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Fig. 7


Distributions of the residuals in the recovered atmospheric parameters (Δθ = θrecθreal) for a subsample of cool random spectra with GRVS = 8.4, 10.3, and 12.6 (i.e. S/N values of 350, 125, and 20, from top to bottom, respectively) and defined by 4000 <Teff< and 8000 K. The different colours represent the different tested methods: FERRE, ANN, and MATISSEG in red, green and blue, respectively.

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