Red Supergiant Stars as Cosmic Abundance Probes. III. NLTE effects in J-band Magnesium lines

Maria Bergemann, Rolf-Peter Kudritzki, Zach Gazak +2

Non-LTE calculations for Mg I in red supergiant stellar atmospheres are presented to investigate the importance of non-LTE for the formation of Mg I lines in the NIR J-band. Recent…