Fig. 2.
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Stellar modelling of the LR-B (top) and LR-VR (bottom) integrated spectra in the PSF region of NGC 4750. The red line shows the best fitting using PPXF, the green line shows the residuals of the fit, and the blue line is the final subtracted spectrum. The main emission and absorption lines are indicated with dashed vertical lines. Grey regions were masked during the fitting.
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