Catalogue of new Herbig Ae/Be and classical Be stars - A machine learning approach to Gaia DR2 M. Vioque, R. D. Oudmaijer, M. Schreiner, I. Mendigutía, D. Baines, N. Mowlavi and R. Pérez-Martínez A&A, 638 (2020) A21 Published online: 04 June 2020 DOI: 10.1051/0004-6361/202037731