Bursty escape fluxes in plasma sheets of Mars and Venus

E. Dubinin; M. Fraenz; J. Woch; T. L. Zhang; J. Wei; A. Fedorov; S. Barabash; R. Lundin

doi:10.1029/2011GL049883

Bursty escape fluxes in plasma sheets of Mars and Venus

E. Dubinin^*
, M. Fraenz
, J. Woch
, T. L. Zhang
, J. Wei
, A. Fedorov
, S. Barabash
, R. Lundin

^*Corresponding author for this work

Max Planck Institute for Solar System Research
Austrian Academy of Sciences
Université de Toulouse
Swedish Institute of Space Physics

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

Abstract

High resolution measurements of plasma in the plasma sheets of Mars and Venus performed by almost identical plasma instruments ASPERA-3 on the Mars Express spacecraft and ASPERA-4 on Venus Express reveal similar features of bursty fluxes of escaping planetary ions. A period of bursts lasts about 1-2min. Simultaneous magnetic field measurements on Venus Express show that these burst-like features arise due to flapping motions of the plasma sheet. Their occurrence can be related to large-amplitude waves propagating on the plasma sheet surface and launched by reconnection in the magnetic tails.

Original language	English
Article number	L01104
Journal	Geophysical Research Letters
Volume	39
Issue number	1
DOIs	https://doi.org/10.1029/2011GL049883
State	Published - 1 Jan 2012
Externally published	Yes

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10.1029/2011GL049883

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abstract = "High resolution measurements of plasma in the plasma sheets of Mars and Venus performed by almost identical plasma instruments ASPERA-3 on the Mars Express spacecraft and ASPERA-4 on Venus Express reveal similar features of bursty fluxes of escaping planetary ions. A period of bursts lasts about 1-2min. Simultaneous magnetic field measurements on Venus Express show that these burst-like features arise due to flapping motions of the plasma sheet. Their occurrence can be related to large-amplitude waves propagating on the plasma sheet surface and launched by reconnection in the magnetic tails.",

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AU - Dubinin, E.

AU - Fraenz, M.

AU - Woch, J.

AU - Zhang, T. L.

AU - Wei, J.

AU - Fedorov, A.

AU - Barabash, S.

AU - Lundin, R.

PY - 2012/1/1

Y1 - 2012/1/1

N2 - High resolution measurements of plasma in the plasma sheets of Mars and Venus performed by almost identical plasma instruments ASPERA-3 on the Mars Express spacecraft and ASPERA-4 on Venus Express reveal similar features of bursty fluxes of escaping planetary ions. A period of bursts lasts about 1-2min. Simultaneous magnetic field measurements on Venus Express show that these burst-like features arise due to flapping motions of the plasma sheet. Their occurrence can be related to large-amplitude waves propagating on the plasma sheet surface and launched by reconnection in the magnetic tails.

AB - High resolution measurements of plasma in the plasma sheets of Mars and Venus performed by almost identical plasma instruments ASPERA-3 on the Mars Express spacecraft and ASPERA-4 on Venus Express reveal similar features of bursty fluxes of escaping planetary ions. A period of bursts lasts about 1-2min. Simultaneous magnetic field measurements on Venus Express show that these burst-like features arise due to flapping motions of the plasma sheet. Their occurrence can be related to large-amplitude waves propagating on the plasma sheet surface and launched by reconnection in the magnetic tails.

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DO - 10.1029/2011GL049883

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JO - Geophysical Research Letters

JF - Geophysical Research Letters

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Bursty escape fluxes in plasma sheets of Mars and Venus

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