Table 3: Spectral fits of the South Blob (circle of radius 200 arcsec), VSSR (circle of radius 150 arcsec) and Impact regions, with two different models. Abundances are in solar units and error bars are 1 $\sigma$ . Values of $N_{\rm H}$ are in units of $10^{20}~\rm cm^{-2}$ .
Region South Blob South Blob VSSR VSSR Impact Impact

Model vmekal vapec mekal apec mekal apec

$N_{\rm H}$ $\rm0.042_{-0.042}^{+0.046}$ $\rm0.042_{-0.041}^{+0.044}$ $\rm0.93_{-0.29}^{+0.30}$ $\rm 1.00_{-0.30}^{+0.30}$ $\rm0.147_{-0.147}^{+0.548}$ $\rm0.082_{-0.082}^{+0.088}$

kT (keV) $\rm 5.74_{-0.26}^{+0.26}$ $\rm 5.79_{-0.27}^{+0.25}$ $\rm 6.26_{-0.21}^{+0.22}$ $\rm 6.23_{-0.20}^{+0.20}$ $\rm 8.87_{-0.65}^{+0.67}$ $\rm 8.84_{-0.60}^{+0.69}$

Redshift 0.0555 0.0555 0.0555 0.0555 0.0555 0.0555

$\chi ^{2}$ 775 774 916 917 504 502

d.o.f. 758 758 882 882 533 533

O $\rm0.26_{-0.19}^{+0.24}$ $\rm0.40_{-0.30}^{+0.36}$ $\cdots$ $\cdots$ $\cdots$ $\cdots$

Ne $\rm0.75_{-0.30}^{+0.35}$ $\rm 1.11_{-0.43}^{+0.49}$ $\cdots$ $\cdots$ $\cdots$ $\cdots$

Mg $\rm0.52_{-0.40}^{+0.46}$ $\rm0.68_{-0.52}^{+0.52}$ $\cdots$ $\cdots$ $\cdots$ $\cdots$

Si $\rm0.25_{-0.23}^{+0.28}$ $\rm0.35_{-0.29}^{+0.31}$ $\cdots$ $\cdots$ $\cdots$ $\cdots$

Fe $\rm0.168_{-0.031}^{+0.033}$ $\rm0.190_{-0.036}^{+0.037}$ $\rm0.201_{-0.034}^{+0.035}$ $\rm0.223_{-0.038}^{+0.039}$ $\rm0.220_{-0.084}^{+0.085}$ $\rm0.246_{-0.094}^{+0.095}$

**Table 3:** Spectral fits of the South Blob (circle of radius 200 arcsec), VSSR (circle of radius 150 arcsec) and Impact regions, with two different models. Abundances are in solar units and error bars are 1 $\sigma$ . Values of $N_{\rm H}$ are in units of $10^{20}~\rm cm^{-2}$ .
Region	South Blob	South Blob	VSSR	VSSR	Impact	Impact
Model	vmekal	vapec	mekal	apec	mekal	apec
$N_{\rm H}$	$\rm0.042_{-0.042}^{+0.046}$	$\rm0.042_{-0.041}^{+0.044}$	$\rm0.93_{-0.29}^{+0.30}$	$\rm 1.00_{-0.30}^{+0.30}$	$\rm0.147_{-0.147}^{+0.548}$	$\rm0.082_{-0.082}^{+0.088}$
kT (keV)	$\rm 5.74_{-0.26}^{+0.26}$	$\rm 5.79_{-0.27}^{+0.25}$	$\rm 6.26_{-0.21}^{+0.22}$	$\rm 6.23_{-0.20}^{+0.20}$	$\rm 8.87_{-0.65}^{+0.67}$	$\rm 8.84_{-0.60}^{+0.69}$
Redshift	0.0555	0.0555	0.0555	0.0555	0.0555	0.0555
$\chi ^{2}$	775	774	916	917	504	502
d.o.f.	758	758	882	882	533	533
O	$\rm0.26_{-0.19}^{+0.24}$	$\rm0.40_{-0.30}^{+0.36}$	$\cdots$	$\cdots$	$\cdots$	$\cdots$
Ne	$\rm0.75_{-0.30}^{+0.35}$	$\rm 1.11_{-0.43}^{+0.49}$	$\cdots$	$\cdots$	$\cdots$	$\cdots$
Mg	$\rm0.52_{-0.40}^{+0.46}$	$\rm0.68_{-0.52}^{+0.52}$	$\cdots$	$\cdots$	$\cdots$	$\cdots$
Si	$\rm0.25_{-0.23}^{+0.28}$	$\rm0.35_{-0.29}^{+0.31}$	$\cdots$	$\cdots$	$\cdots$	$\cdots$
Fe	$\rm0.168_{-0.031}^{+0.033}$	$\rm0.190_{-0.036}^{+0.037}$	$\rm0.201_{-0.034}^{+0.035}$	$\rm0.223_{-0.038}^{+0.039}$	$\rm0.220_{-0.084}^{+0.085}$	$\rm0.246_{-0.094}^{+0.095}$

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and data reduction
	3 Global properties of the X-ray gas
	4 Radial profiles
	5 Physical properties and metal abundances in various regions
	6 Mass determination
	7 Discussion and conclusions
	References