Suzaku X-ray study of the double radio relic galaxy cluster CIZA J2242.8+5301

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Table 5

Shock properties at the northern and southern radio relic.

	T ₂ ^a	T ₁ ^a	Mach No.^b	v _shock ^c	Compression	Power-law slope^d	Spectrum index
	(keV)	(keV)	ℳ	(km s^-1)	C	p	α


Northern						2.64 ± 0.30	0.81 ± 0.15
Southern	9.0 ± 0.6

Notes. 1, 2 indicate pre-shock and post-shock, respectively.

^(a)

The error ranges calculated by considering statistical and systematic errors (see text in Sect. 3.2 for details).

^(b)

From the Rankine-Hugoniot temperature jump condition .

^(c)

The shock speed v_shock = ℳ·v_s.

^(d)

Expected Power-law slope p = (C + 2)/(C − 1).

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