Multi-instrumental view of magnetic fields and activity of ϵ Eridani with SPIRou, NARVAL, and TESSP. Petit, C. P. Folsom, J.-F. Donati, L. Yu, J.-D. do Nascimento, S. V. Jeffers, S. C. Marsden, J. Morin and A. A. VidottoA&A, 648 (2021) A55DOI: https://doi.org/10.1051/0004-6361/202040027