The ionized and hot gas in M17 SW - SOFIA/GREAT THz observations of [C II] and 12CO J = 13–12J. P. Pérez-Beaupuits, H. Wiesemeyer, V. Ossenkopf, J. Stutzki, R. Güsten, R. Simon, H.-W. Hübers and O. RickenA&A, 542 (2012) L13DOI: https://doi.org/10.1051/0004-6361/201218929