Table 2: Element abundances in regions e1 and e2.
Value region e1   region e2
$T_{\rm e}$(O III)(K) $16490\pm140$   $15910\pm540$
$T_{\rm e}$(O II)(K) $14430\pm110$   $14170\pm460$
$T_{\rm e}$(S III)(K) $15380\pm110$   $14900\pm450$
$N_{\rm e}$(S II)(cm-3) $ 60\pm30$   $90\pm80$
O+/H+($\times$105) $0.930\pm0.020$   $1.127\pm0.101$
O+2/H+($\times$105) $3.071\pm0.063$   $2.997\pm0.256$
O+3/H+($\times$106) $0.994\pm0.057$   ...
O/H($\times$105) $4.100\pm0.067$   $4.123\pm0.275$
12 + log(O/H) $7.61\pm0.01$   $7.62\pm0.03$
N+/H+($\times$107) $2.564\pm0.056$   $3.460\pm0.311$
ICF(N)a 4.41               3.66            
log(N/O) $-1.560\pm0.017$     $-1.513\pm0.069$  
Ne+2/H+($\times$105) $0.480\pm0.011$   $0.491\pm0.045$
ICF(Ne)a 1.34               1.38            
log(Ne/O) $-0.806\pm0.014$     $-0.786\pm0.057$  
S+/H+($\times$107) $1.618\pm0.025$   $2.028\pm0.118$
S+2/H+($\times$107) $6.980\pm0.350$   $5.942\pm1.335$
ICF(S)a 1.50               1.39            
log(S/O) $-1.503\pm0.016$     $-1.571\pm0.068$  
Cl++/H+($\times$108) $1.017\pm0.223$   ...
ICF(Cl)a 1.57               ...
log(Cl/O) $-3.409\pm0.076$     ...
Ar+2/H+($\times$107) $1.449\pm0.032$   $1.743\pm0.130$
Ar+3/H+($\times$107) $0.608\pm0.119$   ...
ICF(Ar)a 1.05               1.64            
log(Ar/O) $-2.280\pm0.026$     $-2.158\pm0.038$
Fe++/H+($\times$107) $1.320\pm0.200 $   ...
ICF(Fe)a 5.51               ...
log(Fe/O) $-1.751\pm0.016$     ...
[O/Fe]b 0 $.331\pm0.029$   ...
He+/H+($\lambda $4471) $0.071\pm0.002$   $0.070\pm0.009$
He+/H+($\lambda $5876) $0.081\pm0.001$   $0.083\pm0.004$
He+/H+($\lambda $6678) $0.082\pm0.002$   $0.081\pm0.008$
He+/H+      
(weighted mean) $0.080\pm0.001$   $ 0.080\pm0.003$
He+2/H+($\lambda $4686) $0.002\pm0.000$   ...
He/H $0.082\pm0.001$   $ 0.080\pm0.003$
Y $0.246\pm0.003$   $0.243\pm0.010$
a ICF is the ionization correction factor.  
b [O/Fe] $\equiv$ log (O/Fe) - log (O/Fe)$_\odot$.  


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