A comparison between X-shooter spectra and PHOENIX models across the HR-diagram A. Lançon, A. Gonneau, K. Verro, P. Prugniel, A. Arentsen, S. C. Trager, R. Peletier, Y.-P. Chen, P. Coelho, J. Falcón-Barroso et al. (7 more) A&A, 649 (2021) A97 Published online: 19 May 2021 DOI: 10.1051/0004-6361/202039371