Solar spectral flux radiometer ssfr
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Solar Spectral Flux Radiometer (SSFR). ATTREX Science Team Meeting Oct. 23, 2013 NASA ARC/University of Colorado. VIS-NIR: 256 element silicon diode array 260-1090 nm, 3 .0 nm sampling, 8 nm FWHM NIR: 256 element InGaAs array 903-2217 nm, 5.0 nm sampling, 16 nm FWHM. 16-bit system

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Solar Spectral Flux Radiometer (SSFR)

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Solar spectral flux radiometer ssfr

Solar Spectral Flux Radiometer (SSFR)

ATTREX

Science Team Meeting

Oct. 23, 2013

NASA ARC/University of Colorado


Solar spectral flux radiometer ssfr

VIS-NIR: 256 element silicon diode array

260-1090 nm, 3.0 nm sampling, 8 nm FWHM

NIR: 256 element InGaAs array

903-2217 nm, 5.0 nm sampling, 16 nm FWHM

16-bit system

NIST traceable calibration

Integrating sphere for cosine response

Zeiss Monolithic Spectrometer


Kipp and zonen cg4 pyrgeometer

Kipp and Zonen CG4pyrgeometer

• Wavelength range: 4.5-42 μm

• Simultaneous zenith and nadir viewing

• Hemispheric FOV

• Sampling rate: 1 Hz

• Measured quantities: Upwelling and

downwellingbroadband infrared irradiance

[W m-2]


Solar spectral flux radiometer ssfr1

Solar Spectral Flux Radiometer (SSFR)

  • Since the ATTREX mission in

  • early 2013 SSFR successfully participated in the 2013 SEAC4RS mission

  • 20 DC-8 science flights

  • Instrument returned in good shape

  • Post-mission calibration to be performed soon


Solar spectral flux radiometer ssfr2

Solar Spectral Flux Radiometer (SSFR)

  • For the 2014 ATTREX mission

  • Pre-mission

  • Perform SSFR system functional check (mid to late Oct.)

  • Calibrate SSFR (angular, absolute, wavelength) (late Oct. to mid Nov.)

  • Integrate/test on Global Hawk


Solar spectral flux radiometer ssfr3

Solar Spectral Flux Radiometer (SSFR)

  • Since the ATTREX mission in

  • early 2013 requests been made to modify SSFR light collector and CG4 mounting to nadir fairing

  • Currently major undertaking to remove/install fairing to access light collector and CG4 especially for field calibration

  • Reduce risk to AWAS inlet and line mounted to same fairing

Fairing removed for SSFR cal


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