Table 2: NFW and King isothermal sphere fits to the total mass profile of A2218. Errors are $1 \sigma$ .
Parameter NFW Model King model

Full Central point

removed

c
$\rm 4.96^{+0.43}_{-0.42}$ $\rm 5.78^{+0.60}_{-0.54}$ $\rm 9.24^{+0.52}_{-0.50}$

$r_{\rm s}$ ( h₇₀^-1 kpc) $\rm 345^{+39}_{-34}$ $\rm 289^{+38}_{-33}$ $\rm 146^{+11}_{-10}$

r₂₀₀ ( h₇₀^-1 kpc) 1715 1669 1525

$M_{200}~(M_{\odot})$ $6.8 \times 10^{14}$ $6.3 \times 10^{14}$ $4.8 \times 10^{14}$

$\chi^2/{\nu}$ 14.2/8 2.5/7 4.8/8

**Table 2:** NFW and King isothermal sphere fits to the total mass profile of A2218. Errors are $1 \sigma$ .
Parameter	NFW Model	King model
	Full	Central point
		removed
c	$\rm 4.96^{+0.43}_{-0.42}$	$\rm 5.78^{+0.60}_{-0.54}$	$\rm 9.24^{+0.52}_{-0.50}$
$r_{\rm s}$ ( h₇₀^-1 kpc)	$\rm 345^{+39}_{-34}$	$\rm 289^{+38}_{-33}$	$\rm 146^{+11}_{-10}$
r₂₀₀ ( h₇₀^-1 kpc)	1715	1669	1525
$M_{200}~(M_{\odot})$	$6.8 \times 10^{14}$	$6.3 \times 10^{14}$	$4.8 \times 10^{14}$
$\chi^2/{\nu}$	14.2/8	2.5/7	4.8/8

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and data reduction
	3 Gas density distribution
	4 Spatially resolved spectroscopy
	5 Mass analysis
	6 Discussion
	7 Summary and conclusions
	References