A search for a fifth planet around HR 8799 using the star-hopping RDI technique at VLT/SPHEREZ. Wahhaj, J. Milli, C. Romero, L. Cieza, A. Zurlo, A. Vigan, E. Peña, G. Valdes, F. Cantalloube, J. Girard and B. PantojaA&A, 648 (2021) A26DOI: https://doi.org/10.1051/0004-6361/202038794
