Kinetic temperatures of iron ions in the solar wind observed with STEREO∕PLASTIC

Bochsler, Peter; Lee, Martin A.; Karrer, Reto; Popecki, Mark A.; Galvin, Antoinette B.; Kistler, Lynn M.; Möbius, Eberhard; Farrugia, Charles J.; Kucharek, Harald; Simunac, Kristin D. C.; Blush, Lisa M.; Daoudi, Hagar; Wurz, Peter; Klecker, Berndt; Wimmer-Schweingruber, Robert F.; Thompson, Barbara; Luhmann, Janet G.; Jian, Lan K.; Russell, Christopher T. and Opitz, Andrea (2010). Kinetic temperatures of iron ions in the solar wind observed with STEREO∕PLASTIC. In: Twelfth International Solar Wind Conference. AIP Conference Proceedings: Vol. 1216 (pp. 257-260). American Institute of Physics 10.1063/1.3395850

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STEREO/PLASTIC provides detailed information on the three-dimensional velocity distributions of solar wind iron ions with a time resolution of 5 minutes. In general the distributions at 1 AU contain complicated structures showing persistence over several records, i.e., over intervals of up to 30 minutes, but no clear correlation of the properties of these distributions with the direction of the ambient magnetic field is evident. We have performed a statistical analysis using nearly 9000 observations. Iron ions follow the same trends as protons, alpha particles, and electrons: The ratio T⊥/T‖ seems to be limited by the ion cyclotron instability, whereas T‖/T⊥ is bounded by the firehose instability.

Item Type:

Conference or Workshop Item (Paper)


08 Faculty of Science > Physics Institute > Space Research and Planetary Sciences
08 Faculty of Science > Physics Institute

UniBE Contributor:

Bochsler, Peter, Daoudi, Hagar, Wurz, Peter


500 Science > 520 Astronomy
600 Technology > 620 Engineering


AIP Conference Proceedings


American Institute of Physics




Dora Ursula Zimmerer

Date Deposited:

14 Jun 2021 14:18

Last Modified:

05 Dec 2022 15:50

Publisher DOI:





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