Period–luminosity relations for Galactic Type II Cepheids in the Sloan bands W. Narloch, G. Hajdu, G. Pietrzyński, P. Wielgórski, R. Smolec, W. Gieren, B. Zgirski, M. Górski, P. Karczmarek and D. Graczyk A&A, 697 (2025) A30 Published online: 01 May 2025 DOI: 10.1051/0004-6361/202553733