Double progenitor origin of the S-star cluster Sill Verberne, Elena Maria Rossi, Sergey E. Koposov, Zephyr Penoyre, Manuel Cavieres and Konrad Kuijken A&A, 696 (2025) A218 Published online: 25 April 2025 DOI: 10.1051/0004-6361/202554247