Astronomy & Astrophysics (A&A)

The lack of fast rotators in Cyg OB2 - I. Insights from spectral reclassification of its B0 population

D. Galán-Diéguez, S. R. Berlanas, A. Herrero, M. Abdul-Masih, D. J. Lennon, C. Martínez-Sebastián and F. M. Pérez-Toledo

A&A, 706 (2026) A59

Published online: 30 January 2026

DOI: 10.1051/0004-6361/202557446

D. Galán-Diéguez

S. R. Berlanas

A. Herrero

M. Abdul-Masih

D. J. Lennon

C. Martínez-Sebastián

F. M. Pérez-Toledo

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