Spectral aging analysis of the 3C 219 double-double radio galaxy

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Table 3.

Basic lobe parameters and the results of spectral age modeling.

Lobe	Model	α_inj^(a)	Average age ^(a) [Myr]	χ_red²	B [μG]	V [cm³]	L_1.5 Ghz [erg s⁻¹]
Northern outer	JP-Tribble	$0 . 73_{- 0.05}^{+ 0.05}$ $0.73_{-0.05}^{+0.05}$	9.6 $_{- 0.8}^{+ 0.9}$ $^{+0.9}_{-0.8}$	0.33	6.4 ± 1.8	(8.2 ± 4.1)⋅10⁷⁰	(3.0 ± 0.3)⋅10³³
Southern outer	JP-Tribble	$0 . 74_{- 0.04}^{+ 0.05}$ $0.74_{-0.04}^{+0.05}$	8.4 $_{- 0.9}^{+ 0.8}$ $^{+0.8}_{-0.9}$	0.69	6.9 ± 1.9	(7.8 ± 3.9)⋅10⁷⁰	(3.6 ± 0.4)⋅10³³
Northern inner	JP	$0 . 83_{- 0.17}^{+ 0.08}$ $0.83_{-0.17}^{+0.08}$	0 $_{- 0}^{+ 0.2}$ $^{+0.2}_{-0}$	2.41	61 ± 17	(7.7 ± 3.9)⋅10⁶³	(2.8 ± 0.3)⋅10³¹
Southern inner	JP	$0 . 8_{- 0.14}^{+ 0.05}$ $0.8_{-0.14}^{+0.05}$	0 $_{- 0}^{+ 0.2}$ $^{+0.2}_{-0}$	0.29	39 ± 11	(6.7 ± 3.4)⋅10⁶⁵	(1.1 ± 0.1)⋅10³²

Notes.

^(a)

Modeled with integrated flux densities from each lobe.

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