Fig. A.3
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Regions in the near-IR spectra used to select the LBL lines to study the chromaticity of the SPIRou RVs. Upper panel: Theoretical PHOENIX medium resolution models of stellar atmospheres with Teff = 3400 and 3000 K in the SPIRou wavelength range. Lower panel: Flux ratio of the atmosphere models of the upper panel. The regions highlighted in light green are the high-contrast flux ratio regions used for filtering the LBL RV measurements.
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