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  Energetic neutral and charged particle measurements in the inner Saturnian magnetosphere during the Grand Finale orbits of Cassini 2016/2017

Krupp, N., Roussos, E., Kollmann, P., Mitchell, D. G., Paranicas, C. P., Krimigis, S. M., et al. (2018). Energetic neutral and charged particle measurements in the inner Saturnian magnetosphere during the Grand Finale orbits of Cassini 2016/2017. Geophysical Research Letters, 45(20), 10,847-10,854. doi:10.1029/2018GL078096.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-31DB-F Version Permalink: http://hdl.handle.net/21.11116/0000-0006-FD79-6
Genre: Journal Article

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 Creators:
Krupp, Norbert1, Author              
Roussos, Elias1, Author              
Kollmann, P., Author
Mitchell, D. G., Author
Paranicas, C. P., Author
Krimigis, S. M., Author
Hamilton, D. C., Author
Hedman, M. M., Author
Dougherty, M. K., Author
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              

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Free keywords: -
 MPIS_GROUPS: Planetary Plasmas
 MPIS_PROJECTS: CASSINI: MIMI
 MPIS_PROJECTS: CASSINI: LEMMS
 Abstract: We give an overview of the charged and neutral particle measurements during the Grand Finale of Cassini performed by the Magnetosphere Imaging Instrument MIMI onboard. The first in‐situ measurements of MeV particles between the D‐ring and the atmosphere of the planet showed protons with energies above 300 MeV with higher count rates when magnetically connected to the D‐ring which was less dense than expected while more material was present at the inner edge. The variability in the count rates was a combination of sensor look direction, pitch angle coverage, changes in the L‐range and latitude. Enhanced emissions of energetic neutral atoms ENA during ring current activity was detected and confirmed the existence of a low‐energy ion radiation belt discovered by Cassini in 2004. No detection of low‐energy ions was indicative of a source population from a region closer than 1800 km above the 1bar cloud level.

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Language(s): eng - English
 Dates: 2019-03-192018
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1029/2018GL078096
 Degree: -

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Title: Geophysical Research Letters
  Abbreviation : GRL
Source Genre: Journal
 Creator(s):
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Publ. Info: Washington, D.C. : American Geophysical Union
Pages: - Volume / Issue: 45 (20) Sequence Number: - Start / End Page: 10,847 - 10,854 Identifier: ISSN: 0094-8276
CoNE: https://pure.mpg.de/cone/journals/resource/954925465217