Figure 4 from Spitzer-IRS Study of the Antennae Galaxies NGC 4038/39

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Spitzer-IRS Study of the Antennae Galaxies NGC 4038/39

Authors: B. R. Brandl, L. Snijders, M. den Brok, D. G. Whelan, B. Groves, P. van der Werf, V. Charmandaris, J. D. Smith, L. Armus, R. C. Kennicutt, Jr., and J. R. Houck

BRANDL et al. 2009 The Astrophysical Journal 699 1982.

Provider: AAS Journals

Caption: Figure 4.

IRS-SL spectral maps at the [Ne ii] and [S iv] lines (top), the 11.3 μm and 8.6 μm PAH features (center), and the S(2) and S(3) rotational lines of H ₂. The spectral continuum has been subtracted and the images shown represent the pure line intensities. The maps are shown in linear scaling. North is up and east is left. The images are approximately 135'' (14.4 kpc) aside. For a discussion see Section 4.4.

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