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| Features of the X-Ray Band: |
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| Highly Ionized Atoms |
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| v | The
conventional (soft) x-ray band |
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| (1 to 100 Å or ~ 0.2 – 10 keV) |
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| comprises emission lines from many |
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| K-shell and L-shell ions pertaining to |
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| many elements (C – Ni). |
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| v | The x-ray band is uniquely compact, |
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| having several ions appear from each |
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| element and many lines present from |
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| each ion. |
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| v | The wealth of lines and ions allows |
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| for elaborate plasma diagnostics such |
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| as temperatures, densities, ionization |
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| state, and elemental abundances. |
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| 5 |