NDLI: Instrument Description: The Total Solar Irradiance Monitor on the FY-3C Satellite, an Instrument with a Pointing System

Content Provider	Springer Nature Link
Author	Wang, Hongrui Wang, Yupeng Ye, Xin Yang, Dongjun Wang, Kai Li, Huiduan Fang, Wei
Copyright Year	2016
Abstract	The Total Solar Irradiance Monitor (TSIM) onboard the nadir Feng Yun-3C (FY-3C) satellite provides measurements of the total solar irradiance with accurate solar tracking and sound thermal stability of its heat sink. TSIM/FY-3C mainly consists of the pointing system, the radiometer package, the thermal control system, and the electronics. Accurate solar tracking is achieved by the pointing system, which greatly improves the science data quality when compared with the previous TSIM/FY-3A and TSIM/FY-3B. The total solar irradiance (TSI) is recorded by TSIM/FY-3C about 26 times each day, using a two-channel radiometer package. One channel is used to perform routine observation, and the other channel is used to monitor the degradation of the cavity detector in the routine channel. From the results of the ground test, the incoming irradiance is measured by the routine channel (AR1) with a relative uncertainty of 592 ppm. A general description of the TSIM, including the instrument modules, uncertainty evaluation, and its operation, is given in this article.
Starting Page	1
Ending Page	12
Page Count	12
File Format	PDF
ISSN	00380938
Journal	Solar Physics
Volume Number	292
Issue Number	1
e-ISSN	1573093X
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-12-12
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Astrophysics and Astroparticles Atmospheric Sciences Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics)
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Space and Planetary Science

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Instrument Description: The Total Solar Irradiance Monitor on the FY-3C Satellite, an Instrument with a Pointing System