Semi-empirical model atmospheres for the chromosphere of the sunspot penumbra and umbral flashesSouvik Bose, Vasco M. J. Henriques, Luc Rouppe van der Voort and Tiago M. D. PereiraA&A, 627 (2019) A46DOI: https://doi.org/10.1051/0004-6361/201935289
