Table 4
Statistical comparison of different spectral models for the extended sources in Cygnus X.
| Component | ∆ ln ℒLP–PL | ∆ ln ℒSBPL–PL | ΔAICSBPL–LP |
|---|---|---|---|
| FCES G78.74+1.56 (CoExt) | 33 [27, 35] | 42 [36, 43] | −14 [−14, −14] |
| FCES G80.00+0.50 (CoCent) | 1 [1, 1] | … | … |
| FCES G78.83+3.57 (CoWest) | 1 [1, 2] | … | … |
| FCES G85.00−1.78 (OffExc) | 26 [24, 27] | 38 [35, 38] | −22 [−22, −20] |
Notes. The columns show the log-likelihood differences between a log-parabola and a power-law model, ∆ ln ℒLP–PL, or between a smooth broken-power-law and a power-law model, ∆ ln ℒSBPL–PL, and the Akaike information criterion difference between a smooth broken-power-law and a log-parabola model, ΔAICSBPL–LP. The intervals correspond to the minimum and maximum values obtained from variation of the spin temperature.
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