Spectroscopy of the foreground population in Orion A

We perform a spectroscopic survey of the foreground population in Orion A with MMT/Hectospec. We use these data, along with archival spectroscopic data and photometric data, to...我们利用多镜面望远镜（Multiple Mirror Telescope，MMT）搭载的Hectospec光谱仪，对猎户座A（Orion A）天区的前景星族开展光谱巡天研究。我们将使用这批观测数据，结合归档光谱数据与测光数据，以……