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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/FY3A-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.id:FengYun/FY3A-IRAS.a

FengYun/FY3A-IRAS.CH217025.977038.397014.506543.168599.92439.072782.801.69e-9FY-3AIRASFY-3A IRAS Channel 21 Spectral Response
X
FengYun/FY3A-IRAS.CH21
Filter Description

Filter ID (?) :FengYun/FY3A-IRAS.CH21
Description (?) :FY-3A IRAS Channel 21 Spectral Response
Phot.System (?) :IRAS
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :FY-3A
Instrument (?) :IRAS
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 7025.97 ------- (Angstrom)
λmean (?) : 7038.39 ------- (Angstrom)
λcen (?) : 6995.55 ------- (Angstrom)
λeff (?) : 7014.50 ------- (Angstrom)
λpeak (?) : 7100.00 ------- (Angstrom)
λpivot (?) : 7025.97 ------- (Angstrom)
λphot (?) : 7021.59 ------- (Angstrom)
λmin (?) : 6543.16 ------- (Angstrom)
λmax (?) : 8599.92 ------- (Angstrom)
Weff (?) : 439.07 ------- (Angstrom)
FWHM (?) : 426.96 ------- (Angstrom)
Af/AV (?) : 0.729 ------- ()
Fsun (?) : 141.08 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: FengYun Spectral Response Functions

Transmission components: Filter + CCD + Instrumentid:FengYun/FY3A-IRAS.CH21

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.69001e-9(erg/cm2/s/A)
  ------- 2782.80(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3A-IRAS.CH21/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.20513e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3A-IRAS.CH21/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 5978.85(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3A-IRAS.CH21/ST
 


Filter added: 2020-08-19 11:44:43
Last update: 2021-07-27 19:08:24
FengYun/FY3A-IRAS.CH228865.478867.798865.368549.369241.89330.812262.368.63e-10FY-3AIRASFY-3A IRAS Channel 22 Spectral Response
FengYun/FY3A-IRAS.CH239436.759440.329433.419052.689824.12447.392208.757.44e-10FY-3AIRASFY-3A IRAS Channel 23 Spectral Response
FengYun/FY3A-IRAS.CH249452.619453.259449.649243.759640.86164.962246.147.54e-10FY-3AIRASFY-3A IRAS Channel 24 Spectral Response
FengYun/FY3A-IRAS.CH2512377.1712393.2612351.3811362.5513473.521004.541556.473.05e-10FY-3AIRASFY-3A IRAS Channel 25 Spectral Response
FengYun/FY3A-IRAS.CH2616630.2016654.8816600.5115178.1018777.131321.24992.321.08e-10FY-3AIRASFY-3A IRAS Channel 26 Spectral Response
FengYun/FY3A-IRAS.CH2037620.7837632.7237603.7435699.0439992.821273.97240.705.1e-12FY-3AIRASFY-3A IRAS Channel 20 Spectral Response
FengYun/FY3A-IRAS.CH1939803.8139806.1239799.1838970.3140818.30557.99218.924.14e-12FY-3AIRASFY-3A IRAS Channel 19 Spectral Response
FengYun/FY3A-IRAS.CH1841779.0241780.4441777.9641123.7542500.08420.31196.793.38e-12FY-3AIRASFY-3A IRAS Channel 18 Spectral Response
FengYun/FY3A-IRAS.CH1744437.7944439.4644435.5343660.3445219.65521.42178.882.72e-12FY-3AIRASFY-3A IRAS Channel 17 Spectral Response
FengYun/FY3A-IRAS.CH1644682.2644683.8144679.8943905.9545410.05510.46177.152.66e-12FY-3AIRASFY-3A IRAS Channel 16 Spectral Response
FengYun/FY3A-IRAS.CH1545195.1845197.0645192.1744374.6145989.83552.03173.382.54e-12FY-3AIRASFY-3A IRAS Channel 15 Spectral Response
FengYun/FY3A-IRAS.CH1445661.6045663.3145658.6344790.4046487.79532.55169.992.44e-12FY-3AIRASFY-3A IRAS Channel 14 Spectral Response
FengYun/FY3A-IRAS.CH1365404.0765436.1765353.4662248.7669937.012130.9186.046.03e-13FY-3AIRASFY-3A IRAS Channel 13 Spectral Response
FengYun/FY3A-IRAS.CH1273368.3073391.3473326.1769492.3777145.422486.5168.683.83e-13FY-3AIRASFY-3A IRAS Channel 12 Spectral Response
FengYun/FY3A-IRAS.CH1174643.2874689.2874566.6670035.7780141.823235.8366.043.55e-13FY-3AIRASFY-3A IRAS Channel 11 Spectral Response
FengYun/FY3A-IRAS.CH1096789.8696808.5396760.0593332.29100410.522264.0640.291.29e-13FY-3AIRASFY-3A IRAS Channel 10 Spectral Response
FengYun/FY3A-IRAS.CH09111154.64111211.89111057.35104420.73118753.984309.6030.707.45e-14FY-3AIRASFY-3A IRAS Channel 9 Spectral Response
FengYun/FY3A-IRAS.CH08124511.54124564.46124408.81116903.70131530.104612.7424.374.71e-14FY-3AIRASFY-3A IRAS Channel 8 Spectral Response
FengYun/FY3A-IRAS.CH07133643.21133665.81133605.87128155.33139533.593169.5221.413.59e-14FY-3AIRASFY-3A IRAS Channel 7 Spectral Response
FengYun/FY3A-IRAS.CH06136553.12136571.08136522.55131293.62141876.962908.6620.493.29e-14FY-3AIRASFY-3A IRAS Channel 6 Spectral Response
FengYun/FY3A-IRAS.CH05139835.51139854.05139804.89134779.09146142.682866.2819.563.0e-14FY-3AIRASFY-3A IRAS Channel 5 Spectral Response
FengYun/FY3A-IRAS.CH04142232.29142249.08142204.91137282.06146742.412967.3418.902.8e-14FY-3AIRASFY-3A IRAS Channel 4 Spectral Response
FengYun/FY3A-IRAS.CH03144698.95144716.85144669.97139354.42149663.442952.5618.272.62e-14FY-3AIRASFY-3A IRAS Channel 3 Spectral Response
FengYun/FY3A-IRAS.CH02147705.53147721.56147679.85143141.84152638.602812.4517.552.41e-14FY-3AIRASFY-3A IRAS Channel 2 Spectral Response
FengYun/FY3A-IRAS.CH01149458.96149463.25149451.79146938.82151628.19775.6017.152.3e-14FY-3AIRASFY-3A IRAS Channel 1 Spectral Response
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)



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