Evidence for environmental effects in the $z=4.3$ protocluster core SPT2349$-$56

Chayce Hughes, Ryley Hill, Scott Chapman +16

We present ALMA observations of the [CI] 492 and 806GHz fine-structure lines in 25 dusty star-forming galaxies (DSFGs) at $z=4.3$ in the core of the SPT2349$-$56 protoclu…