Intriguing detection of 12CO molecular emission in a classical Be star Y. R. Cochetti, M. L. Arias, M. Kraus, L. S. Cidale, A. F. Torres, A. Granada and O. V. Maryeva A&A, 647 (2021) A164 Published online: 26 March 2021 DOI: 10.1051/0004-6361/202040143