Candidates for downstream jets at interplanetary shocks
- 1Department of Physics and Astronomy, Queen Mary University of London, London, U.K. (h.hietala@qmul.ac.uk)
- 2The Blackett Laboratory, Imperial College London, London, U.K.
- 3NASA Goddard Space Flight Center, Greenbelt, MD, U.S.A.
- 4Department of Physics and Astronomy, University of Turku, Turku, Finland
Localized dynamic pressure enhancements - jets - are regularly observed downstream of the Earth’s bow shock. They drive enhanced particle acceleration, larger amplitude magnetic field variations and reconnecting current sheets. Various shock simulations have also exhibited jets, suggesting that they are not unique to Earth.
In this study, we search for similar dynamic pressure pulses downstream of interplanetary shocks observed by the Wind spacecraft. We discuss how the jet selection criteria are adapted for such conditions. The interplanetary shocks where we have found jet candidates feature foreshock activity, a favourable condition for jet formation according to bow shock studies. We examine the properties of the candidate jets and compare them to those reported for magnetosheath jets. Widening the range of environments where downstream jets are observed can shed light on their dynamics and formation mechanisms.
How to cite: Hietala, H., Trotta, D., Wilson III, L., Fedeli, A., and Vuorinen, L.: Candidates for downstream jets at interplanetary shocks, EGU General Assembly 2023, Vienna, Austria, 23–28 Apr 2023, EGU23-12727, https://doi.org/10.5194/egusphere-egu23-12727, 2023.
