A detailed study of the H ii region M 43 and its ionizing star - I. Stellar parameters and nebular empirical analysisS. Simón-Díaz, J. García-Rojas, C. Esteban, G. Stasińska, A. R. López-Sánchez and C. MorissetA&A, 530 (2011) A57DOI: https://doi.org/10.1051/0004-6361/201116608