Fig. 7
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S-PLUS photometry and SDSS spectra of three QSOs with redshifts of 1.359, 2.454, and 3.280 (from top to bottom) selected as Hα excess sources. At these redshifts, the emission lines Mg II λ2799, C III] λ1909 and C IV λ1551 are detected in the J0660 filter. The SDSS IDs of the sources are J235157.58+003610.5, J220529.34-003110.7, and J224539.94-002419.6.
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