Physics
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsm51c..05r&link_type=abstract
American Geophysical Union, Fall Meeting 2005, abstract #SM51C-05
Physics
6969 Remote Sensing, 7538 Solar Irradiance, 7984 Space Radiation Environment
Scientific paper
The SORCE (SOlar Radiation and Climate Experiment) SIM (Spectral Irradiance Monitor) is a currently operating prism spectrometer that measures the solar spectrum four times a day in the 200-2700 nm region with a wavelength dependent resolution of 1 - 33 nm. SIM has been operational for 2.5 years and is now providing the first continuous record of solar variability throughout the visible and near infrared spectral regions and will continue this critical measurement on the upcoming TSIS mission. To fulfill the EDR (Environmental Data Record) for solar spectral irradiance, a number of in-flight instrument re-calibrations must be performed to account for possible instrument degradation processes that affect the pre-flight absolute calibration. This presentation will describe the in-flight recalibration steps currently used for SORCE and will be applied for TSIS, a summary of the planned preflight calibration, and present the SORCE spectral irradiance time series of solar spectral variability to demonstrate the need for these in-flight and pre-flight calibrations.
Harder Jerald W.
Köpp Gene
Richard Erik C.
Woods Thomas N.
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