Table 3
X-ray spectral modelling of observation-averaged X-ray spectra.
| XMM-Newton constant*TBabs*TBvarabs*powerlaw | |||
|---|---|---|---|
| Component | Parameter | Value | Units |
| TBabs(a) | N |
0.0618 (fixed) | 1022 cm−2 |
| TBvarabs | N |
3.1 |
1022 cm−2 |
| powerlaw | Γ | 1.1 ± 0.5 | - |
| Observed flux(b) | 1.0 |
10−13 erg cm−2 s−1 | |
| Luminosity(c) | 2.8 (3.7) | 1034 erg s−1 | |
 /DOF |
411/467 | ||
| eROSITA Obs. 1 constant*TBabs*TBvarabs*powerlaw | |||
| Component | Parameter | Value | Units |
| TBabs(a) | N |
0.0618 (fixed) | 1022 cm−2 |
| TBvarabs | N |
1.2 ± 0.4 | 1022 cm−2 |
| powerlaw | Γ | 0.33 |
– |
| Observed flux(b) | 2.3 |
10−12 erg cm−2 s−1 | |
| Luminosity(c) | 7.1 | 1035 erg s−1 | |
 /DOF |
0.84/55 | ||
| eROSITA Obs. 3 constant*TBabs*TBvarabs*powerlaw | |||
| Component | Parameter | Value | Units |
| TBabs(a) | N |
0.0618 (fixed) | 1022 cm−2 |
| TBvarabs | N |
3.1 |
1022 cm−2 |
| powerlaw | Γ | 0.93 |
– |
| Observed flux(b) | 2.6 |
10−12 erg cm−2 s−1 | |
| Luminosity(c) | 1 | 1036 erg s−1 | |
 /DOF |
1.03/67 | ||
Notes.
(a) Contribution of Galactic foreground absorption, column density fixed to the weighted average value of Dickey & Lockman (1990).
(b) Observed flux for the best-fit model in the 0.2–10.0 keV energy band. In the case of eROSITA Obs. 1, the normalisation constant for TM4 with TM3 fixed to 1 is 1.28
. In the case of eROSITA Obs. 3 the values are 1.00
, 0.87
, 1.01
for TM2, TM3 and TM6, respectively (the constant for TM1 fixed to 1). Fluxes reported are the average values inferred from the simultaneous fit.
(c) Absorption-corrected X-ray luminosity (0.2–10.0 keV), assuming a distance of 50 kpc.
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