Gaussian-fitting resulting parameters for the Pa_β line of GSC06214b. Left: correlations between intrinsic FWHM and the line peak location µ₀, arrows represent an upper limit on the intrinsic FWHM. Right: correlations between the Pa_β line flux and the line peak location µ₀. The intrinsic FWHM is computed as the square root of the quadratic difference between the measured line FWHM and the LSF FWHM. The µ₀ parameter is relative to the line expected wavelength in vacuum (1.2821578 µm).