High-resolution spectroscopy of detached eclipsing binaries during total eclipses K. G. Hełminiak, J. M. Olszewska, M. Puciata-Mroczynska and T. Pawar A&A, 691 (2024) A170 Published online: 11 November 2024 DOI: 10.1051/0004-6361/202450607