PSZ2 G091: A massive double cluster at z ~ 0.822 observed by the NIKA2 camera E. Artis, R. Adam, P. Ade, H. Ajeddig, P. André, M. Arnaud, H. Aussel, I. Bartalucci, A. Beelen, A. Benoît et al. (41 more) EPJ Web Conf., 257 (2022) 00003 Published online: 17 January 2022 DOI: 10.1051/epjconf/202225700003