The Excitation and Metallicity of Galactic HII Regions from ISO-SWS Observations of Mid-Infrared Fine-Structure Lines

Details The Excitation and Metallicity of Galactic HII Regions from ISO-SWS Observations of Mid-Infrared Fine-Structure Lines The Excitation and Metallicity of Galactic HII Regions from ISO-SWS Observations of Mid-Infrared Fine-Structure Lines

2001-10-16

arxiv.org/abs/astro-ph/0110366v1

Astronomy and Astrophysics

Astrophysics

19 pages, 10 figures, Accepted by ApJ

Scientific paper

10.1086/344898

We present mid-infrared ISO-SWS observations of the fine-structure emissions lines [NeII]12.8, [NeIII]15.6, [NeIII]36, [ArII]6.9, [ArIII]8.9, [SIII]18.7, [SIII]33.5, [SIV]10.5, and the recombination lines Br_alpha and Br_beta, in a sample of 112 Galactic HII regions and 37 nearby extra-galactic HII regions in the LMC, SMC, and M33. The Galactic sources have a wide range in galactocentric distance (0

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