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Fig. 18

image

Upper panel: example for poor continuum reproduction by the classical method (colour coding as in Fig. 17). Although the prominent CO2 absorption feature is well corrected by both methods, significant variations in the continuum are visible in the spectrum corrected by the classical method. Intrinsic object lines redwards of 2 μm are well reconstructed by both methods. Lower panel: relative residuals of the corrected spectra when object lines are excluded from the fit in region #5 (blue areas in upper panel).

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