Table 2: Spectral fits of the central region (radius 100 arcsec) with three different models, and of regions Ring 1 (radius 100 to 250 arcsec) and Ring 2 (radius 250 to 400 arcsec) 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 Center Center Center Ring 1 Ring 1 Ring 2 Ring 2

Model vmekal cevmkl vapec vmekal vapec vmekal vapec

$N_{\rm H}$ $\rm 2.50_{-0.12}^{+0.10}$ $\rm 2.70_{-0.02}^{+0.02}$ $\rm 2.83_{-0.002}^{+0.001}$ $\rm 1.78_{-0.15}^{+0.18}$ $\rm 1.985_{-0.001}^{+0.001}$ $\rm 1.194_{-0.002}^{+0.002}$ $\rm 1.448_{-0.002}^{+0.001}$

kT (keV) $\rm 4.30_{-0.03}^{+0.04}$ $\rm 5.77_{-0.15}^{+0.15}$ $\rm 4.18_{-0.03}^{+0.03}$ $\rm 5.70_{-0.04}^{+0.09}$ $\rm 5.69_{-0.08}^{+0.05}$ $\rm 6.28_{-0.13}^{+0.10}$ $\rm 6.20_{-0.14}^{+0.08}$

Redshift $\rm0.0530^{-0.0002}_{+0.0002}$ $\rm0.0533_{-0.0004}^{+0.0001}$ $\rm0.0535_{-0.0004}^{+0.0004}$ $\rm0.0527_{-0.0009}^{+0.0011}$ $\rm0.0535_{-0.0006}^{+0.0010}$ $\rm0.0505_{-0.0009}^{+0.0047}$ $\rm0.0539_{-0.0005}^{+0.0004}$

$\chi ^{2}$ 1741 1670 1755 1770 1766 1437 1427

d.o.f. 1491 1490 1491 1636 1635 1346 1332

O $\rm0.25^{-0.05}_{+0.06}$ $\rm0.30_{-0.05}^{+0.05}$ $\rm0.38_{-0.06}^{+0.09}$ $\rm0.022_{-0.022}^{+0.089}$ $\rm0.20_{-0.12}^{+0.11}$ $\rm0.32_{-0.15}^{+0.18}$ $\rm0.25_{-0.19}^{+0.24}$

Ne $\rm0.53^{-0.09}_{+0.10}$ $\cdots$ $\rm0.78_{-0.10}^{+0.15}$ $\rm0.32_{-0.11}^{+0.12}$ $\rm0.44_{-0.12}^{+0.19}$ $\rm0.75_{-0.19}^{+0.18}$ $\rm 1.01_{-0.23}^{+0.27}$

Mg $\cdots$ $\rm0.18_{-0.10}^{+0.10}$ $\rm0.17_{-0.12}^{+0.13}$ $\cdots$ $\cdots$ $\rm0.29_{-0.24}^{+0.24}$ $\cdots$

Si $\rm0.55^{-0.06}_{+0.07}$ $\rm0.60_{-0.06}^{+0.06}$ $\rm0.56_{-0.07}^{+0.08}$ $\rm0.16_{-0.09}^{+0.09}$ $\rm0.15_{-0.10}^{+0.10}$ $\cdots$ $\cdots$

S $\rm0.27^{-0.07}_{+0.09}$ $\rm0.35_{-0.08}^{+0.08}$ $\rm0.28_{-0.09}^{+0.09}$ $\cdots$ $\cdots$ $\cdots$ $\cdots$

Ca $\rm0.35^{-0.21}_{+0.24}$ $\rm0.37_{-0.24}^{+0.26}$ $\rm0.46_{-0.23}^{+0.21}$ $\rm0.56_{-0.31}^{+0.31}$ $\rm0.57_{-0.33}^{+0.29}$ $\rm0.79_{-0.50}^{+0.56}$ $\rm 1.09_{-0.58}^{+0.55}$

Fe $\rm0.408^{-0.013}_{+0.018}$ $\rm0.409_{-0.011}^{+0.012}$ $\rm0.451_{-0.014}^{+0.014}$ $\rm0.271_{-0.013}^{+0.012}$ $\rm0.296_{-0.015}^{+0.012}$ $\rm0.236_{-0.021}^{+0.021}$ $\rm0.261_{-0.020}^{+0.024}$

Ni $\rm 1.39^{-0.25}_{+0.24}$ $\rm 1.54_{-0.24}^{+0.24}$ $\rm 1.25_{-0.29}^{+0.19}$ $\rm0.46_{-0.28}^{+0.27}$ $\cdots$ $\rm 1.34_{-0.49}^{+0.54}$ $\rm 1.37_{-0.45}^{+0.75}$

**Table 2:** Spectral fits of the central region (radius 100 arcsec) with three different models, and of regions Ring 1 (radius 100 to 250 arcsec) and Ring 2 (radius 250 to 400 arcsec) 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	Center	Center	Center	Ring 1	Ring 1	Ring 2	Ring 2
Model	vmekal	cevmkl	vapec	vmekal	vapec	vmekal	vapec
$N_{\rm H}$	$\rm 2.50_{-0.12}^{+0.10}$	$\rm 2.70_{-0.02}^{+0.02}$	$\rm 2.83_{-0.002}^{+0.001}$	$\rm 1.78_{-0.15}^{+0.18}$	$\rm 1.985_{-0.001}^{+0.001}$	$\rm 1.194_{-0.002}^{+0.002}$	$\rm 1.448_{-0.002}^{+0.001}$
kT (keV)	$\rm 4.30_{-0.03}^{+0.04}$	$\rm 5.77_{-0.15}^{+0.15}$	$\rm 4.18_{-0.03}^{+0.03}$	$\rm 5.70_{-0.04}^{+0.09}$	$\rm 5.69_{-0.08}^{+0.05}$	$\rm 6.28_{-0.13}^{+0.10}$	$\rm 6.20_{-0.14}^{+0.08}$
Redshift	$\rm0.0530^{-0.0002}_{+0.0002}$	$\rm0.0533_{-0.0004}^{+0.0001}$	$\rm0.0535_{-0.0004}^{+0.0004}$	$\rm0.0527_{-0.0009}^{+0.0011}$	$\rm0.0535_{-0.0006}^{+0.0010}$	$\rm0.0505_{-0.0009}^{+0.0047}$	$\rm0.0539_{-0.0005}^{+0.0004}$
$\chi ^{2}$	1741	1670	1755	1770	1766	1437	1427
d.o.f.	1491	1490	1491	1636	1635	1346	1332
O	$\rm0.25^{-0.05}_{+0.06}$	$\rm0.30_{-0.05}^{+0.05}$	$\rm0.38_{-0.06}^{+0.09}$	$\rm0.022_{-0.022}^{+0.089}$	$\rm0.20_{-0.12}^{+0.11}$	$\rm0.32_{-0.15}^{+0.18}$	$\rm0.25_{-0.19}^{+0.24}$
Ne	$\rm0.53^{-0.09}_{+0.10}$	$\cdots$	$\rm0.78_{-0.10}^{+0.15}$	$\rm0.32_{-0.11}^{+0.12}$	$\rm0.44_{-0.12}^{+0.19}$	$\rm0.75_{-0.19}^{+0.18}$	$\rm 1.01_{-0.23}^{+0.27}$
Mg	$\cdots$	$\rm0.18_{-0.10}^{+0.10}$	$\rm0.17_{-0.12}^{+0.13}$	$\cdots$	$\cdots$	$\rm0.29_{-0.24}^{+0.24}$	$\cdots$
Si	$\rm0.55^{-0.06}_{+0.07}$	$\rm0.60_{-0.06}^{+0.06}$	$\rm0.56_{-0.07}^{+0.08}$	$\rm0.16_{-0.09}^{+0.09}$	$\rm0.15_{-0.10}^{+0.10}$	$\cdots$	$\cdots$
S	$\rm0.27^{-0.07}_{+0.09}$	$\rm0.35_{-0.08}^{+0.08}$	$\rm0.28_{-0.09}^{+0.09}$	$\cdots$	$\cdots$	$\cdots$	$\cdots$
Ca	$\rm0.35^{-0.21}_{+0.24}$	$\rm0.37_{-0.24}^{+0.26}$	$\rm0.46_{-0.23}^{+0.21}$	$\rm0.56_{-0.31}^{+0.31}$	$\rm0.57_{-0.33}^{+0.29}$	$\rm0.79_{-0.50}^{+0.56}$	$\rm 1.09_{-0.58}^{+0.55}$
Fe	$\rm0.408^{-0.013}_{+0.018}$	$\rm0.409_{-0.011}^{+0.012}$	$\rm0.451_{-0.014}^{+0.014}$	$\rm0.271_{-0.013}^{+0.012}$	$\rm0.296_{-0.015}^{+0.012}$	$\rm0.236_{-0.021}^{+0.021}$	$\rm0.261_{-0.020}^{+0.024}$
Ni	$\rm 1.39^{-0.25}_{+0.24}$	$\rm 1.54_{-0.24}^{+0.24}$	$\rm 1.25_{-0.29}^{+0.19}$	$\rm0.46_{-0.28}^{+0.27}$	$\cdots$	$\rm 1.34_{-0.49}^{+0.54}$	$\rm 1.37_{-0.45}^{+0.75}$

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