Using LASCO-C1 spectroscopy for coronal diagnostics |
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| Authors: | M Mierla R Schwenn L Teriaca G Stenborg B Podlipnik |
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| Institution: | aMax-Planck-Institut für Sonnensystemforschung, Solar Physics Department, Max-Planck-Street 2, D-37191 Katlenburg-Lindau, Germany;bNASA Goddard Space Flight Center, Greenbelt, MD 20771, USA |
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| Abstract: | The LASCO-C1 telescope was designed to perform spectral analysis of coronal structures by means of a tunable Fabry–Pérot interferometer acquiring images at different wavelengths. Results from spectral scans of the Fe xiv 5303 Å green coronal emission line are presented. Physical quantities like the ion temperature (line widths), and the flow velocity along the line of sight (Doppler shifts) are obtained over the entire corona. |
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| Keywords: | Sun: corona Sun: Fe xiv Sun: dynamics of corona Sun: line width |
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