Detection of a large Be circumstellar disk during X-ray quiescence of XTE J1946+274 M. Özbey Arabacı, A. Camero-Arranz, C. Zurita, J. Gutiérrez-Soto, E. Nespoli, J. Suso, F. Kiaeerad, J. García-Rojas and Ü. Kızıloǧlu A&A, 582 (2015) A53 Published online: 05 October 2015 DOI: 10.1051/0004-6361/201425488