Fig. 1.

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H160 magnitudes vs effective radius of spectroscopic passive galaxies in the JKCS 041 field of view. Dashed lines indicate the locus of points with identical surface brightness within the effective radius in mag arcsec−2 (assuming the redshift of the cluster). The filled symbols indicate galaxies with constraints on metallicity and age gradients described in the text. The arrows indicate galaxies with an unknown effective radius.
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