Effects of hair on the image of a rotating black hole illuminated by a thin accretion disk Yuan Meng, Xi-Jing Wang, Yong-Zhuang Li and Xiao-Mei Kuang Eur. Phys. J. C, 85 6 (2025) 627 Published online: 07 June 2025 DOI: 10.1140/epjc/s10052-025-14346-z