Young binaries in Ophiuchus&Upper Centaurus-Lupus

We present measurements of the orbital positions and flux ratios of 17 binary and triple systems in the Ophiuchus star-forming region and the Upper Centaurus-Lupus cluster based...我们报道了基于[原文未完整给出后续内容]对蛇夫座恒星形成区（Ophiuchus star-forming region）及上半人马-豺狼座星团（Upper Centaurus-Lupus cluster）内17个双星与三合星系统的轨道位置与流量比的测量结果