HD93129: Chandra grating spectrum

Alternate wind parameters

8.421 Angstroms: Mg XII

vinf = 3000
β = 1

MEG
Mg XII 8.4210 MEG

HEG
Mg XII 8.4210 HEG 		[8.32:8.54], λo = 8.4210
vinf=3000
β=1
powerlaw continuum, n=2; norm=2.12e-4
q=0
hinf=0
taustar=1.66   +/- (0.78:3.65)
Ro=1.94   +/- (1.19:2.46)
norm=4.01e-6 +/- (3.50e-6:4.57e-6)
rejection probability = ???% (C=216.63; N=260)
 

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 plot.

Mg XII 8.421: joint Ro taustar constraints using MEG and HEG data

 

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last modified: 30 June 2010