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Jorit Leenaarts, Mr. - PhD |
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Institute for Solar Physics, Stockholm University, Stockholm, Sweden |
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Session 3 - Invited Speaker |
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Modeling the Mg II h & k lines observed by IRIS and the Ca II H & K lines observed from the ground |
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J. Leenaarts, Institute for Solar Physics, Stockholm University, Stockholm, Sweden |
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The Mg II h & k and Ca II H & K lines have similar formation properties.
Their main difference is the 18 times larger abundance of Mg compared to Ca. This
leads to a significant height difference of the line-core
optical-depth-unity-heights. I will review the formation of the Ca and Mg lines, and
discuss their diagnostic potential, in particular if observed simultaneously. |
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