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FengYun :Fengyun, abbreviated FY, are China's weather satellites. China has launched polar orbit and geosynchronous orbit meteorological satellites since 1988.
FengYun/FY3B-IRAS :Infra-Red Atmospheric Sounder (IRAS). It is a High Resolution Infrared Radiation Sounder (HIRS)/3-like instrument. There are a total of 26 channels in this IR sounder.

FengYun/FY3B-IRAS.CH216871.306877.366866.296421.147464.43494.392833.971.8e-9FY-3BIRASFY-3B IRAS Channel 21 Spectral Response
FengYun/FY3B-IRAS.CH228845.908848.158846.048532.359213.27307.822261.048.66e-10FY-3BIRASFY-3B IRAS Channel 22 Spectral Response
FengYun/FY3B-IRAS.CH249400.669401.589399.109151.189638.96184.832291.937.78e-10FY-3BIRASFY-3B IRAS Channel 24 Spectral Response
FengYun/FY3B-IRAS.CH239451.549456.699446.908873.9910061.36493.162216.867.45e-10FY-3BIRASFY-3B IRAS Channel 23 Spectral Response
FengYun/FY3B-IRAS.CH2512418.5112431.1212397.2711684.9513386.00996.791540.273.0e-10FY-3BIRASFY-3B IRAS Channel 25 Spectral Response
FengYun/FY3B-IRAS.CH2616497.5216512.6016479.9415209.7017602.381237.511000.571.1e-10FY-3BIRASFY-3B IRAS Channel 26 Spectral Response
FengYun/FY3B-IRAS.CH2037549.9637570.1037519.4334984.5240226.741677.19241.555.14e-12FY-3BIRASFY-3B IRAS Channel 20 Spectral Response
X
FengYun/FY3B-IRAS.CH20
Filter Description

Filter ID (?) :FengYun/FY3B-IRAS.CH20
Description (?) :FY-3B IRAS Channel 20 Spectral Response
Phot.System (?) :IRAS
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :FY-3B
Instrument (?) :IRAS
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 37549.96 ------- (Angstrom)
λmean (?) : 37570.10 ------- (Angstrom)
λcen (?) : 37522.40 ------- (Angstrom)
λeff (?) : 37519.43 ------- (Angstrom)
λpeak (?) : 37288.39 ------- (Angstrom)
λpivot (?) : 37549.96 ------- (Angstrom)
λphot (?) : 37532.68 ------- (Angstrom)
λmin (?) : 34984.52 ------- (Angstrom)
λmax (?) : 40226.74 ------- (Angstrom)
Weff (?) : 1677.19 ------- (Angstrom)
FWHM (?) : 1521.22 ------- (Angstrom)
Af/AV (?) : 0.0633 ------- ()
Fsun (?) : 1.10 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: FengYun Spectral Response Functions

Transmission components: Filter + CCD + Instrument

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 5.14425e-12(erg/cm2/s/A)
  ------- 241.55(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3B-IRAS.CH20/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 7.73276e-11(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3B-IRAS.CH20/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 170497.47(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3B-IRAS.CH20/ST
 


Filter added: 2020-08-19 12:30:56
Last update: 2020-12-10 16:28:59
FengYun/FY3B-IRAS.CH1939705.6639708.1839701.1138780.3140672.93623.48220.124.19e-12FY-3BIRASFY-3B IRAS Channel 19 Spectral Response
FengYun/FY3B-IRAS.CH1841892.6241894.3341891.9341160.3842779.31495.18197.073.37e-12FY-3BIRASFY-3B IRAS Channel 18 Spectral Response
FengYun/FY3B-IRAS.CH1744571.7144573.5444569.0443793.0245402.23529.28177.922.69e-12FY-3BIRASFY-3B IRAS Channel 17 Spectral Response
FengYun/FY3B-IRAS.CH1644729.0344730.8544726.2643952.1445519.07513.87176.782.65e-12FY-3BIRASFY-3B IRAS Channel 16 Spectral Response
FengYun/FY3B-IRAS.CH1545191.3145193.2545188.1344376.4046106.04538.25173.392.55e-12FY-3BIRASFY-3B IRAS Channel 15 Spectral Response
FengYun/FY3B-IRAS.CH1445619.4545621.1445616.5944827.9046420.88525.42170.292.45e-12FY-3BIRASFY-3B IRAS Channel 14 Spectral Response
FengYun/FY3B-IRAS.CH1365227.2965259.0065176.6661596.2569826.642514.2086.356.09e-13FY-3BIRASFY-3B IRAS Channel 13 Spectral Response
FengYun/FY3B-IRAS.CH1273150.8073178.1473103.0769653.4877123.722523.8969.053.87e-13FY-3BIRASFY-3B IRAS Channel 12 Spectral Response
FengYun/FY3B-IRAS.CH1174240.3274280.1174170.4370211.4379919.282928.9066.603.63e-13FY-3BIRASFY-3B IRAS Channel 11 Spectral Response
FengYun/FY3B-IRAS.CH1096967.1396993.3296924.6792514.09101391.532632.1540.111.28e-13FY-3BIRASFY-3B IRAS Channel 10 Spectral Response
FengYun/FY3B-IRAS.CH09111047.64111110.01110942.37103929.39119058.564661.1230.707.48e-14FY-3BIRASFY-3B IRAS Channel 9 Spectral Response
FengYun/FY3B-IRAS.CH08125128.98125200.10125003.78117673.58134180.485156.3624.114.62e-14FY-3BIRASFY-3B IRAS Channel 8 Spectral Response
FengYun/FY3B-IRAS.CH07133881.31133903.94133843.45129024.77139030.233328.4221.303.56e-14FY-3BIRASFY-3B IRAS Channel 7 Spectral Response
FengYun/FY3B-IRAS.CH06136522.02136544.37136485.09131981.10142168.713159.0820.503.3e-14FY-3BIRASFY-3B IRAS Channel 6 Spectral Response
FengYun/FY3B-IRAS.CH05140003.11140022.16139971.70135382.37144909.172985.4219.502.98e-14FY-3BIRASFY-3B IRAS Channel 5 Spectral Response
FengYun/FY3B-IRAS.CH04142093.24142117.25142053.69137166.45147572.173499.3318.942.81e-14FY-3BIRASFY-3B IRAS Channel 4 Spectral Response
FengYun/FY3B-IRAS.CH03145116.50145139.45145078.76139984.67150253.333344.2718.172.59e-14FY-3BIRASFY-3B IRAS Channel 3 Spectral Response
FengYun/FY3B-IRAS.CH02147201.09147222.91147165.72142339.47153042.973212.6117.662.44e-14FY-3BIRASFY-3B IRAS Channel 2 Spectral Response
FengYun/FY3B-IRAS.CH01149480.10149484.08149473.38146525.20151677.23831.5117.142.3e-14FY-3BIRASFY-3B IRAS Channel 1 Spectral Response
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)



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