Table 2
Best fitting parameters from modeling INTEGRAL spectra with powerlaw, cutoffpl, and nthcomp models.
| ID | Γ | χ2/ d.o.f. | P null | Γcpl | E fold | χ2/ d.o.f. | ΓComp | k T e | χ2/ d.o.f. | P Ftest | F γ | ||
|
|
|||||||||||||
| powerlaw | cutoffpl | nthcomp | |||||||||||
| IG01 |
|
267.2/32 | < 1 |
|
|
33.6/31 |
|
|
26.7/31 | 1.7 × 10-15 |
|
||
| IG02 |
|
38.4/32 | 20.3 | ... | ... | ... | ... | ... | ... | ... |
|
||
| IG03 |
|
42.7/32 | 9.8 |
|
|
28.1/31 |
|
|
32.8/31 | 3.5 × 10-4 |
|
||
| IG04 |
|
47.6/32 | 3.7 |
|
|
16.1/31 |
|
|
21.0/31 | 8.7 × 10-9 |
|
||
| IG05 |
|
172.7/32 | < 1 |
|
|
38.0/31 |
|
|
51.6/31 | 1.0 × 10-11 |
|
||
| IG061 |
|
90.8/32 | < 1 |
|
|
29.2/31 |
|
> 280 | 28.7/31 | 3.9 × 10-9 |
|
||
| IG062 |
|
33.6/32 | 38.8 | ... | ... | ... | ... | ... | ... | ... |
|
||
| IG07 |
|
32.7/32 | 43.4 | ... | ... | ... | ... | ... | ... | ... |
|
||
| IG081 |
|
41.1/32 | 13.0 | ... | ... | ... | ... | ... | ... | ... |
|
||
| IG082 |
|
30.3/32 | 55.2 | ... | ... | ... | ... | ... | ... | ... |
|
||
| IG09 |
|
183.1/32 | < 1 |
|
|
39.5/31 |
|
|
55.7/31 | 7.4 × 10-12 |
|
||
| IG10 |
|
47.8/32 | 3.6 |
|
|
26.0/31 |
|
|
28.7/31 | 1.6 × 10-5 |
|
||
| IG11 |
|
22.0/32 | 90.8 | ... | ... | ... | ... | ... | ... | ... |
|
||
| IG121 |
|
27.5/32 | 69.2 | ... | ... | ... | ... | ... | ... | ... |
|
||
| IG122 |
|
14.3/32 | 99.7 | ... | ... | ... | ... | ... | ... | ... |
|
||
| IG123 |
|
19.9/24 | 70.2 | ... | ... | ... | ... | ... | ... | ... |
|
||
| IG13 |
|
16.8/32 | 98.7 | ... | ... | ... | ... | ... | ... | ... |
|
||
Notes. The first column is the INTEGRAL group ID, Pnull is the null hypothesis probability (that we can reject the model), and PFtest shows the probability of change improvement from the F-test (powerlaw vs. cutoffpl). Flux Fγ is computed in the 20−500 keV band and the units are in 10-9 erg cm-2 s-1; the folding energy Efold and the electron temperature kTe are given in keV.
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