UNIONS: A direct measurement of intrinsic alignment with BOSS/eBOSS spectroscopy Fabian Hervas Peters, Martin Kilbinger, Romain Paviot, Lucie Baumont, Elisa Russier, Ziwen Zhang, Calum Murray, Valeria Pettorino, Thomas de Boer, Sébastien Fabbro et al. (5 more) A&A, 699 (2025) A201 Published online: 07 July 2025 DOI: 10.1051/0004-6361/202453442