Vol. 616
In section 10. Planets and planetary systems

Energy conversion in cometary atmospheres. Hybrid modeling of 67P/Churyumov-Gerasimenko

by J. Lindkvist, M. Hamrin, H. Gunell, H. Nilsson, C. Simon Wedlund, E. Kallio, I. Mann, T. Pitkänen, and T. Karlsson A&A 616, A81

Solar wind cavity modeling with cometary ion production and solar wind penetration is used to determine the local dynamo activity and energization of the particles by electromagnetic interaction with the background plasma. The model results are strikingly similar to the 67P observations.