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Proceedings Paper

Solar extreme ultraviolet irradiance observations from GOES: design characteristics and initial performance
Author(s): Rodney Viereck; Fred Hanser; John Wise; Soumyendu Guha; Andrew Jones; Don McMullin; Simon Plunket; Doug Strickland; Scott Evans
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Paper Abstract

Solar EUV irradiance plays a critical role in the variability of the upper atmosphere and ionosphere of Earth. Many systems are impacted by these terrestrial changes including radio communication, GPS navigation, and satellite orbits. Monitoring the solar EUV irradiance in the past has been left to research satellites and there have been long periods where gaps in the observational record make it difficult to study and understand the long-term trends and impacts on Earth. The National Oceanic and Atmospheric Administration (NOAA) has, for the first time, included an EUV Sensor (EUVS) on the Geostationary Environmental Operational Satellite (GOES). This EUV Sensor (EUVS), launched in May 2006, is design to provide the solar EUV irradiance information most critical to understanding and modeling Earth's upper atmosphere. The EUVS has five broad EUV channels between 5 and 125 nm. It uses transmission gratings and thin-film filters for wavelength discrimination and silicon diodes for detectors. The EUVS was extensively calibrated at the Brookhaven National Labs Synchrotron Light Source with calibration standards traceable to NIST. It samples the solar irradiance every ten seconds on a continuous basis from geosynchronous orbit. This paper will provide an overview of the EUVS design, calibration, and performance results.

Paper Details

Date Published: 20 September 2007
PDF: 10 pages
Proc. SPIE 6689, Solar Physics and Space Weather Instrumentation II, 66890K (20 September 2007); doi: 10.1117/12.734886
Show Author Affiliations
Rodney Viereck, NOAA/NWS (United States)
Fred Hanser, Assurance Technology Corp. (United States)
John Wise, Assurance Technology Corp. (United States)
Soumyendu Guha, SGT-INC (United States)
Andrew Jones, Univ. of Colorado (United States)
Don McMullin, Naval Research Lab. (United States)
Simon Plunket, Naval Research Lab. (United States)
Doug Strickland, Computational Physics Inc. (United States)
Scott Evans, Computational Physics Inc. (United States)


Published in SPIE Proceedings Vol. 6689:
Solar Physics and Space Weather Instrumentation II
Silvano Fineschi; Rodney A. Viereck, Editor(s)

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