<li>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, H. Sana. <strong>HR 6819 is a binary system with no black hole</strong>. <em>Astronomy &amp; Astrophysics</em>, 2022; 659: L3 DOI: <a href="http://dx.doi.org/10.1051/0004-6361/202143004" rel="nofollow" target="_blank">10.1051/0004-6361/202143004</a>
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