PyXspec fit comparisons with NuSTAR orbit 8 data

Sarah's fit

Current default best fit

best fit EM: 1.2502128297687259e+44
best fit factor: 1.5187829098862766
best fit statistics: c-stat=53.80822184535737, chisq=34.09523579247374

Fits for fixed T=3MK, 5MK,7MK,10MK, 50MK

Fits for fixed T=2MK, 4MK,5MK,6MK, 7MK

Temperature (MK) EM fit (cm^-3) FPMB factor C-stat Chisq
0 2.0 5.649348e+45 1.536464 63.292391 49.326351
1 4.0 5.732540e+42 1.493883 63.266930 30.890151
2 5.0 1.460356e+42 1.476452 76.995606 33.566846
3 6.0 5.705979e+41 1.461938 91.277299 37.268072
4 7.0 2.876387e+41 1.450823 103.861151 40.945339

Open questions

  • meaning of C-statistic
  • make sure I get total C-statistic...