230GHz VLBI observations of M87

We report on 230GHz (1.3mm) very long baseline interferometry (VLBI) observations of M87 with the Event Horizon Telescope using antennas on Mauna Kea in Hawaii, Mt. Graham in...本研究报道了利用事件视界望远镜（Event Horizon Telescope）对M87开展的230吉赫兹（1.3毫米）甚长基线干涉测量（Very Long Baseline Interferometry, VLBI）观测，该观测使用了位于夏威夷莫纳克亚山、格雷厄姆山的天线。