New interpretation of the two hard X-ray sources IGR J17503-2636 and IGR J17507-2647 L. Sidoli, V. Sguera, P. Esposito, R. Sathyaprakash, G. Ponti, S. Mondal and A. J. Bird A&A, 693 (2025) A45 Published online: 03 January 2025 DOI: 10.1051/0004-6361/202451557