AAS 205th Meeting, 9-13 January 2005
Session 99 The Extragalactic ISM
Poster, Wednesday, January 12, 2005, 9:20am-6:30pm, Exhibit Hall

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[99.01] A Comparison of Optical and Infrared Emission Line Ratios in Extragalactic HII Regions

L. V. Jones, G. Lamichhane, A. Thompson (Wabash College), C. Wilks, D. Monsour, B. Miller, M. Higgens (Gettysburg College)

We present optical and infrared hydrogen emisison line ratios for several hundred HII regions in NGC 6946, NGC 2403, and NGC 300. These ratios were determined using narrow band images of these galaxies.

The purpose of this project was to investigate whether the infrared emission lines observed are concistent with Case B recombination theory. The results of this investigation will be presented along with a comparison to Case C recombination theory.

The author(s) of this abstract have provided an email address for comments about the abstract: jonesl@wabash.edu

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Bulletin of the American Astronomical Society, 36 5
© 2004. The American Astronomical Society.