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X-ray spectroscopy (PDF) - SRON

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Separate components in pressure<br />

equilibrium?<br />

• Not all components in<br />

pressure equilibrium<br />

(same Ξ~ξ/T~F/p)<br />

• Division into ξ comps<br />

often poorly defined<br />

• Try continuous<br />

N H (ξ) distribution: see<br />

next slide<br />

Separate components in pressure<br />

equilibrium, or continuous?<br />

Discrete components in<br />

pressure equilibrium?<br />

Continuous N H (ξ)<br />

distribution?<br />

Krongold et al. 2003<br />

109<br />

Steenbrugge et al. 2005<br />

110<br />

Discrete ionisation components in<br />

Mrk 509?<br />

Detmers et al. 2011 paper III<br />

• Fitting RGS spectrum<br />

with 5 discrete<br />

absorber components<br />

(A-E)<br />

• Gives excellent fit<br />

Continuous AMD model?<br />

Detmers et al. 2011<br />

• Fit columns with<br />

continuous (spline) model<br />

• C & D discrete<br />

components!<br />

• FWHM

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