HR 6819 is a binary system with no black hole - Revisiting the source with infrared interferometry and optical integral field spectroscopy
A. J. Frost, J. Bodensteiner, Th. Rivinius, D. Baade, A. Merand, F. Selman, M. Abdul-Masih, G. Banyard, E. Bordier, K. Dsilva, C. Hawcroft, L. Mahy, M. Reggiani, T. Shenar, M. Cabezas, P. Hadrava, M. Heida, R. Klement and H. Sana
A&A, 659 (2022) L3
DOI: https://doi.org/10.1051/0004-6361/202143004