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Solar Physics

, Volume 290, Issue 2, pp 645–655 | Cite as

Total Solar Irradiance Monitor for the FY-3B Satellite – Space Experiments and Primary Data Corrections

  • Hongrui Wang
  • Huiduan Li
  • Jin Qi
  • Wei FangEmail author
Article

Abstract

We present space experiments of the Total Solar Irradiance Monitor (TSIM) on the FY-3B satellite. The total solar irradiance (TSI) has been measured by TSIM/FY-3B continuously for nearly four years, with some short data gaps. Overlapping measurements of the TSI are provided by the TSIM, with three electrical substitution radiometers that are mounted with different alignment angles onto the leading face of the satellite. TSI measurements are normalized to a distance of 1 AU and zero velocity with respect to the Sun. The relative uncertainty in the TSI measurements is 910 parts per million. TSI values measured with TSIM/FY-3B are around 1365 W m−2, slightly lower than VIRGO/SOHO and higher than TIM/SORCE values. Most of the time, it is found that short time-scale variations in TSI detected by TSIM/FY-3B agree with other space TSI instruments.

Keywords

Instrumentation Radiometers Total solar irradiance 

Notes

Acknowledgements

This work is supported by the Development Plan Project for Science and Technology of Jilin Province (No. 20130101044JC), Basic Research Project for application of Yunnan Province (No. 2012FD050) and Natural Science Foundation of China (No. 61077080). The authors would like to thank the many people engaged in the TSIM project for their hard work and technical support, including Chenghu Gong, Baoqi Song, Xin Ye in Changchun Institute of Optics, Fine Mechanics and Physic. The authors are grateful to Bingxi Yu, our previous project leader of TSIM, for his great contributions to the TSIM project. The authors would also like to thank for the valuable suggestions and help from the referee. The TSI dataset of TIM/SORCE was generously provided by the TIM team, Laboratory for Atmospheric and Space Physics, University of Colorado, USA. The TSI data of TIM/SORCE were obtained from its web site at http://lasp.colorado.edu/home/sorce/data/tsi-data/ . The unpublished TSI data of VIRGO/SOHO were provided kindly by the VIRGO team through its FTP site at PMOD/WRC, Davos, Switzerland.

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  1. 1.Changchun Institute of Optics, Fine Mechanics and PhysicsChinese Academy of SciencesChangchunChina
  2. 2.Department of Chemistry and Life ScienceChuxiong Normal UniversityChuxiongChina
  3. 3.National Satellite Meteorological CenterChina Meteorological AdministrationBeijingChina

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