Fig. 14.
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Top: diagnostic diagram comparing the [Fe II] λ1.257 μm/Paβ and H2λ2.121 μm/Brγ line ratios for CEERS galaxies in the redshift range 1 < z < 1.4 with detection of either H2 or Brγ. The black dashed lines represent the separation lines to distinguish among star-forming sources, AGN, and LINERs, according to Rodríguez-Ardila et al. (2005). Bottom: [Fe II] λ1.64 μm/Brγ vs H2λ2.121 μm/Brγ diagram (Colina et al. 2015) for the same sample.
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