Precision requirements for interferometric gridding in the analysis of a 21 cm power spectrum A. R. Offringa, F. Mertens, S. van der Tol, B. Veenboer, B. K. Gehlot, L. V. E. Koopmans and M. Mevius A&A, 631 (2019) A12 Published online: 11 October 2019 DOI: 10.1051/0004-6361/201935722