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Fig. 13.

image

Diagnostic diagram with the NIR emission line ratios H2(1–0)S(1)λ2.122 μm/Brγ and [Fe II]λ1.644 μm/Brγ. Apertures in the circumnuclear ring are shown in blue circles and apertures from the region within the ring in green triangles. Contours denote regions for young star formation, supernovae, and compact AGNs, while solid lines denote upper limits for young star formation and AGNs, both derived from integral-field spectroscopy data (Colina et al. 2015). Dashed lines denote upper limits for star formation and AGN derived from slit-spectroscopy (Riffel et al. 2013a).

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