Spectroscopy of YSOs in Serpens molecular cloud

We report on the results of an optical spectroscopic survey designed to confirm the youth and determine the spectral types among a sample of young stellar object (YSO)...本研究报道了一项光学光谱巡天的观测结果，该巡天旨在确认样本中年轻恒星天体（Young Stellar Object, YSO）的年轻属性，并测定其光谱型。