The origin of double-peak emission-line galaxies: Rotating discs, bars, or galaxy mergers? Daniel Maschmann, Anaëlle Halle, Anne-Laure Melchior, Françoise Combes and Igor V. Chilingarian A&A, 670 (2023) A46 Published online: 02 February 2023 DOI: 10.1051/0004-6361/202244746