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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…
Spitzer Observations of M83 and the Hot Star, H II Region Connection
Robert H. Rubin, Janet P. Simpson, Sean W. J. Colgan +6
We have undertaken a program to observe emission lines of SIV 10.5, NeII 12.8, NeIII 15.6, & SIII 18.7 um in a number of extragalactic HII regions with the Spitzer Space Telescope.…
On the Measurement of Elemental Abundance Ratios in Inner Galaxy H II Regions
Janet P. Simpson, Robert H. Rubin, Sean W. J. Colgan +2
Although variations in elemental abundance ratios in the Milky Way Galaxy certainly exist, details remain uncertain, particularly in the inner Galaxy, where stars and H II regions…