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@article{Paranicas:2022:10.1029/2022GL098077,
author = {Paranicas, C and Mauk, B and Kollmann, P and Clark, G and Haggerty, D and Westlake, J and Liuzzo, L and Masters, A and Cassidy, T and Bagenal, F and Bolton, S},
doi = {10.1029/2022GL098077},
journal = {Geophysical Research Letters},
title = {Energetic charged particle fluxes relevant to Ganymede's polar region},
url = {http://dx.doi.org/10.1029/2022GL098077},
volume = {49},
year = {2022}
}
TY - JOUR
AB - The JEDI instrument made measurements of energetic charged particles near Ganymede during a close encounter with that moon. Here we find ion flux levels are similar close to Ganymede itself but outside its magnetosphere and on near wake and open field lines. But energetic electron flux levels are more than a factor of 2 lower on polar and near-wake field lines than on nearby Jovian field lines at all energies reported here. Flux levels are relevant to the weathering of the surface, particularly processes that affect the distribution of ice, since surface brightness has been linked to the open-closed field line boundary. For this reason, we estimate the sputtering rates expected in the polar regions due to energetic heavy ions. Other rates, such as those related to radiolysis by plasma and particles that can reach the surface, need to be added to complete the picture of charged particle weathering.
AU - Paranicas,C
AU - Mauk,B
AU - Kollmann,P
AU - Clark,G
AU - Haggerty,D
AU - Westlake,J
AU - Liuzzo,L
AU - Masters,A
AU - Cassidy,T
AU - Bagenal,F
AU - Bolton,S
DO - 10.1029/2022GL098077
PY - 2022///
SN - 0094-8276
TI - Energetic charged particle fluxes relevant to Ganymede's polar region
T2 - Geophysical Research Letters
UR - http://dx.doi.org/10.1029/2022GL098077
UR - http://hdl.handle.net/10044/1/97331
VL - 49
ER -