Hyper Spectral Range Index: Detection and quantification of H 2 O vapor in the Martian atmosphere with PFS/MEx

Key Points

• H2O vapor detection was confirmed, providing insights into Martian atmospheric conditions.
• The hyper spectral range index facilitated the quantification of H2O vapor levels observed on Mars.
• Analysis using spectroscopy data obtained from the Planetary Fourier Spectrometer aboard Mars Express.
• Findings highlight the relevance of Martian water vapor in understanding planetary habitability and climate.