Table 1: Table of properties of the hosts of GRB 060218 (this work) and GRB 031203 (Prochaska et al. 2004) and a comparison to the northwest and southeast regions of I Zw 18 (Izotov et al. 1999).
Property GRB 060218 GRB 031203 I Zw 18 NW I Zw18 SE
$T_{\rm e}(O {\sc iii}) $ 2.48 $^{+0.5}_{-0.3} \times 10^4$ K 13 400 $\pm$ 2000 19 780 $\pm$ 640 19 060 $\pm$ 610
$T_{\rm e}(O {\sc ii}) $ $1.5 ^{+0.1}_{-0.2}\times 10^4$ K 12 900 15 620 $\pm$ 470 15 400 $\pm$ 460
O2+/H+ $1.72 \pm 0.45 \times 10^{-5}$ - $1.216 \pm 0.09 \times 10^{-5}$ $1.106 \pm 0.082 \times 10^{-5}$
O+/H+ $1.78 ^{+1.2}_{-0.32} \times 10^{-5}$ - $0.179 \pm 0.014 \times 10^{-5}$ $0.403 \pm 0.031 \times 10^{-5}$
O/H 3.50 $^{+1.65}_{-0.77} \times 10^{-5}$ - $1.465 \pm 0.092 \times 10^{-5}$ $1.523 \pm 0.088 \times 10^{-5}$
12 + log (O/H) 7.54 +0.16-0.1 8.02 $\pm$ 0.15 $7.166 \pm 0.027$ $7.183 \pm 0.025$
N+/H+ $1.4 ^{+0.8}_{-0.4} \times 10^{-6}$ - - $1.074 \pm 0.084 \times 10^{-7}$
ICF (N) 1.98 - - 3.78
log (N/O) $-1.1 \pm 0.4$ -0.74 $\pm$ 0.2 - $-1.574 \pm 0.06$
Ne2+/H+ $2.9 \pm 1.2 \times 10^{-6}$ - $ 1.91 \pm 0.16 \times 10^{-6}$ $1.83 \pm 0.15 \times 10^{-6}$
ICF (Ne) 1.11 - 1.20 1.28
log (Ne/O) -0.8 +0.2-0.4 -0.85 $\pm$ 0.2 $-0.803 \pm 0.053$ $-0.781 \pm 0.051$


Source LaTeX | All tables | In the text