectroscopy in lens fields

We present the first results from our spectroscopic survey of strong gravitational lens environments. Six of the eight lens galaxies in our sample belong to a poor group of...本研究报道了我们针对强引力透镜环境开展的光谱巡天的首批结果。本研究样本中的8个透镜星系中，有6个隶属于一个贫星系群（poor group）……