Figure 6 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 6.

[Ne iii]/[Ne ii] ratio as a function of the merger stage for GOALS sources. The red filled circles are the median values of the [Ne iii]/[Ne ii] ratios within each merger stage. All of the merger stages are classified by visual identification using the HST/ACS B- and I-band imaging data for the objects with log ( L _IR/ L _☉) > 11.4 following Haan et al. (2011) and the IRAC imaging data for the rest of objects (Stierwalt et al. 2013).

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