2D non-LTE modelling of a filament observed in the H_alpha line with the DST/IBIS spectropolarimeter

P. Schwartz, S. Gunar, J. M. Jenkins +3

We study a fragment of a large quiescent filament observed on May 29, 2017 by the Interferometric BIdimensional Spectropolarimeter (IBIS) mounted at the Dunn Solar Telescope. We fo…