Table 3.
RELXILL and RELXILLLP (i.e., lamp-post) model parameters.
Model | Model parameter | XMM-2000 | Joint XMM+NuSTAR 2017 |
---|---|---|---|
RELXILL | NH | 0.097![]() |
0.102![]() |
Normalization × 10−5 | 3.44![]() |
8.15![]() |
|
Γ | 1.74![]() |
1.87 ± 0.01 | |
Total flux (a) | 7.54 | 18.3/9.2 | |
a | ≥0.78 | ≥0.98 | |
θ(b) | 38° ![]() |
41° ![]() |
|
log(ξ) | 2.75![]() |
2.70![]() |
|
AFe (Solar) | 2.51 ![]() |
2.11![]() |
|
R | 0.81 ± 0.41 | 0.49![]() |
|
χ2/d.o.f. | 136.7/134 (1.02) | 557.7/459 (1.21) | |
RELXILL_LP | NH | 0.089 ± 0.011 | 0.098 ± 0.003 |
Normalization × 10−4 | 2.21![]() |
5.00![]() |
|
Γ | 1.71![]() |
1.86 ± 0.01 | |
Total flux (a) | 7.49 | 19.3/9.8 | |
a | ≥0.64 | ≥0.97 | |
θ(b) | 38° ![]() |
41° ![]() |
|
log(ξ) | 2.77![]() |
2.70![]() |
|
AFe | 3.07![]() |
1.66![]() |
|
R | 2.71![]() |
1.60![]() |
|
h(c) | ≤4.6 | 3 | |
χ2/d.o.f. | 137.3/133 (1.03) | 587.6/458 (1.28) |
Notes. The fits shown in this table were performed separately for the 2000 and 2017 data sets. The fixed parameters in the model are β1 = 5, β2 = 3, Rbr = 4 Rg, Rin = 1 (RISCO), and Rout = 400 Rg (see text for details). NH is given in units of 1022 cm−2, the power law normalization factor with the units of photons keV−1 cm−2 s−1 at 1 keV, the total flux for each energy range in units of 10−11 erg cm−2 s−1, ξ′ in units of erg cm s−1, AFe in solar units, and h in Rg.
Absorption-corrected fluxes were estimated for the following ranges: 0.23−10 keV (2000) and 0.7−10 keV (2011). For the latter, the total flux is the average of the XIS cameras. For the 2017 spectrum, separate calculations were made for the ranges: 0.23−10 keV(XMM)/3−50 keV(NuSTAR). The total flux of the 3−50 keV range is the average value of the FPM detectors.
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