Accurate effective temperature from Hα profilesR. E. Giribaldi, M. L. Ubaldo-Melo, G. F. Porto de Mello, L. Pasquini, H.-G. Ludwig, S. Ulmer-Moll and D. Lorenzo-OliveiraA&A, 624 (2019) A10DOI: https://doi.org/10.1051/0004-6361/201833763