Unmasking the history of 3C 293 with LOFAR sub-arcsecond imaging

Sub-arcsecond imaging with the International LOFAR Telescope

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Table 5

Absorption model fit results for inner lobe regions.

Model	Region	a	α	β	ν_p (GHz)
Homogeneous FFA	E1	1.52 ± 0.05	0.55 ± 0.02	...	0.116 ± 0.009	0.36
	W1	1.25 ± 0.02	0.84 ± 0.01	...	0.145 ± 0.004	0.11

Internal FFA	E1	1.53 ± 0.05	0.55 ± 0.02	...	0.171 ± 0.015	0.35
	W1	1.25 ± 0.03	0.84 ± 0.01	...	0.225 ± 0.008	0.11

SSA	E1	4.14 ± 0.22	...	−2.10 ± 0.05	0.161 ± 0.010	0.38
	W1	4.96 ± 0.12	...	−2.67 ± 0.02	0.189 ± 0.003	0.09

Notes. ‘Model’ lists the absorption model fit to the data. ‘Region’ lists the inner lobe regions, E1 (eastern) or W1 (western). ‘a’, ‘α’, ‘β’ and ‘ν_p ’ list the best fit model parameters obtained along with 1σ errors. ‘’ is the reduced chi-square obtained for the fit.

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