definition |
- The objective of the Solar Spectrum Measurement (SOLSPEC) experiment
was the measurement of absolute solar irradiances in the wavelength
range from 180 to 3000 nm with an accuracy of 0.1% and measuring the
variability of the solar irradiances in this wavelength range. The
experiment consists of three double grating spectrometers covering the
UV (180 to 370 nm), visible (350 to 900 nm) and IR (800 to 3000 nm)
and an onboard calibration device. The three spectrometers use concave
holographic gratings of 10-cm focal length with a spectral positioning
accuracy of 0.01 nm. The onboard calibration device consists of two
deuterium lamps, two tungsten ribbon lamps, and one hollow cathode
lamp. The instrument is calibrated against a 3300 K black body and a
set of tungsten ribbon lamps. SOLSPEC was flown on all three
Atmospheric Laboratory for Applications and Science (ATLAS) missions.
Group: Instrument_Details
Entry_ID: SOLSPEC
Group: Instrument_Identification
Instrument_Category: Solar/Space Observing Instruments
Instrument_Class: Ultraviolet Instruments
Short_Name: SOLSPEC
Long_Name: Solar Spectrum Measurement
End_Group
End_Group
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