New powerful outburst of the unusual young star V1318 Cygni S (LkHα 225) T. Yu. Magakian, T. A. Movsessian, H. R. Andreasyan and M. H. Gevorgyan A&A, 625 (2019) A13 Published online: 30 April 2019 DOI: 10.1051/0004-6361/201834187