Table 1
Best-fit parameters for the diffuse X-ray emission of G20.0-0.2 between 1.0 and 7.0 keV.
| Model | χ2/d.o.f. | NH | ΓX | Te | F (1.0–7.0 keV) | L (1.0–7.0 keV) |
| [× 1022 cm-2] | [keV] | [× 10-13 erg cm-2 s-1 ] | [× 1033 erg s-1] | |||
|
|
||||||
| Power law | 62.16/62 | 4* | 1.87 |
– | 5.29 |
1.28 |
| Power law | 61.97/61 | 3.41 |
1.64 |
– | 4.63 |
1.12 |
| Nei | 64.84/61 | 4* | – | 4.97 |
5.11 |
1.24 |
| Nei | 64.83/60 | 4.1 |
– | 4.82 |
5.51 |
1.34 |
Notes.The symbol (*) indicates that the parameter was frozen. For the nei model, the abundance is solar (from Anders & Grevesse 1989). F is the unabsorbed flux. The unabsorbed luminosity L was calculated for a distance of 4.5 kpc (see Sect. 2.2). Errors quoted are 90%.
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