Figure 1 from Mid-infrared Atomic Fine-structure Emission-line Spectra of Luminous Infrared Galaxies: Spitzer/IRS Spectra of the GOALS Sample

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Mid-infrared Atomic Fine-structure Emission-line Spectra of Luminous Infrared Galaxies: Spitzer/IRS Spectra of the GOALS Sample

Authors: H. Inami, L. Armus, V. Charmandaris, B. Groves, L. Kewley, A. Petric, S. Stierwalt, T. Díaz-Santos, J. Surace, J. Rich, S. Haan, J. Howell, A. S. Evans, J. Mazzarella, J. Marshall, P. Appleton, S. Lord, H. Spoon, D. Frayer, H. Matsuhara, and S. Veilleux

Inami et al. 2013 The Astrophysical Journal 777 156.

Provider: AAS Journals

Caption: Figure 1.

Representative Spitzer IRS spectra of starburst- (top) and AGN- (bottom) dominated GOALS sources. Note the strong, high-ionization lines of [Ne v] and [S iv] in the bottom panels, along with the relatively weak PAH emission at 11.3 μm. NGC 3221 and IC 4687 have 6.2 μm PAH EQWs of 0.75 μm and 0.73 μm, respectively. NGC 1068 and MCG-03-34-064 have [Ne v]/[Ne ii] ratios of 1.96 and 1.10, respectively.

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