Ion variability at 67P during perihelion: cross-comparison between ROSINA/DFMS and RPC dataset - Archive ouverte HAL Access content directly
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Ion variability at 67P during perihelion: cross-comparison between ROSINA/DFMS and RPC dataset

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1
A. Beth
  • Function : Author
K. Altwegg
  • Function : Author
E. Behar
  • Function : Author
J. L. Burch
  • Function : Author
C. Carr
A. Eriksson
  • Function : Author
M. Galand
  • Function : Author
C. Goetz
K. Heritier
  • Function : Author
H. Nilsson
  • Function : Author
E. Odelstad
  • Function : Author
I. Richter
  • Function : Author
M. Rubin
  • Function : Author

Abstract

We propose here a cross-comparison between the observations performed by the mass spectrometer ROSINA/DFMS, which has probed the ion composition during perihelion, and the data from the five RPC sensors which have provided the plasma properties: magnetic field, ion/electron energy, spacecraft potential. The first results have revealed that there is a strong correlation between the ion count rate and composition from ROSINA/DFMS and the spacecraft potential, which affects strongly the measurements. Also, thanks to RPC/MAG, we were able to identify diamagnetic crossings. At these times, we observed a strong increase in the ion count rate from ROSINA/DFMS. We will show further comparisons with other sensors from RPC like IES and ICA.
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Dates and versions

insu-03568104 , version 1 (12-02-2022)

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Attribution - CC BY 4.0

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A. Beth, K. Altwegg, E. Behar, J. L. Burch, C. Carr, et al.. Ion variability at 67P during perihelion: cross-comparison between ROSINA/DFMS and RPC dataset. European Planetary Science Congress 2017, Sep 2017, Riga Latvia, Latvia. ⟨insu-03568104⟩
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