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Table 3.

Best-fit values of the parameters associated with Model G.

Component Parameter Model G
syst=CALDB syst=1%
Tbabs NH (×1020) 6.7 ± 1.0
gabs E (keV) 0.727 ± 0.015 0.728 ± 0.013
σ (keV) 0.11 ± 0.03 0.11 ± 0.02
Strength (×10−2)
bbodyrad kT (keV) 0.179 ± 0.007 0.181 ± 0.007
Nbb
Comptb KTs (keV) 0.71 ± 0.09 0.72 ± 0.08
α 0.28 ± 0.04 0.29 ± 0.03
KTe (keV) 2.8 ± 0.3 2.8 ± 0.2
log(A) 8 (fixed) 8 (fixed)
Ncomptb (×10−2) 3.4 ± 0.5 3.4 ± 0.4
gauss E (keV) 6.41 ± 0.03 6.41 ± 0.02
σ (eV) 80 ± 40 80 ± 40
I (×10−4) 4.5 ± 1.1 4.5 ± 1.0
gauss E (keV)
σ (eV) < 250
I (×10−4)
χ2(d.o.f.) 85(139) 117(138)

Notes. Best-fit values adopting the systematic error suggested by the NICER calibration team (third column) and a systematic error of 1% (fourth column). The errors are at 90% c.l.

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