Spectroscopic detection of Altair’s non-radial pulsations Michel Rieutord, Pascal Petit, Daniel Reese, Torsten Böhm, Arturo López Ariste, Giovanni M. Mirouh and Armando Domiciano de Souza A&A, 669 (2023) A99 Published online: 17 January 2023 DOI: 10.1051/0004-6361/202245017