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Study of the Sun and Moon as Radiation Calibration Targets

Vuoriletho, A.(1) and Korpela, S.(1) and Thuillier, G.(2) and Jaumann, R. and Mottola, S. (1994) Study of the Sun and Moon as Radiation Calibration Targets. Project Report, DLR-Interner Bericht. Study of the Sun and Moon as Radiation Calibration Targets Final Report, ESA Contract Number 10346/93/NL/CN, 144 S. Space Systems Finland Ltd., Espoo, Finland.

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Abstract

This study determined the calibration accuracy when the Sun and the Moon were used as radiometric calibration targets for three spacebornspectrometers: Global Ozone Measurement Experiment (GOME), and partially MERIS and SCHIAMACHY. The most recent Sun measurement data was used to determine the Solar irradiance, variance and the suitable calibration Fraunhofer lines for the spectrometers. The most recent data of the Moon formed a database containing all the relevant information for using the Moon as a calibration target. Thefinal part of the study concentrating of utilising the Sun and Moon radiometric information in determining the effects of the satellite attitude errors, instrument pointing restrictions and the effects of the Sun and the Moon orbits in the calibration procedure. The Sun calibration can be performed during each orbit, with accuracy of 0.7%, were 0.6% arises from wavelength independent irradiance variations, and 0.17% from the satellite way-axis random errors. Calibration accuracy of 0.7% is acceptable and the Sun calibration will be used in GOME mission. The Moon calibration is possible about 20 times per year, with an accuracy only 14% per scan, where main error source is the variation in the Moon viewing time through the GOME slit, caused by the satellite roll-axis random error. If more than one Moon scan is used,the calibration acuracy can be improved. For seven consecutive Moon scans the accuracy will be 5%.

Document Type:Monograph (Project Report, DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1994,
Title:Study of the Sun and Moon as Radiation Calibration Targets
Authors:
AuthorsInstitution or Email of Authors
Vuoriletho, A.(1)UNSPECIFIED
Korpela, S.(1)UNSPECIFIED
Thuillier, G.(2)UNSPECIFIED
Jaumann, R.UNSPECIFIED
Mottola, S.UNSPECIFIED
Date:1994
Journal or Publication Title:Study of the Sun and Moon as Radiation Calibration Targets Final Report, ESA Contract Number 10346/93/NL/CNFinal Report
Number of Pages:144
Publisher:Space Systems Finland Ltd., Espoo, Finland
Status:Published
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Institut für Planetenerkundung
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 09:47

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