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Ground-based infrared mapping of H₂O₂ on Mars near opposition

Aoki, S.; Daerden, F.; Neary, L. +12 more

We pursued our ground-based seasonal monitoring of hydrogen peroxide on Mars using thermal imaging spectroscopy, with two observations of the planet near opposition, in May 2016 (solar longitude Ls = 148.5°, diameter = 17 arcsec) and July 2018 (Ls = 209°, diameter = 23 arcsec). Data were recorded in the 1232-1242 cm^-1 range (8.1 µ…