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Table 5.
Best-fit spectral parameters derived from the spectral fitting of the contemporaneous Swift/XRT and NuSTAR (FPMA and FPMB) observations of IGR1654 at spin phases.
Model | Parameters | Spin phase |
||||
---|---|---|---|---|---|---|
0.0–0.1 | 0.1–0.2 | 0.2–0.3 | 0.3–0.4 | 0.4–0.5 | ||
pwab | NH, max (×1023 cm−2) | 1.26![]() |
0.99![]() |
1.73![]() |
2.79![]() |
1.41![]() |
β | >−0.55 | −0.05![]() |
−0.26![]() |
−0.38![]() |
−0.30![]() |
|
Mkcflow | nmkcflow (×10−10) M⊙ yr−1 | 3.57![]() |
3.73![]() |
4.20![]() |
4.38![]() |
3.83![]() |
Gaussian | ng (×10−5) | 2.25![]() |
4.37![]() |
3.93![]() |
3.33![]() |
5.00![]() |
X-ray flux | fX0.5 − 78.0(×10−11 erg cm−2 s−1) | 3.98![]() |
4.19![]() |
4.70![]() |
4.90![]() |
4.32![]() |
![]() |
1.26/(140) | 1.10/(147) | 1.08/(151) | 0.96/(147) | 1.08/(150) | |
0.5–0.6 | 0.6–0.7 | 0.7–0.8 | 0.8–0.9 | 0.9–1.0 | ||
pwab | NH, max (×1023 cm−2) | 2.02![]() |
>6.22 | 1.99![]() |
2.84![]() |
4.04![]() |
β | 0.01![]() |
−0.62![]() |
−0.11![]() |
−0.25![]() |
−0.26![]() |
|
Mkcflow | nmkcflow (×10−10) M⊙ yr−1 | 3.07![]() |
3.67![]() |
3.05![]() |
2.89![]() |
2.93![]() |
Gaussian | ng (×10−5) | 3.68![]() |
5.65![]() |
2.60![]() |
5.52![]() |
4.80![]() |
X-ray flux | fX0.5 − 78.0(×10−11 erg cm−2 s−1) | 3.45![]() |
4.14![]() |
3.42![]() |
3.27![]() |
3.30![]() |
![]() |
0.82/(114) | 0.90/(96) | 0.99/(107) | 0.90/(99) | 1.05/(90) |
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