Fig. 1.
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Comparison of the spectrum of 3I/ATLAS obtained with SALT and NOT against the reference spectrum reported by Seligman et al. (2025). Overlaid on the spectral data are the campaign-averaged g′r′i′z′ photometric fluxes observed with FTN. The D-type asteroid spectrum (DeMeo et al. 2009) is plotted for reference. All the datasets are normalized to 0.55 μm.
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