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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-VIRR :Visible and Infra Red Radiometer (VIRR). It has ten 1km-resolution spectral channels, including the high sensitivity visible channel. And there are three infrared atmospheric window channels.

FengYun/FY3B-VIRR.CH074617.304665.264589.684167.186857.99471.494105.065.84e-9FY-3BVIRRFY-3B VIRR Channel 07 Spectral Response
FengYun/FY3B-VIRR.CH085036.775065.595020.194617.257029.88446.733779.294.5e-9FY-3BVIRRFY-3B VIRR Channel 08 Spectral Response
FengYun/FY3B-VIRR.CH095487.365494.275480.944795.485917.07441.783602.923.6e-9FY-3BVIRRFY-3B VIRR Channel 09 Spectral Response
FengYun/FY3B-VIRR.CH016224.206244.446198.385532.506909.74898.373112.962.43e-9FY-3BVIRRFY-3B VIRR Channel 01 Spectral Response
FengYun/FY3B-VIRR.CH028580.358586.468577.658052.249277.32472.302240.949.13e-10FY-3BVIRRFY-3B VIRR Channel 02 Spectral Response
FengYun/FY3B-VIRR.CH1013397.4913404.0313388.9012755.2414085.35667.791384.132.31e-10FY-3BVIRRFY-3B VIRR Channel 10 Spectral Response
FengYun/FY3B-VIRR.CH0615881.0715888.0715871.4215071.5716610.52705.251052.061.25e-10FY-3BVIRRFY-3B VIRR Channel 06 Spectral Response
FengYun/FY3B-VIRR.CH0337874.9537946.0437762.7434225.5542410.233384.60238.475.01e-12FY-3BVIRRFY-3B VIRR Channel 03 Spectral Response
X
FengYun/FY3B-VIRR.CH03
Filter Description

Filter ID (?) :FengYun/FY3B-VIRR.CH03
Description (?) :FY-3B VIRR Channel 03 Spectral Response
Phot.System (?) :VIRR
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :FY-3B
Instrument (?) :VIRR
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 37874.95 ------- (Angstrom)
λmean (?) : 37946.04 ------- (Angstrom)
λcen (?) : 37777.25 ------- (Angstrom)
λeff (?) : 37762.74 ------- (Angstrom)
λpeak (?) : 38600.00 ------- (Angstrom)
λpivot (?) : 37874.95 ------- (Angstrom)
λphot (?) : 37810.52 ------- (Angstrom)
λmin (?) : 34225.55 ------- (Angstrom)
λmax (?) : 42410.23 ------- (Angstrom)
Weff (?) : 3384.60 ------- (Angstrom)
FWHM (?) : 3594.50 ------- (Angstrom)
Af/AV (?) : 0.0628 ------- ()
Fsun (?) : 1.07 ------- (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 (?) : ------- 5.01338e-12(erg/cm2/s/A)
  ------- 238.47(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3B-VIRR.CH03/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 7.63344e-11(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3B-VIRR.CH03/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 172715.95(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3B-VIRR.CH03/ST
 


Filter added: 2020-08-19 12:35:24
Last update: 2020-12-10 16:29:00
FengYun/FY3B-VIRR.CH04108848.78109084.95108494.7597894.74118387.747474.5531.908.12e-14FY-3BVIRRFY-3B VIRR Channel 04 Spectral Response
FengYun/FY3B-VIRR.CH05119468.22119799.37118941.4899998.65145220.828892.7126.585.63e-14FY-3BVIRRFY-3B VIRR Channel 05 Spectral Response
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)

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This research has made use of the Spanish Virtual Observatory (https://svo.cab.inta-csic.es) project funded by MCIN/AEI/10.13039/501100011033/ through grant PID2020-112949GB-I00

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