Fig. C.2
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K-band spectrum of G2/DSO observed with ERIS in 2024. The grey spectrum represents the extracted data from the IFU cube, the blue one is corrected for the continuum slope using an Asymmetric Least Squares fit. The zoomed-in box depicts the spectral region around the Doppler-shifted peak. The Gaussian fit compared to the continuum results in a S/N of 4.3.
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