Physical conditions of molecular gas in the Circinus galaxy: Multi-J CO and CI 1-0 observations

Zhi-Yu Zhang, Christian Henkel, Yu Gao +6

We report mapping observations of the ${}^{12}$CO $J=3-2$, $4-3$, $6-5$, and $7-6$ transitions and the CI 492 GHz transition toward the central 40${}^{\prime \prime }\times$40${}^{\prime \prime }$ region of the Circi…