Discovery of large-scale diffuse radio emission and of a new galaxy cluster in the surroundings of MACS J0520.7-1328

G. Macario; H. T. Intema; C. Ferrari; H. Bourdin; S. Giacintucci; T. Venturi; P. Mazzotta; I. Bartalucci; M. Johnston-Hollitt; R. Cassano; D. Dallacasa; G. W. Pratt; R. Kale; S. Brown

doi:10.1051/0004-6361/201323275

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Volume 565 (May 2014)

A&A, 565 (2014) A13

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Table 1

Properties of the diffuse radio emission.

	Integrated flux densities [mJy]	Angular extent	Linear extent^*	P _{323 MHz} ^*
	(323 MHz) (1400 MHz)	(“×”)	(kpc × kpc)	(W Hz^-1)


D1	61.2 ± 5.7 9.0 ± 1.6	2.8 × 1.4	800 × 400	2.3 × 10²⁵
D2	32.0 ± 3.6 7.2 ± 1.6	1.8 × 1.3	520 × 370	1.2 × 10²⁵
D3	34.7 ± 4.0 1.9 ± 1.4	2.7 × 1.3	780 × 375	1.3 × 10²⁵
D4	48.5 ± 5.0 8.4 ± 1.9	2.2 × 1.9	635 × 550	1.8 × 10²⁵

Notes.

^(*)

Assuming the emission is located at the redshift of M0520.

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