Euclid - III. The NISP Instrument Euclid Collaboration, K. Jahnke, W. Gillard, M. Schirmer, A. Ealet, T. Maciaszek, E. Prieto, R. Barbier, C. Bonoli, L. Corcione et al. (431 more) A&A, 697 (2025) A3 Published online: 30 April 2025 DOI: 10.1051/0004-6361/202450786