Physically-motivated basis functions for temperature maps of exoplanets Brett M. Morris, Kevin Heng, Kathryn Jones, Caroline Piaulet, Brice-Olivier Demory, Daniel Kitzmann and H. Jens Hoeijmakers A&A, 660 (2022) A123 Published online: 29 April 2022 DOI: 10.1051/0004-6361/202142135