Astrometric measurements of HD 143275

The highly eccentric Be binary system {delta} Sco reached periastron during early 2011 July, when the distance between the primary and secondary was a few times the size of the...高偏心率Be双星系统δ天蝎座（delta Sco）于2011年7月初到达近星点，此时其主星与伴星之间的距离约为……的数倍。