APEX observations of HOPS protostars

We perform a census of the reddest, and potentially youngest, protostars in the Orion molecular clouds using data obtained with the PACS instrument on board the Herschel Space...我们利用赫歇尔空间搭载的光探测器阵列相机与光谱仪（PACS）获取的观测数据，对猎户座分子云中最红且可能为最年轻的原恒星开展了巡天普查工作。