Articles | Volume 39, issue 2
Ann. Geophys., 39, 289–308, 2021
Ann. Geophys., 39, 289–308, 2021

Regular paper 12 Mar 2021

Regular paper | 12 Mar 2021

Magnetosheath jet evolution as a function of lifetime: global hybrid-Vlasov simulations compared to MMS observations

Minna Palmroth et al.

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Subject: Magnetosphere & space plasma physics | Keywords: Magnetosheath
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Cited articles

Archer, M. O. and Horbury, T. S.: Magnetosheath dynamic pressure enhancements: occurrence and typical properties, Ann. Geophys., 31, 319–331,, 2013. a, b, c, d, e, f, g, h, i, j, k, l
Archer, M. O., Horbury, T. S., and Eastwood, J. P.: Magnetosheath pressure pulses: Generation downstream of the bow shock from solar wind discontinuities, J. Geophys. Res.-Space, 117, A05228,, 2012. a
Archer, M. O., Hietala, H., Hartinger, M. D., Plaschke, F., and Angelopoulos, V.: Direct observations of a surface eigenmode of the dayside magnetopause, Nat. Commun., 10, 615,, 2019. a
Battarbee, M. and the Vlasiator team: Analysator: python analysis toolkit, Zenodo,, 2020. a
Battarbee, M., Ganse, U., Pfau-Kempf, Y., Turc, L., Brito, T., Grandin, M., Koskela, T., and Palmroth, M.: Non-locality of Earth's quasi-parallel bow shock: injection of thermal protons in a hybrid-Vlasov simulation, Ann. Geophys., 38, 625–643,, 2020. a, b
Short summary
Magnetosheath jets are high-velocity features within the Earth's turbulent magnetosheath, separating the Earth's magnetic domain from the solar wind. The characteristics of the jets are difficult to assess statistically as a function of their lifetime because normally spacecraft observe them only at one position within the magnetosheath. This study first confirms the accuracy of the model used, Vlasiator, by comparing it to MMS spacecraft, and then carries out the first jet lifetime statistics.