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Fig. 2.

Two normalized resampled MARCS spectra with the same Teff = 3700 K at a metallicity of −0.75, but for different surface gravities of 4.5 (HSG) and 0.0 (LSG). The LSG target shows a humped spectral feature around 1.6 μm (H-bump). The approximate wavelength ranges of JHKS filters are shown as different shades.
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