Trends of VNIR three bands
Trends of SWIR six bands
Trend of the radiometric calibration coefficients by onboard calibration
Trends of VNIR three bands
Trends of SWIR six bands
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ASTER VNIR and SWIR scaled calibration coefficients for band 1 to 9, based on the onboard calibration results1),2). The launch date is Dec. 18, 1999. The calibaration coefficients of RE02 and PFT, which were obtained at preflight using onboard calibration system that were calibrated by the integrating sphere whose radiance level was traceable to a copper-point blackbody and a zinc-point blackbody respectively, are used as initial value of calibration coefficents.
Reference 1) Sakuma, F., A. Ono, M. Kudoh, H. Iida, S. Akagi, and H. Ohmae, ASTER On-board Calibration Status, Proceedings of SPIE, 4881, 407-418, 2002. 2) Sakuma, F., A. Ono, N. Ohgi, H. Inada, S. Akagi, H. Ono, Onboard calibration of ASTER instrument, TGARS (in prep) |