The structure of the solar corona as observed by the Solar Extreme ultraviolet Rocket Telescope and Spectrograph |
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Authors: | Joseph M Davila Roger J Thomas Jeffrey Brosius Arthur Poland |
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Institution: | NASA-Goddard Space Flight Center, Code 682, Greenbelt, MD 20771, USA |
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Abstract: | Data from the Solar Extreme-ultraviolet Rocket Telescope and Spectrograph (SERTS) have been used to address a number of important scientific problems. The primary strength of the SERTS data is the fact that this spectral range is rich with emission lines. Over 270 lines are seen in the SERTS active Sun spectrum, from 57 different ions. For example, multiple (≥4) lines are observed for all ionization states of iron from Fe IX to Fe XVII. Temperatures and densities have been derived for a number of active and quiet Sun regions, the coronal magnetic field strength has been estimated for both a plage region and an active region. |
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