850 wide visual binaries orbital param.
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Based on positional observations and measurements of radial velocities, the orbits of 850 wide visual double stars have been determined. The parameters of the log-normal...
基于位置观测与视向速度测量数据，本研究已确定850颗宽视双星（wide visual double stars）的轨道。对数正态（log-normal）分布的参数……
