Double radio relics and the radio halo in the high-redshift galaxy cluster El Gordo with the Upgraded GMRT

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Table 3.

Flux densities of the diffuse sources in El Gordo.

Radio	S_366 MHz	S_672 MHz	S_1274 MHz	α	P_1.4 GHz	LLS
Emission	mJy	mJy	mJy		10²⁵ W Hz⁻¹	kpc
Radio Halo	34.3 ± 3.5	16.0 ± 1.6	8.7 ± 1.0	−1.0 ± 0.3	3.20 ± 0.20	1230
NW Relic	51.2 ± 5.1	23.0 ± 2.3	10.5 ± 1.0	−1.3 ± 0.4	4.50 ± 0.20	840
SE Relic	4.0 ± 0.4	2.5 ± 0.3	1.10 ± 0.17	−1.4 ± 0.4	0.47 ± 0.07	800
E Relic	3.9 ± 0.4	1.9 ± 0.2	0.9 ± 0.2	−1.4 ± 0.2	0.44 ± 0.08	430
E Relic Ext	2.4 ± 0.2	0.7 ± 0.1	< 0.15	−2.1 ± 0.4	0.38 ± 0.07	600

Notes. The spectral indices (α) are from the fits shown in Figure 5. The largest linear sizes (LLS) are measured from the band 3 image presented in Figure 2.

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