Spectroscopy of 26 lensing cluster cores

We present results from a spectroscopic program targeting 26 strong-lensing cluster cores that were visually identified in the Sloan Digital Sky Survey (SDSS; Gladders et al....我们报道了一项针对26个强引力透镜星系团核心的光谱观测项目的结果，这些源是在斯隆数字巡天（Sloan Digital Sky Survey，SDSS；Gladders等人……）中通过目视识别得到的。