# Ne X 12.134 Angstroms

## Models with isotropic porosity

Note: Both MEG and HEG are fit simultaneously. There are 805 MEG counts and 271 HEG counts in the spectral region we fit (and plot below). See the fitting log. We eliminated the red wing beyond 12.18 due to blending with an iron line at 12.24.

Same continuum fit as we used for the non-porous models: *n*=2, best-fit norm=1.64e-3. View the spectral region near the line: MEG or HEG.

This model is nearly identical to the best-fit non-porous model; any amount of porosity makes the fit worse. Some of the confidence limits (e.g. the upper limit on taustar) are different when porosity is allowed.

Here are the 68%, 90%, and 95% joint confidence limits on *h*_{inf} and taustar. The asterisk represents the best-fit model, shown as the red histograms on the above two plots.

And here are the joint constraints on taustar and *u*_{o}:

Next, we fit anisotropic porosity models to the data.

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*last modified*: 4 June 2008