Validation of the RR Lyrae period determination in the Pan-STARRS PS1 3π survey with K2 Adrienn Forró, László Molnár, Emese Plachy, Áron Juhász and Róbert Szabó A&A, 689 (2024) A189 Published online: 10 September 2024 DOI: 10.1051/0004-6361/202450701