SOHO SWAN Lyα Models Supporting LRO LAMP: 2008–2023 - Faculté des Sciences de Sorbonne Université
Journal Articles The Planetary Science Journal Year : 2024

SOHO SWAN Lyα Models Supporting LRO LAMP: 2008–2023

Abstract

The Lunar Reconnaissance Orbiter Lyman-Alpha Mapping Project (LAMP) has been mapping the Moon since its launch in 2009. Faint ultraviolet illumination of the lunar dark side includes light from stars and from hydrogen Lyα emissions, mostly attributed to sunlight scattered by hydrogen atoms near the Sun with a smaller contribution from the whole Galaxy. Models of the lunar illumination by time-dependent Lyα photons have allowed the LAMP team to map polar shadowed craters suspected of harboring water ice and other volatiles. This paper describes the model that provides daily all-sky Lyα maps tuned by comparisons with all-sky Lyα maps from the SOlar and Heliospheric Observatory Solar Wind ANisotropy Experiment stationed at the Sun-Earth L1 point.

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insu-04716689 , version 1 (01-10-2024)

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Wayne R Pryor, W Kent Tobiska, Kurt D Retherford, Cesare Grava, Anthony Egan, et al.. SOHO SWAN Lyα Models Supporting LRO LAMP: 2008–2023. The Planetary Science Journal, 2024, 5 (9), pp.210. ⟨10.3847/psj/ad7502⟩. ⟨insu-04716689⟩
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