Fig. 2.
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Diagnostic diagram obtained from line ratios, considering only emission lines with a rest frame wavelength of λ ≤ 3870Å for the 23 RGs with z > 0.4 (i.e., those for which the MUSE spectra include the [Ne V] line). The black filled diamonds are the HEGs, the diamonds surrounding a cross are the BLOs, and the red ones are the LEGs.
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