Table 3.

Definition of the parameters used in the decision tree for “M” sources (i.e. PYBDSF sources fitted with multiple Gaussians) in Fig. 6.

Parameter Definition
Source LR LRsource >  0.639
Any Gaussian LR At least one Gaussian component has LRgauss >  0.639
High source LR LRsource >  6.39
N Gaussian LR N Gaussian components have LRgauss >  0.639
Same as source The ID(s) for the Gaussian component(s) are identical to the ID for the source
Source LR much better LRsource >  10 & LRgauss <  10 & LRsource >  10LRgauss
Gaussian LR better LRgauss >  10 & LRsource <  10 & LRgauss >  10LRsource
Same LR much better LRsource >  100 & LRgauss(same) >  5LRgauss(different)
Widely separated Gaussians Maximum separation between Gaussian components of the PYBDSF source larger than 15″
Large neighbour Large (> 10″) neighbour within 100″
High LR for small Gaussians LRgauss >  6.39 & the Gaussian size is < 10″

Notes. See Sect. 6.6 for details.

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