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.
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
10 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
- Direct observations of cross-scale wave-particle energy transfer in space plasmas J. Li et al. 10.1126/sciadv.adr8227
- 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
8 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
- Direct observations of cross-scale wave-particle energy transfer in space plasmas J. Li et al. 10.1126/sciadv.adr8227
- 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: 30 Oct 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...
            
         
 
                             
                             
             
             
            