Table 2: Robustness of the full-sky fit of the calibration H0/H0* and the deceleration parameter q0 at small redshifts. We compare the number of degrees of freedom (d.o.f.), $\chi ^2$/d.o.f., and the best fit cosmological parameters for the four data sets described in the text for various assumptions on acceptable light extinction $A_{\rm V}$, peculiar velocity dispersion $\sigma _v$, intrinsic dispersion $\sigma _{\rm int}$, as well as redshift interval included in the fit. Our analysis with $A_{\rm V} < 1$includes all SNe without information on $A_{\rm V}$, but we exclude those when investigating $A_{\rm V} < 0.5$.
  d.o.f. $\frac{\chi^2}{\rm d.o.f.}$ $\frac{H_0}{H_0^*}$ q0
data set A: 253 SNe, $z \in [0.002,1.755]$        
$A_{\rm V} \leq 1$, $\sigma_v = 345$ km s-1, $z \leq 0.2$ 137 1.27 $1.02 \pm 0.02$ $-0.78 \pm 0.90$
$A_{\rm V} \leq 0.5$ 116 1.30 $1.02 \pm 0.02$ $-0.56 \pm 0.94$
$\sigma_v = 230$ km s-1 137 1.82 $1.03 \pm 0.02$ $-0.97 \pm 0.85$
$\sigma_v = 460$ km s-1 137 0.97 $1.02 \pm 0.03$ $-0.68 \pm 0.96$
$\sigma_v = 690$ km s-1 137 0.67 $1.02 \pm 0.03$ $-0.61 \pm 1.06$
$0.02 < z \leq 0.2$ 73 1.20 $1.01 \pm 0.03$ $-0.31 \pm 1.08$
$z \leq 0.1$ 128 1.33 $1.02 \pm 0.03$ $-0.52 \pm 0.52$
$0.01 < z \leq 0.1$ 97 1.11 $1.00 \pm 0.03$ $ \ \ 0.28 \pm 1.25$
$z \leq 0.3$ 142 1.23 $1.02 \pm 0.02$ $-0.65 \pm 0.73$
data set B: 186 SNe, $z\in [0.010, 1.755]$        
$A_{\rm V} \leq 1$, $\sigma_v = 345$ km s-1, $z \leq 0.2$ 75 0.84 $1.01 \pm 0.03$ $-1.42 \pm 1.23$
$A_{\rm V} \leq 0.5$ 66 0.79 $1.00 \pm 0.04$ $-1.36 \pm 1.79$
$\sigma_v = 230$ km s-1 75 0.92 $1.01 \pm 0.03$ $-1.43 \pm 1.20$
$\sigma_v = 460$ km s-1 75 0.75 $1.01 \pm 0.03$ $-1.40 \pm 1.25$
$\sigma_v = 690$ km s-1 75 0.60 $1.01 \pm 0.04$ $-1.35 \pm 1.33$
$0.02 < z \leq 0.2$ 50 0.95 $1.01 \pm 0.04$ $-1.27 \pm 1.36$
$z \leq 0.1$ 70 0.84 $1.02 \pm 0.05$ $-2.16 \pm 2.21$
$z \leq 0.3$ 80 0.81 $1.00 \pm 0.03$ $-0.78 \pm 0.89$
data set C: 117 SNe, $z\in [0.015, 1.01]$        
$\sigma_v = 345$ km s-1, $\sigma_{\rm int} = 0.03$, $z \leq 0.2$ 42 0.84 $1.07 \pm 0.04$ $-0.57 \pm 1.63$
$\sigma_v = 230$ km s-1 42 0.92 $1.08 \pm 0.04$ $-0.57 \pm 1.59$
$\sigma_v = 460$ km s-1 42 0.76 $1.08 \pm 0.05$ $-0.58 \pm 1.71$
$\sigma_v = 690$ km s-1 42 0.60 $1.08 \pm 0.06$ $-0.63 \pm 1.88$
$0.02 < z \leq 0.2$ 30 1.07 $1.07 \pm 0.05$ $-0.28 \pm 1.83$
$z \leq 0.1$ 40 0.87 $1.06 \pm 0.05$ $ \ \ 0.16 \pm 2.15$
$z \leq 0.3$ 46 0.80 $1.08 \pm 0.03$ $-0.56 \pm 0.58$
$\sigma_{\rm int}=0$ 42 3.73 $1.09 \pm 0.03$ $-0.82 \pm 0.75$
$\sigma_{\rm int}=0.02$ 42 1.40 $1.08 \pm 0.04$ $-0.62 \pm 1.27$
data set D: 131 SNe, $z \in [0.002, 0.124]$        
$A_{\rm V} \leq 1$, $\sigma_v = 345$ km s-1, $\sigma_{\rm int} = 0.016$, $z \leq 0.2$ 117 1.37 $1.01 \pm 0.03$ $-1.39 \pm 1.35$
$A_{\rm V} \leq 0.5$ 99 1.43 $1.00 \pm 0.02$ $-0.86 \pm 1.36$
$\sigma_v = 230$ km s-1 117 2.14 $1.02 \pm 0.02$ $-1.68 \pm 1.26$
$\sigma_v = 460$ km s-1 117 0.98 $1.01 \pm 0.03$ $-1.16 \pm 1.45$
$\sigma_v = 690$ km s-1 117 0.59 $1.00 \pm 0.04$ $-0.86 \pm 1.60$
$0.02 < z \leq 0.2$ 50 1.24 $0.97 \pm 0.04$ $\ 0.11 \pm 1.59$
$z \leq 0.1$ 115 1.39 $1.02 \pm 0.03$ $-1.49 \pm 1.71$
$0.01 < z \leq 0.1$ 84 1.08 $1.00 \pm 0.03$ $-0.81 \pm 1.78$
$\sigma_{\rm int}=0$ 117 1.64 $1.01 \pm 0.02$ $-1.30 \pm 1.20$
$\sigma_{\rm int} = 0.03$ 117 1.05 $1.02 \pm 0.03$ $-1.51 \pm 1.66$


Source LaTeX | All tables | In the text