Chandra X-ray sources in LALA Cetus field

The 174ks Chandra Advanced CCD Imaging Spectrometer exposure of the Large Area Lyman Alpha Survey (LALA) Cetus field is the second of the two deep Chandra images on LALA fields....大视场莱曼α巡天（Large Area Lyman Alpha Survey，LALA）鲸鱼座天区的174千秒钱德拉（Chandra）先进CCD成像光谱仪（Advanced CCD Imaging Spectrometer）观测曝光数据，是LALA巡天天区中两组深度钱德拉观测图像中的第二组。