The CH4 abundance in Jupiter’s upper atmosphere A. Sánchez-López, M. López-Puertas, M. García-Comas, B. Funke, T. Fouchet and I. A. G. Snellen A&A, 662 (2022) A91 Published online: 24 June 2022 DOI: 10.1051/0004-6361/202141933