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Table 4

Model priors for the spectral fits.

Parameter Spectral Prior Range modela
NH (cm−2) tbvarabs Jeffreys 1017−1024
NH (cm−2) tbpcf Jeffreys 1017−1024
pcf tbpcf uniform 0 − 1
Γ powerlaw uniform −2−4
norm (keV−1cm−2s−1) powerlaw Jeffreys 10−8−102
kT (keV) bbodyrad uniform 10−3−10
normb bbodyrad Jeffreys 10−3−107
Tin (keV) diskbb uniform 10−3−0.3
normb diskbb Jeffreys 10−6−107

Notes. (a)Model names from Xspec. (b)Rkm2/D102Mathematical equation: $R_{km}^2/D_{10}^2$, where Rkm is the source radius in km and D10 is the distance to the source in units of 10 kpc.

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