A new study of the spectroscopic binary 7 Vul with a Be star primaryP. Harmanec, J. Lipták, P. Koubský, H. Božić, J. Labadie-Bartz, M. Šlechta, S. Yang and A. HarmanecA&A, 639 (2020) A32DOI: https://doi.org/10.1051/0004-6361/202037964