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Akatsuki :The Venus Climate Orbiter Akatsuki is a spacecraft developed in order to unravel the mysteries of the atmosphere on Venus. The spacecraft was launched from the Tanegashima Space Center on May 20, 2010 (UTC) and became the first Japanese probe to enter orbit around a planet other than the Earth on December 7, 2015.
Akatsuki/IR2 :2 micron camera (IR2), on board Akatsuki. The 2 micron wavelength, which is emitted from below the bottom of Venus' clouds, allows for observing their density, the size of the cloud particles, the distribution of carbon monoxide, and other parameters, allowing for insights into atmospheric circulations at lower altitudes and into how clouds are formed. Zodiacal light was also measured en route to Venus to investigate on the dust distributed in the solar system.id:Akatsuki/IR2.a

Akatsuki/IR2.1650nm16553.1016619.7616468.7714915.1418291.342688.721004.821.1e-10AkatsukiIR2Akatsuki IR2 1650nm transmission
Akatsuki/IR2.1740nm17417.4417418.8417417.0017111.1317722.48410.26917.249.06e-11AkatsukiIR2Akatsuki IR2 1740nm transmission
Akatsuki/IR2.2020nm20224.4620225.6020222.7519916.5320543.26391.74734.745.39e-11AkatsukiIR2Akatsuki IR2 2020nm transmission
Akatsuki/IR2.2260nm22699.9722702.1422696.7122277.0823171.55527.60599.663.49e-11AkatsukiIR2Akatsuki IR2 2260nm transmission
X
Akatsuki/IR2.2260nm
Filter Description

Filter ID (?) :Akatsuki/IR2.2260nm
Description (?) :Akatsuki IR2 2260nm transmission
Phot.System (?) :IR2
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :Akatsuki
Instrument (?) :IR2
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 22699.97 ------- (Angstrom)
λmean (?) : 22702.14 ------- (Angstrom)
λcen (?) : 22711.87 ------- (Angstrom)
λeff (?) : 22696.71 ------- (Angstrom)
λpeak (?) : 22551.00 ------- (Angstrom)
λpivot (?) : 22699.97 ------- (Angstrom)
λphot (?) : 22698.16 ------- (Angstrom)
λmin (?) : 22277.08 ------- (Angstrom)
λmax (?) : 23171.55 ------- (Angstrom)
Weff (?) : 527.60 ------- (Angstrom)
FWHM (?) : 576.99 ------- (Angstrom)
Af/AV (?) : 0.117 ------- ()
Fsun (?) : 7.32 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: IR2@NMSU

Transmission components: Filter + Instrumentid:Akatsuki/IR2.2260nm

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.4888e-11(erg/cm2/s/A)
  ------- 599.66(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Akatsuki/IR2.2260nm/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.1125e-10(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Akatsuki/IR2.2260nm/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 62410.28(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Akatsuki/IR2.2260nm/ST
 


Filter added: 2020-10-02 19:46:44
Last update: 2021-07-27 18:35:39
Akatsuki/IR2.2320nm23249.8323250.7323248.5022962.7423544.77353.84575.253.19e-11AkatsukiIR2Akatsuki IR2 2320nm transmission
 

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