Diagnostic diagram in the NIR with line ratios log (H2(1−0)S(1) / Brγ) and log ([Fe ii] λ1.257 μm / Paβ) (for details see text). Apertures have a diameter corresponding to 3 × FWHM of the seeing. The positions of nine galaxies in the diagnostic diagram are shown. The lines indicate regions that are typically populated by starburst galaxies, AGNs, and LINERs resp. Dashed lines: Rodríguez-Ardila et al. (2005) and Riffel et al. (2010), dotted lines: Riffel et al. (2013).
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