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Home All issues Volume 501 / No 1 (July I 2009) A&A, 501 1 (2009) 61-73 Full HTML
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Table 3:

Best-fit results and 1$\sigma $ ( $\Delta \chi ^2 =1$) errors of the cosmological parameters constrained in our analysis under different assumptions.
  $\Omega _{\rm m}$ $\Omega _{\Lambda }$   $\Omega _{\rm m}$ -w Comments
  w=-1   $\Omega_{\rm k}=0$  
REF $0.35^{\rm +0.03}_{-0.04}$ $0.59^{\rm +0.44}_{-0.56}$   $0.32^{\rm +0.04}_{-0.05}$ $1.10^{\rm +0.60}_{-0.45}$ reference case (Sects. 5.1 and 5.2)
T=T0 $0.40^{\rm +0.03}_{-0.02}$ $0.01^{\rm +0.46}_{-0.01}$   $0.29^{\rm +0.08}_{-0.05}$ $1.90^{\rm +2.50}_{-1.10}$ isothermal ICM (Sect. 3)
b=bz $0.36^{\rm +0.05}_{-0.04}$ $0.65^{\rm +0.48}_{-0.50}$   $0.34^{\rm +0.04}_{-0.05}$ $1.20^{\rm +0.65}_{-0.45}$ depletion parameter dependent on z (Sect. 4.2)
$f_{\rm ICL},0.2$ $0.34^{\rm +0.03}_{-0.04}$ $0.59^{\rm +0.44}_{-0.56}$   $0.31^{\rm +0.04}_{-0.04}$ $1.05^{\rm +0.60}_{-0.40}$ adding 20% to $f_{\rm cold}$ (Sect. 4.1)
$f_{\rm star, W}$ $0.32^{\rm +0.03}_{-0.03}$ $0.49^{\rm +0.42}_{-0.48}$   $0.30^{\rm +0.03}_{-0.04}$ $0.95^{\rm +0.50}_{-0.35}$ $f_{\rm star}$ from White et al. (1993; Sect. 4.1)
$f_{\rm star, L}$ $0.34^{\rm +0.02}_{-0.02}$ $0.01^{\rm +0.34}_{-0.01}$   $0.35^{\rm +0.04}_{-0.04}$ $0.35^{\rm +0.55}_{-0.35}$ $f_{\rm star}$ from Lin et al. (2003; Sect. 4.1)
z>0.3 $0.36^{\rm +0.04}_{-0.08}$ $0.19^{\rm +1.12}_{-0.18}$   $0.26^{\rm +0.10}_{-0.09}$ $1.35^{\rm +1.25}_{-0.75}$ only high-z objects
T>8 keV $0.34^{\rm +0.03}_{-0.05}$ $0.07^{\rm +0.74}_{-0.06}$   $0.31^{\rm +0.08}_{-0.09}$ $0.75^{\rm +0.85}_{-0.60}$ only hot objects
$\epsilon_f<0.5$ $0.34^{\rm +0.02}_{-0.03}$ $0.01^{\rm +0.64}_{-0.01}$   $0.33^{\rm +0.04}_{-0.04}$ $0.70^{\rm +0.45}_{-0.45}$ only measurements with lower uncertainty
cen0 $0.29^{\rm +0.08}_{-0.05}$ $1.35^{\rm +0.20}_{-0.52}$   $0.24^{\rm +0.08}_{-0.05}$ $2.00^{\rm +2.45}_{-1.15}$ more relaxed objects (Sect. 5.4)
cen1 $0.32^{\rm +0.04}_{-0.04}$ $0.89^{\rm +0.36}_{-0.64}$   $0.31^{\rm +0.05}_{-0.05}$ $1.10^{\rm +0.70}_{-0.50}$ extended ``cen0'' sample (Sect. 5.4)
H0=62 $0.37^{\rm +0.04}_{-0.04}$ $0.63^{\rm +0.46}_{-0.48}$   $0.35^{\rm +0.04}_{-0.05}$ $1.15^{\rm +0.65}_{-0.40}$ H0 from Sandage et al. (2006)
WMAP5 $0.32^{\rm +0.03}_{-0.02}$ $1.01^{\rm +0.20}_{-0.28}$   $0.33^{\rm +0.02}_{-0.02}$ $1.25^{\rm +0.35}_{-0.25}$ H0 and $\Omega_{\rm b}$ from Komatsu et al. (2008)
The quoted constraints are obtained for each parameter after marginalization. In Fig. 11, the same constraints are plotted and the number of clusters in the sample and the total $\chi ^2$ are indicated. The single samples are discussed in Sects. 5.1, 5.2 and 5.4.

Source LaTeX | All tables | In the text

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