EUV-driven ionospheres and electron transport on extrasolar giant planets orbiting active starsJ. M. Chadney, M. Galand, T. T. Koskinen, S. Miller, J. Sanz-Forcada, Y. C. Unruh and R. V. YelleA&A, 587 (2016) A87DOI: https://doi.org/10.1051/0004-6361/201527442