PDRs4All. XII. FUV-driven formation of hydrocarbon radicals and their relation with PAHs

J. R. Goicoechea, J. Pety, S. Cuadrado +25

We present subarcsecond-resolution ALMA mosaics of the Orion Bar PDR in [CI] 609um, C2H (4-3), and C18O (3-2) emission lines complemented by JWST images of H2 and aromatic infrared…