The balloon-borne stratospheric solar observatory SUNRISE III successfully completed 6.5 days of observations in 2024 July. One of its focal-plane instruments...

Spectra of four selected lines (CI 5380.3 Å, MnI 5394.7 Å, FeI 5930.2 Å and SiI 5948.5 Å) have been obtained in the quiet photosphere, at regular intervals...