Optical counterparts in the NDWFS Bootes field

The XBootes Survey is a 5ks Chandra survey of the Bootes Field of the NOAO Deep Wide-Field Survey (NDWFS). This survey is unique in that it is the largest (9.3{deg}^2^)...XBootes巡天（XBootes Survey）是一项总曝光时长5千秒的钱德拉（Chandra）巡天项目，观测范围覆盖NOAO深宽场巡天（NOAO Deep Wide-Field Survey, NDWFS）划定的牧夫座天区。该巡天的独特之处在于它是目前规模最大的（9.3平方度）...