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Radiometric Calibration of the Vacuum-Ultraviolet Spectrograph SUMER on the SOHO Spacecraft with the B Detector

Wilhelm, Klaus; Schühle, Udo; Curdt, Werner +3 more

The Solar Ultraviolet Measurement of Emitted Radiation (SUMER) vacuum-ultraviolet spectrograph was calibrated in the laboratory before the integration of the instrument on the Solar and Heliospheric Observatory (SOHO) spacecraft in 1995. During the scientific operation of the SOHO it has been possible to track the radiometric calibration of the SU…

Experimental Study of External Occulters for the Large Angle and Spectrometric Coronagraph 2: LASCO-C2

Lamy, Philippe; Bout, Maurice; Maucherat, André +2 more