Spitzer Observations of M33 and the Hot Star, H II Region Connection

Robert H. Rubin, Janet P. Simpson, Sean W. J. Colgan +7

We have observed emission lines of [S IV] 10.51, H(7-6) 12.37, [Ne II] 12.81, [Ne III] 15.56, and [S III] 18.71 um in a number of extragalactic H II regions with the Spitzer Space…