Ammonia observations of Planck cold cores

Single-pointing observations of NH_3_(1,1) and (2,2) were conducted toward 672 Planck Early Cold Cores (ECCs) using the Nanshan 26-m radio telescope. Out of these sources, a...研究团队利用南山26米射电望远镜，对672个普朗克早期冷核（Planck Early Cold Cores, ECCs）开展了NH₃(1,1)与(2,2)谱线的单指向观测。在上述源样本中，有……