Radial distribution of plasma at comet 67P - Implications for cometary flyby missions N. J. T. Edberg, F. L. Johansson, A. I. Eriksson, E. Vigren, P. Henri and J. De Keyser A&A, 663 (2022) A42 Published online: 11 July 2022 DOI: 10.1051/0004-6361/202243776