Slow-mode shock candidate in the Jovian magnetosheath

Z. Bebesi, K. Szego, A. Balogh, N. Krupp, G. Erdos, A. M. Rymer, G. R. Lewis, W. S. Kurth, D. T. Young, M. K. Dougherty

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Abstract

We discuss some interesting plasma observations in the Jovian magnetosheath by the onboard plasma instruments of the Cassini spacecraft during the 2000-2001 Jupiter flyby. We propose that the observations are consistent with a slow-mode shock transition. In the terrestrial magnetosheath, a number of observations have been made that are consistent with slow-mode waves or shocks. In addition, a number of observations have established that, at least occasionally, slow-mode structures form at the plasma sheet-lobe boundary in the terrestrial magnetotail, related to X lines associated with reconnection. There has been only one previously reported observation of a slow-mode shock-like transition in the Jovian plasma environment. This observation was made in the dayside magnetosheath. The observation we report here was made well downstream of the magnetosphere in Jupiter's magnetosheath, at local time ∼19:10. For our analysis we have used the data from the Cassini Plasma Spectrometer (CAPS) the Magnetospheric Imaging Instrument (MIMI) and the Magnetometer (MAG). The bow shock crossings observed by Cassini ranged downstream to -600 RJ from the planet.

Original languageEnglish
Pages (from-to)807-813
Number of pages7
JournalPlanetary and Space Science
Volume58
Issue number5
DOIs
Publication statusPublished - Apr 1 2010

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Keywords

  • Jupiter
  • Magnetohydrodynamics
  • Shock waves
  • Slow-mode shocks

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Bebesi, Z., Szego, K., Balogh, A., Krupp, N., Erdos, G., Rymer, A. M., Lewis, G. R., Kurth, W. S., Young, D. T., & Dougherty, M. K. (2010). Slow-mode shock candidate in the Jovian magnetosheath. Planetary and Space Science, 58(5), 807-813. https://doi.org/10.1016/j.pss.2009.12.008