PSR J2222−0137 - I. Improved physical parameters for the system Y. J. Guo, P. C. C. Freire, L. Guillemot, M. Kramer, W. W. Zhu, N. Wex, J. W. McKee, A. Deller, H. Ding, D. L. Kaplan et al. (7 more) A&A, 654 (2021) A16 Published online: 01 October 2021 DOI: 10.1051/0004-6361/202141450