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Fig. 4.
Example of a SDSS green valley galaxy spectrum with three J-PLUS filter responses (F0395 in blue, F0410 in brown, and gSDSS in cyan). The F0395 and F0410 filters straddle the 4000 Å break region, whereas the Hδ, A absorption line (4102 Å) is right in the middle of the F0410 filter.
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