Large scale mapping of [CI] and the [CI]-to-CO transition in $\rho$ Ophiuchus molecular cloud

Jifeng Xia, Ningyu Tang, Thomas G. Bisbas +10

Atomic carbon ([CI]) is a key species in the carbon chemistry of the interstellar medium (ISM). Using the Submillimeter Wave Astronomy Satellite (SWAS), we conducted a [CI](${}^3$P$_…