Neutral carbon and highly excited CO in a massive star-forming main sequence galaxy at z = 2.2 Drew Brisbin, Manuel Aravena, Emanuele Daddi, Helmut Dannerbauer, Roberto Decarli, Jorge González-López, Dominik Riechers and Jeff Wagg A&A, 628 (2019) A104 Published online: 13 August 2019 DOI: 10.1051/0004-6361/201935148