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Photoelectrons in the Enceladus plume

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Photoelectrons in the Enceladus plume. / Coates, A. J.; Wellbrock, A.; Jones, Geraint H.; Waite, J. H.; Schippers, P.; Thomsen, M. F.; Arridge, C. S.; Tokar, R. L.

In: Journal of Geophysical Research: Space Physics, Vol. 118, No. 8, 08.2013, p. 5099-5108.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Coates, AJ, Wellbrock, A, Jones, GH, Waite, JH, Schippers, P, Thomsen, MF, Arridge, CS & Tokar, RL 2013, 'Photoelectrons in the Enceladus plume', Journal of Geophysical Research: Space Physics, vol. 118, no. 8, pp. 5099-5108. https://doi.org/10.1002/jgra.50495

APA

Coates, A. J., Wellbrock, A., Jones, G. H., Waite, J. H., Schippers, P., Thomsen, M. F., Arridge, C. S., & Tokar, R. L. (2013). Photoelectrons in the Enceladus plume. Journal of Geophysical Research: Space Physics, 118(8), 5099-5108. https://doi.org/10.1002/jgra.50495

Vancouver

Coates AJ, Wellbrock A, Jones GH, Waite JH, Schippers P, Thomsen MF et al. Photoelectrons in the Enceladus plume. Journal of Geophysical Research: Space Physics. 2013 Aug;118(8):5099-5108. https://doi.org/10.1002/jgra.50495

Author

Coates, A. J. ; Wellbrock, A. ; Jones, Geraint H. ; Waite, J. H. ; Schippers, P. ; Thomsen, M. F. ; Arridge, C. S. ; Tokar, R. L. / Photoelectrons in the Enceladus plume. In: Journal of Geophysical Research: Space Physics. 2013 ; Vol. 118, No. 8. pp. 5099-5108.

Bibtex

@article{6c7daa5c034b4373a7881abc715f76c9,
title = "Photoelectrons in the Enceladus plume",
abstract = "The plume of Enceladus is a remarkable plasma environment containing several charged particle species. These include cold magnetospheric electrons, negative and positive water clusters, charged nanograins, and magnetospheric photoelectrons produced from ionization of neutrals throughout the magnetosphere near Enceladus. Here we discuss observations of a population newly identified by the Cassini Plasma Spectrometer (CAPS) electron spectrometer instrumentphotoelectrons produced in the plume ionosphere itself. These were found during the E19 encounter, in the energetic particle shadow where penetrating particles are absent. Throughout E19, CAPS was oriented away from the ram direction where the clusters and nanograins are observed during other encounters. Plume photoelectrons are also clearly observed during the E9 encounter and are also seen at all other Enceladus encounters where electron spectra are available. This new population, warmer than the ambient plasma population, is distinct from, but adds to, the magnetospheric photoelectrons. Here we discuss the observations and examine the implications, including the ionization source these electrons provide.",
keywords = "Enceladus, photoelectrons, plume, ionosphere, Saturn, magnetosphere, IONOSPHERIC PHOTOELECTRONS, ELECTRON SPECTROMETER, MAGNETOSPHERE, PLASMA, SATURN, ATMOSPHERE, VENUS",
author = "Coates, {A. J.} and A. Wellbrock and Jones, {Geraint H.} and Waite, {J. H.} and P. Schippers and Thomsen, {M. F.} and Arridge, {C. S.} and Tokar, {R. L.}",
note = "Copyright 2013 American Geophysical Union. ",
year = "2013",
month = aug,
doi = "10.1002/jgra.50495",
language = "English",
volume = "118",
pages = "5099--5108",
journal = "Journal of Geophysical Research: Space Physics",
issn = "2169-9402",
publisher = "Blackwell Publishing Ltd",
number = "8",

}

RIS

TY - JOUR

T1 - Photoelectrons in the Enceladus plume

AU - Coates, A. J.

AU - Wellbrock, A.

AU - Jones, Geraint H.

AU - Waite, J. H.

AU - Schippers, P.

AU - Thomsen, M. F.

AU - Arridge, C. S.

AU - Tokar, R. L.

N1 - Copyright 2013 American Geophysical Union.

PY - 2013/8

Y1 - 2013/8

N2 - The plume of Enceladus is a remarkable plasma environment containing several charged particle species. These include cold magnetospheric electrons, negative and positive water clusters, charged nanograins, and magnetospheric photoelectrons produced from ionization of neutrals throughout the magnetosphere near Enceladus. Here we discuss observations of a population newly identified by the Cassini Plasma Spectrometer (CAPS) electron spectrometer instrumentphotoelectrons produced in the plume ionosphere itself. These were found during the E19 encounter, in the energetic particle shadow where penetrating particles are absent. Throughout E19, CAPS was oriented away from the ram direction where the clusters and nanograins are observed during other encounters. Plume photoelectrons are also clearly observed during the E9 encounter and are also seen at all other Enceladus encounters where electron spectra are available. This new population, warmer than the ambient plasma population, is distinct from, but adds to, the magnetospheric photoelectrons. Here we discuss the observations and examine the implications, including the ionization source these electrons provide.

AB - The plume of Enceladus is a remarkable plasma environment containing several charged particle species. These include cold magnetospheric electrons, negative and positive water clusters, charged nanograins, and magnetospheric photoelectrons produced from ionization of neutrals throughout the magnetosphere near Enceladus. Here we discuss observations of a population newly identified by the Cassini Plasma Spectrometer (CAPS) electron spectrometer instrumentphotoelectrons produced in the plume ionosphere itself. These were found during the E19 encounter, in the energetic particle shadow where penetrating particles are absent. Throughout E19, CAPS was oriented away from the ram direction where the clusters and nanograins are observed during other encounters. Plume photoelectrons are also clearly observed during the E9 encounter and are also seen at all other Enceladus encounters where electron spectra are available. This new population, warmer than the ambient plasma population, is distinct from, but adds to, the magnetospheric photoelectrons. Here we discuss the observations and examine the implications, including the ionization source these electrons provide.

KW - Enceladus

KW - photoelectrons

KW - plume

KW - ionosphere

KW - Saturn

KW - magnetosphere

KW - IONOSPHERIC PHOTOELECTRONS

KW - ELECTRON SPECTROMETER

KW - MAGNETOSPHERE

KW - PLASMA

KW - SATURN

KW - ATMOSPHERE

KW - VENUS

U2 - 10.1002/jgra.50495

DO - 10.1002/jgra.50495

M3 - Journal article

VL - 118

SP - 5099

EP - 5108

JO - Journal of Geophysical Research: Space Physics

JF - Journal of Geophysical Research: Space Physics

SN - 2169-9402

IS - 8

ER -