Cluster Formation Triggered by Filament Collisions in Serpens South

Fumitaka Nakamura, Koji Sugitani, Tomohiro Tanaka +24

The Serpens South infrared dark cloud consists of several filamentary ridges, some of which fragment into dense clumps. On the basis of CCS ($J_N=4_3-3_2$), HC${}_3$N ($J=5-4$), N$_2…