2D unified atmosphere and wind simulations of O-type stars D. Debnath, J. O. Sundqvist, N. Moens, C. Van der Sijpt, O. Verhamme and L. G. Poniatowski A&A, 684 (2024) A177 Published online: 23 April 2024 DOI: 10.1051/0004-6361/202348206