X-ray spectroscopy (PDF) - SRON
X-ray spectroscopy (PDF) - SRON
X-ray spectroscopy (PDF) - SRON
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Which elements will we see?<br />
(Athena)<br />
K-shell<br />
Fe XVII<br />
The importance of accurate atomic data<br />
79<br />
80<br />
The importance of Fe XVII<br />
• Stable ion (Ne-like)<br />
• Coldest Fe ion emitting in Fe-L band (cool<br />
core clusters)<br />
•Has handful of strong lines consistency<br />
checks<br />
• Strongest resonance line has large f <br />
resonance scattering effects useful<br />
diagnostic!<br />
Resonance scattering &<br />
turbulence<br />
81<br />
82<br />
Resonance scattering<br />
(NGC 5813, de Plaa et al. 2012)<br />
Measured and predicted line ratios<br />
(de Plaa et al. 2012)<br />
83<br />
84
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