Earth's atmosphere empiral effective height versus wavelength (970-2500 nm)
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Earth's atmosphere empiral effective height versus wavelength (970-2500 nm). Each txt file providing the effective height spectrum has two columns:1st col is the wavelength, in nm.2nd col is the effective height, in km.The file has 124,890 rows: One line for the header and 124,889 values of wavelength. Wavelength is the native SPIRou wavelength grid, spectral resolution is approx. 70k.The spectra are shown Fig. 13 of the paper. Spectrum obtained with the 1-spectrum method (Eq. 2), astrometric approach.The arbitrary reference height is 12.7 km at 1565.4 nm. Spectrum obtained with the 2-spectrum method (Eq. 9), astrometric approach.The arbitrary reference height is 12.7 km at 1005.5 nm. Reference paper to appear in Astronomy and Astrophysics Arnold et al. 2026.



