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National Calibration Center home page

Standardized Calibration Parameters

1. Solar Spectral Irradiance (Thuillier 2003)

2. VIIRS band width, band center, and Esun (in band solar irradiance)


SNPP VIIRS Prelaunch RSR (IDPS #LUT 1)

Band Center
(nm)		 Min HM
(nm)		 Max HM
(nm)		 FWHM
(nm)		 MODTRAN based Esun
RSB: W/[m2.µm]
DNB: mW/cm2		 Thuillier based Esun
RSB: W/[m2.µm]
DNB: mW/cm2
I1 638.0 597.2 678.8 81.6 1628.44 1604.83
I2 861.6 842.4 880.9 38.5 962.82 961.64
I3 1600.5 1570.9 1630.0 59.2 245.69 251.25
M1 410.5 400.2 420.7 20.5 1708.70 1709.63
M2 443.1 435.5 450.7 15.2 1862.86 1902.49
M3 486.2 476.6 495.8 19.3 1999.79 1988.65
M4 550.7 540.8 560.6 19.7 1869.62 1842.40
M5 671.4 662.0 680.8 18.8 1530.19 1504.61
M6 745.4 738.4 752.3 13.9 1280.78 1277.39
M7 861.8 842.8 880.8 38.0 962.47 961.29
M8 1238.4 1225.3 1251.5 26.3 456.92 456.01
M9 1375.3 1367.9 1382.6 14.7 359.95 365.87
M10 1601.0 1571.2 1630.8 59.5 245.30 250.86
M11 2256.9 2233.8 2280.1 46.3 75.08 77.31
DNB LGS 694.5 505.2 883.8 378.6 45.88 45.41


SNPP VIIRS Modulated RSR (IDPS #LUT 2)

Band Center
(nm)		 Min HM
(nm)		 Max HM
(nm)		 FWHM
(nm)		 MODTRAN based Esun
RSB: W/[m2.µm]
DNB: mW/cm2		 Thuillier based Esun
RSB: W/[m2.µm]
DNB: mW/cm2
I1 637.8 597.0 678.6 81.6 1630.69 1607.00
I2 861.5 842.3 880.7 38.4 963.44 962.16
I3 1600.5 1571.0 1630.1 59.1 245.63 251.19
M1 410.5 400.2 420.7 20.5 1712.75 1713.30
M2 443.1 435.5 450.7 15.2 1863.74 1903.55
M3 486.2 476.6 495.8 19.3 2001.81 1990.77
M4 550.7 540.7 560.6 19.9 1871.06 1843.83
M5 671.3 661.9 680.7 18.8 1531.35 1505.69
M6 745.3 738.4 752.3 13.9 1281.45 1278.03
M7 861.7 842.7 880.6 37.9 963.17 961.90
M8 1238.4 1225.2 1251.6 26.4 456.55 455.64
M9 1375.3 1367.9 1382.6 14.7 359.93 365.86
M10 1601.1 1571.4 1630.8 59.5 245.25 250.80
M11 2256.9 2233.8 2280.1 46.3 75.08 77.31
DNB LGS 690.5 502.9 878.2 375.3 47.82 47.30


TEB Bands

Band Center
(nm)		 Min HM
(nm)		 Max HM
(nm)		 FWHM
(nm)
I4 3743.3 3549.9 3936.8 386.8
I5 11500.9 10560.7 12441.1 1880.5
M12 3694.6 3598.0 3791.2 193.2
M13 4065.7 3986.6 4144.8 158.2
M14 8577.4 8406.9 8747.9 341.1
M15 10740.9 10233.6 11248.2 1014.5
M16A 11859.9 11403.6 12316.3 912.8
M16B 11867.1 11406.8 12327.4 920.6

Notes:

  1. In-band solar irradiance is computed using Thuillier 2003 spectra and the operational IDPS version as of 2013 (originated from MODTRAN 4.3).
  2. DNB unit: mW/cm2