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Table 2

Comparison of different spatial models.

Model Δ ln ℒ ΔAIC
Extended Gaussian +Western + Off-field 0 0

Extended Gaussian + 2 Gaussians (IG peaks) + Western + Off-field 316 [246,316] −622[−622, −492]

Extended Gaussian + IG template + Western + Off-field 435 [379,435] −868 [−868, −746]

Notes. ln ℒ and AIC values are provided as differences with respect to the simplest model with only one 2D Gaussian for the extended emission of the cocoon. The intervals correspond to the minimum and maximum spin temperatures considered. The Western and Off-field components are named later FCES G78.83+3.57 and FCES G85.00−1.78.

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