Articles | Volume 39, issue 4
https://doi.org/10.5194/angeo-39-721-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-39-721-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Regular paper
| Highlight paper
| 
29 Jul 2021
Regular paper | Highlight paper |
| 29 Jul 2021
| 29 Jul 2021
Steepening of magnetosonic waves in the inner coma of comet 67P/Churyumov–Gerasimenko
Katharina Ostaszewski
CORRESPONDING AUTHOR
Institut für Geophysik und extraterrestrische Physik, Technische Universität Braunschweig, Mendelssohnstr. 3, 38106 Braunschweig, Germany
Karl-Heinz Glassmeier
Institut für Geophysik und extraterrestrische Physik, Technische Universität Braunschweig, Mendelssohnstr. 3, 38106 Braunschweig, Germany
Max-Planck-Institut fur Sonnensystemforschung, Justus-von-Liebig-Weg 3, 37077 Göttingen, Germany
Charlotte Goetz
ESTEC, European Space Agency, Keplerlaan 1, 2201AZ Noordwijk, the Netherlands
Philip Heinisch
Institut für Geophysik und extraterrestrische Physik, Technische Universität Braunschweig, Mendelssohnstr. 3, 38106 Braunschweig, Germany
Pierre Henri
Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), UMR7328 CNRS/Université d'Orléans/CNES, Orléans, France
Laboratoire Lagrange, OCA, UCA, CNRS, Nice, France
Sang A. Park
Electrical Engineering and
Computer Sciences, University of California, Berkeley, CA, USA
Hendrik Ranocha
Computer Electrical and Mathematical Science and Engineering Division (CEMSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
present address: Applied Mathematics: Institute of Analysis and Numerics, University of Münster, Münster, Germany
Ingo Richter
Institut für Geophysik und extraterrestrische Physik, Technische Universität Braunschweig, Mendelssohnstr. 3, 38106 Braunschweig, Germany
Martin Rubin
Physikalisches Institut, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland
Bruce Tsurutani
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA
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Cited
9 citations as recorded by crossref.
- Origin and trends in NH4+ observed in the coma of 67P Z. Lewis et al. 10.1093/mnras/stad1787
- Ion‐Ion Cross‐Field Instability of Lower Hybrid Waves in the Inner Coma of Comet 67P E. Odelstad et al. 10.1029/2022JA030535
- Revisiting mirror modes in the plasma environment of comet 67P/Churyumov–Gerasimenko A. Tello Fallau et al. 10.5194/angeo-41-569-2023
- Self-steepening of dust-magnetosonic waves in multicomponent magnetoplasmas S. Ali & M. Alharbi 10.1063/5.0233875
- Cometary ion drift energy and temperature at comet 67P/Churyumov–Gerasimeko H. Williamson et al. 10.1093/mnras/stae1883
- Flow directions of low-energy ions in and around the diamagnetic cavity of comet 67P S. Bergman et al. 10.1093/mnras/stab2470
- Effect of dust size distribution on dust acoustic solitary waves in a six component cometary plasma S. Shilpa et al. 10.1007/s12036-022-09845-4
- The Plasma Environment of Comet 67P/Churyumov-Gerasimenko C. Goetz et al. 10.1007/s11214-022-00931-1
- Solar Wind Protons in the Diamagnetic Cavity at Comet 67P/Churyumov‐Gerasimenko C. Goetz et al. 10.1029/2022JA031249
7 citations as recorded by crossref.
- Origin and trends in NH4+ observed in the coma of 67P Z. Lewis et al. 10.1093/mnras/stad1787
- Ion‐Ion Cross‐Field Instability of Lower Hybrid Waves in the Inner Coma of Comet 67P E. Odelstad et al. 10.1029/2022JA030535
- Revisiting mirror modes in the plasma environment of comet 67P/Churyumov–Gerasimenko A. Tello Fallau et al. 10.5194/angeo-41-569-2023
- Self-steepening of dust-magnetosonic waves in multicomponent magnetoplasmas S. Ali & M. Alharbi 10.1063/5.0233875
- Cometary ion drift energy and temperature at comet 67P/Churyumov–Gerasimeko H. Williamson et al. 10.1093/mnras/stae1883
- Flow directions of low-energy ions in and around the diamagnetic cavity of comet 67P S. Bergman et al. 10.1093/mnras/stab2470
- Effect of dust size distribution on dust acoustic solitary waves in a six component cometary plasma S. Shilpa et al. 10.1007/s12036-022-09845-4
Latest update: 20 Jan 2025
Short summary
Plasma waves are an integral part of cometary physics, as they facilitate the transfer of energy and momentum. From intermediate to strong activity, nonlinear asymmetric plasma and magnetic field enhancements dominate the inner coma of 67P/CG. We present a statistical survey of these structures from December 2014 to June 2016, facilitated by Rosetta's unprecedented long mission duration. Using a 1D MHD model, we show they can be described as a combination of nonlinear and dissipative effects.
Plasma waves are an integral part of cometary physics, as they facilitate the transfer of energy...
