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Intercalibration of SUMER and CDS on SOHO. III. SUMER and CDS-GIS

Solanki, Sami K.; Schühle, Udo; Pauluhn, Anuschka +2 more

Simultaneous observation of the same solar sources with different instruments is one way to test prelaunch radiometric calibrations and to detect changes in responsivity with time of extreme-ultraviolet instruments in space. Here we present the results of intercalibration of the SUMER (Solar Ultraviolet Measurements of Emitted Radiation) spectrome…