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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-MERSI :Medium Resolution Spectral Imager (MERSI). This instrument has 20 channels on FY-3A/B/C satellites. The MERSI channels are mainly located in visible (VIS) and near-IR (NIR) spectral regions while the Visible and Infrared Radiometer (VIRR) instrument has the important IR channels.id:FengYun/FY3A-MERSI.a

FengYun/FY3A-MERSI.CH064156.434173.074149.903942.075141.13218.094291.207.45e-9FY-3AMERSIFY-3A MERSI Channel 6 Spectral Response
FengYun/FY3A-MERSI.CH074448.804450.584452.244270.234628.42230.864181.546.33e-9FY-3AMERSIFY-3A MERSI Channel 7 Spectral Response
FengYun/FY3A-MERSI.CH014700.614708.814687.444360.245077.20494.134063.515.51e-9FY-3AMERSIFY-3A MERSI Channel 1 Spectral Response
FengYun/FY3A-MERSI.CH084885.314886.734885.924708.925075.98206.413701.234.65e-9FY-3AMERSIFY-3A MERSI Channel 8 Spectral Response
FengYun/FY3A-MERSI.CH095220.185221.835218.455025.045430.05237.693786.604.17e-9FY-3AMERSIFY-3A MERSI Channel 9 Spectral Response
FengYun/FY3A-MERSI.CH025488.045494.985481.385123.935879.78515.973612.613.6e-9FY-3AMERSIFY-3A MERSI Channel 2 Spectral Response
FengYun/FY3A-MERSI.CH105673.495675.015672.015468.615873.59234.873497.203.26e-9FY-3AMERSIFY-3A MERSI Channel 10 Spectral Response
FengYun/FY3A-MERSI.CH116478.116479.366473.156283.686690.90225.522895.982.07e-9FY-3AMERSIFY-3A MERSI Channel 11 Spectral Response
FengYun/FY3A-MERSI.CH036526.826532.456519.916172.126912.40508.192935.702.07e-9FY-3AMERSIFY-3A MERSI Channel 3 Spectral Response
FengYun/FY3A-MERSI.CH126844.376845.806842.986605.867092.40236.162862.601.83e-9FY-3AMERSIFY-3A MERSI Channel 12 Spectral Response
X
FengYun/FY3A-MERSI.CH12
Filter Description

Filter ID (?) :FengYun/FY3A-MERSI.CH12
Description (?) :FY-3A MERSI Channel 12 Spectral Response
Phot.System (?) :MERSI
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :FY-3A
Instrument (?) :MERSI
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 6844.37 ------- (Angstrom)
λmean (?) : 6845.80 ------- (Angstrom)
λcen (?) : 6845.04 ------- (Angstrom)
λeff (?) : 6842.98 ------- (Angstrom)
λpeak (?) : 6885.00 ------- (Angstrom)
λpivot (?) : 6844.37 ------- (Angstrom)
λphot (?) : 6843.94 ------- (Angstrom)
λmin (?) : 6605.86 ------- (Angstrom)
λmax (?) : 7092.40 ------- (Angstrom)
Weff (?) : 236.16 ------- (Angstrom)
FWHM (?) : 230.08 ------- (Angstrom)
Af/AV (?) : 0.757 ------- ()
Fsun (?) : 147.85 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: FengYun Spectral Response Functions

Transmission components: Filter + CCD + Instrumentid:FengYun/FY3A-MERSI.CH12

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.83195e-9(erg/cm2/s/A)
  ------- 2862.60(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3A-MERSI.CH12/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.3237e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3A-MERSI.CH12/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 5673.77(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : FengYun/FY3A-MERSI.CH12/ST
 


Filter added: 2020-08-19 11:59:37
Last update: 2021-07-27 19:08:35
FengYun/FY3A-MERSI.CH137643.667645.157641.897381.527884.67235.012520.961.29e-9FY-3AMERSIFY-3A MERSI Channel 13 Spectral Response
FengYun/FY3A-MERSI.CH148653.448654.558653.318434.148907.09223.372224.928.91e-10FY-3AMERSIFY-3A MERSI Channel 14 Spectral Response
FengYun/FY3A-MERSI.CH048666.808673.018665.618243.699162.56597.252246.498.97e-10FY-3AMERSIFY-3A MERSI Channel 4 Spectral Response
FengYun/FY3A-MERSI.CH159047.509048.679047.738798.199293.05241.072290.878.39e-10FY-3AMERSIFY-3A MERSI Channel 15 Spectral Response
FengYun/FY3A-MERSI.CH169393.749394.919392.069143.759644.92247.362276.847.74e-10FY-3AMERSIFY-3A MERSI Channel 16 Spectral Response
FengYun/FY3A-MERSI.CH179754.519770.219743.068358.8010748.42296.012206.106.95e-10FY-3AMERSIFY-3A MERSI Channel 17 Spectral Response
FengYun/FY3A-MERSI.CH1810202.8810219.9310187.849136.1110705.70296.142078.455.99e-10FY-3AMERSIFY-3A MERSI Channel 18 Spectral Response
FengYun/FY3A-MERSI.CH1916427.0616430.1416424.8515904.7216855.37509.831011.521.12e-10FY-3AMERSIFY-3A MERSI Channel 19 Spectral Response
FengYun/FY3A-MERSI.CH2021234.6421237.3921229.4620636.2721741.99528.45672.234.47e-11FY-3AMERSIFY-3A MERSI Channel 20 Spectral Response
FengYun/FY3A-MERSI.CH05114933.73116056.45113054.4793506.54138280.3220979.9229.466.69e-14FY-3AMERSIFY-3A MERSI Channel 5 Spectral Response
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)


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