Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Luhman chọpụtakwara akụkụ nke abụọ nke usoro ahụ na 2013, ma kwupụta ya n'otu isiokwu ahụ dị ka nke mbụ. E jiri Gemini Multi-Object Spectrograph (GMOS) were onyonyo nchọpụta ya na i-band n'abalị nke 23 February 2013 na Gemini South telescope, Chile. A na-edozi ihe ndị mejupụtara usoro ahụ na anya nke 1.5 arcseconds, kwekọrọ na nkewa nke 3 AU, na nnukwu ọdịiche nke 0.45 mag.  Ajụjụ: Gịnị bụ ihe angular anya na components nke a usoro chọpụtara site Luhman na 2013?
1.5 arcseconds