HI survey of AGNs

We have conducted a new Arecibo survey for HI emission for 113 galaxies with broad-line (type 1) active galactic nuclei (AGNs) out to recession velocities as high as ~35000km/s....我们针对113个拥有宽线（1型）活动星系核（AGNs）的星系开展了一项全新的阿雷西博（Arecibo）中性氢（HI）发射谱线巡天观测，这些星系的退行速度最高可达约35000km/s……