A joint campaign of several spaceborne and ground-based observatories, such as the GREGOR solar telescope, the Extreme-ultraviolet Imaging Spectrometer (EIS)...

The Sunrise balloon-borne solar observatory consists of a 1m aperture Gregory telescope, a UV filter imager, an imaging vector polarimeter, an image...

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...