The large-scale shock in the cluster of galaxies Hydra A

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Table 1:

Best-fit parameters for the shocked surface brightness model in the four sectors.
Sector	Radius	$\eta$	Mach	Shock energy	Shock age
	(arcmin)		number	(10⁶¹ erg)	(Myr)
Np^a	6.0	2.9	$1.30\pm0.08$	$2.3\pm1.0$	$230\pm30$
Ep	5.0	2.8	$1.34\pm0.06$	$2.6\pm0.6$	$170\pm16$
Sp	4.3	2.7	$1.30\pm0.06$	$2.0\pm0.7$	$154\pm20$
Wp	4.0	2.7	$1.33\pm0.06$	$2.3\pm0.7$	$132\pm16$
Nc^b	6.0	2.9	$1.33\pm0.08$	$2.7\pm1.0$	$215\pm30$
Ec	5.0	2.7	$1.30\pm0.05$	$2.0\pm0.5$	$180\pm16$
Sc	4.3	2.7	$1.23\pm0.06$	$1.4\pm0.6$	$171\pm18$
Wc	4.0	2.7	$1.25\pm0.06$	$1.6\pm0.6$	$151\pm18$

^a Annuli shape based on the pressure map.
^b Annuli shape based on the Chandra image.

Source LaTeX | All tables | In the text

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