Abstract
Changes in Solar Extreme Ultra Violet (EUV) radiation produce some of the largest variations in neutral and ion densities of the upper atmosphere and ionosphere. Because EUV observations are difficult and often not continuous, proxies are typically used to represent the solar EUV flux. These proxies are becoming a significant source of error in the specification of the upper atmosphere. In order to improve our ability to track and model the neutral and ion densities between 80 and 600 km altitude, it is now critical to measure the actual solar EUV flux. We will be flying EUV Sensors (EUVS) on the Geostationary Operational Environmental Satellites (GOES), which are part of the United States National Oceanic and Atmospheric Administration (NOAA) satellite fleet. In this paper we will describe the GOES EUVS instrument.
Published Version
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