Table 1
Prior assumption for emission models considered.
| Model 1: tbabs*powerlaw | ||
| NH | [0.1,0.3] | Uniform |
| Gamma | [0.5,2.5] | Uniform |
| NormPL | [0.01,100] | Uniform or Log Uniform |
| Model 2: tbabs*(powerlaw+bbodyrad) | ||
| NH | [0.15,0.35] | Uniform |
| Gamma | [1.,3.] | Uniform |
| NormPL | 0.1,10.] | Uniform or Log Uniform |
| kTbb | [0.3,3.] | Uniform |
| NormBB | [100., 1000.] | Uniform or Log Uniform |
| Model 3: tbabs*(powerlaw+bbodyrad) | ||
| NH | [0.2] | Fixed |
| Gamma | [1.7] | Fixed |
| NormPL | 0.1, 10.] | Uniform or Log Uniform |
| kTbb | [0.1,4.5] | Uniform |
| NormBB | [0.1,100000.] | Uniform or Log Uniform |
Notes. The models are defined following the XSPEC convention. NH is given in units of equivalent hydrogen column (in units of 1022 atoms cm−2). Gamma is the power-law photon index. NormPL is the power-law normalization at 1 keV in units of photons keV−1 cm−2 s−1. kTbb is the black-body temperature in keV. NormBB is the blackbody normalization given as 
, 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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