HD93129: Chandra grating spectrum

Alternate wind parameters

6.6479, 6.6866, 6.7403 Angstroms: Si XIII

vinf = 3200
β = 1.0

MEG
Si XIII 6.6479 MEG; beta=1

HEG
Si XIII 6.6479 HEG; beta=1 		[6.56:6.82], λo = 6.6479, 6.6866, 6.7403
vinf=3200
β=1
powerlaw continuum, n=2; norm=1.83e-4
q=0
hinf=0
taustar=1.01   +/- (0.52:1.63)
Ro=1.63   +/- (1.47:1.83)
G=1.13   +/- (0.93:1.35)
φ-ratio = 17  
norm=1.71e-5 +/- (1.60e-5:1.79e-5)
rejection probability = ???% (C=315.00; N=308)
 

Here are the 68%, 90%, and 95% joint confidence limits on taustar and Ro. The filled circle represents the best-fit model, shown as the red histograms on the above plots.

Si XIII 6.6479: joint Ro taustar constraints using MEG and HEG data

 

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last modified: 30 January 2011