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Comment on low energy electron measurements in the Jovian magnetosphere
Author(s) -
Grard R. J. L.,
DeForest S. E.,
Whipple E. C.
Publication year - 1977
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl004i006p00247
Subject(s) - jovian , magnetosphere , electron , physics , jupiter (rocket family) , spacecraft , photoelectric effect , spacecraft charging , astrobiology , atomic physics , van allen radiation belt , astronomy , planet , nuclear physics , saturn , plasma , optics
We suggest that the low energy electrons reported by Intriligator and Wolfe (1974) in the outer magnetosphere of Jupiter may actually be photoelectrons and/or secondary electrons from the Pioneer spacecraft surfaces. The electron spectrum is similar to the observed photoelectron spectrum on earth‐orbiting satellites where differentially charged surfaces have deflected the electrons into particle detectors.