Optical spectroscopy of {rho} Oph stars

We present the results of optical spectroscopy of 139 stars obtained with the Hydra multiobject spectrograph. The objects extend over a 1.3{deg}^2^ area surrounding the main...我们展示了利用海德拉（Hydra）多目标摄谱仪获取的139颗恒星的光学光谱学观测结果。这些天体分布在主目标周围1.3平方度的天区范围内……