Article (Scientific journals)
The New SCIAMACHY Reference Solar Spectral Irradiance and Its Validation
Hilbig, T.; Weber, M.; Bramstedt, K. et al.
2018In Solar Physics, 293
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Keywords :
Solar irradiance; Spectrum; SCIAMACHY; Instrumentation and data management
Abstract :
[en] This paper describes a new reference solar spectrum retrieved from measurements of the satellite instrument SCIAMACHY in the wavelength region from 0.24 μm to 2.4 μm and its comparison with several other established solar reference spectra. The SCIAMACHY reference spectrum was recorded early in the mission before substantial optical degradation due to the harsh space environment sets in. The radiometric calibration of SCIAMACHY, applied in this study, includes a physical model of the scanner unit. Furthermore, SCIAMACHY's internal white light source (WLS) is used to correct for on-ground to in-flight changes. The resultant calibrated solar spectrum from SCIAMACHY is in good agreement with several available solar spectral irradiance (SSI) references in the visible spectral range. Strong throughput losses due to detector icing in the near infrared (NIR) are now adequately accounted for. Nevertheless, a deficit with respect to the ATLAS-3 composite and SORCE/SIM SSI is observed in the NIR. However, the SCIAMACHY solar reference spectrum agrees well with the recently re-evaluated SOLAR/SOLSPEC-ISS and recent ground measurements taken at Mauna Loa in the NIR.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Hilbig, T.;  Institute of Environmental Physics, University of Bremen, Bremen, Germany
Weber, M.;  Institute of Environmental Physics, University of Bremen, Bremen, Germany
Bramstedt, K.;  Institute of Environmental Physics, University of Bremen, Bremen, Germany
Noël, S;  Science and technology > Utrecht
Burrows, J. P.;  Institute of Environmental Physics, University of Bremen, Bremen, Germany
Krijger, J. M.;  SRON Netherlands Institute for Space Research, Utrecht, The Netherlands ; Earth Space Solutions, Utrecht, The Netherlands
Snel, R.;  SRON Netherlands Institute for Space Research, Utrecht, The Netherlands ; Science & Technology, Utrecht, The Netherlands
Meftah, M.;  LATMOS, Université Paris Saclay, UVSQ, CNRS, Guyancourt, France
Damé, L.;  LATMOS, Université Paris Saclay, UVSQ, CNRS, Guyancourt, France
Bekki, S.;  LATMOS, Université Paris Saclay, UVSQ, CNRS, Guyancourt, France
Bolsée, D.;  Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Pereira, N.;  Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Sluse, Dominique  ;  BIRA-IASB > Solar Irradiance
More authors (3 more) Less
Language :
English
Title :
The New SCIAMACHY Reference Solar Spectral Irradiance and Its Validation
Publication date :
01 August 2018
Journal title :
Solar Physics
ISSN :
0038-0938
Publisher :
Kluwer Academic Publishers, Netherlands
Volume :
293
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
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