Asteroids’ reflectance from Gaia DR3: Artificial reddening at near-UV wavelengths F. Tinaut-Ruano, E. Tatsumi, P. Tanga, J. de León, M. Delbo, F. De Angeli, D. Morate, J. Licandro and L. Galluccio A&A, 669 (2023) L14 Published online: 13 January 2023 DOI: 10.1051/0004-6361/202245134