Sectoral r modes and periodic radial velocity variations of Sun-like stars A. F. Lanza, L. Gizon, T. V. Zaqarashvili, Z.-C. Liang and K. Rodenbeck A&A, 623 (2019) A50 Published online: 05 March 2019 DOI: 10.1051/0004-6361/201834712