Accurate positions of 2978 SBS objects

Optical positions of 2978 objects listed in the Second Byurakan Survey (SBS) were obtained using the Digitized Sky Survey (DSS), and are given with an rms un certainty ~1 arcsec...本研究通过数字化巡天（Digitized Sky Survey, DSS）获取了第二比约克坎巡天（Second Byurakan Survey, SBS）中2978个天体的光学位置，该批位置数据的测量均方根（root mean square, rms）不确定度约为1角秒。