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Table 2:

Physical conditions and element abundances.
  UVES   FORS
Property Total Blue Red   Medium Low
$T_{\rm e}$(O III), K 15 980 $\pm$ 190 16 110 $\pm$ 590 15 470 $\pm$ 840   14 540 $\pm$ 130 15 780 $\pm$ 200
$T_{\rm e}$(O II), K 14 860 $\pm$ 160 14 930 $\pm$ 500 14 560 $\pm$ 720   13 960 $\pm$ 120 14 740 $\pm$ 170
$T_{\rm e}$(S III), K 14 960 $\pm$ 150 15 070 $\pm$ 490 15 010 $\pm$ 700   14 250 $\pm$ 110 14 800 $\pm$ 170
$N_{\rm e}$(O II), cm-3 300 $\pm$ 50 350 $\pm$ 50 150 $\pm$ 140   100 $\pm$ 50 ...
$N_{\rm e}$(S II), cm-3 140 $\pm$ 40 ... ...   320 $\pm$ 60 210 $\pm$ 70
O+/H+, ($\times$105) 0.82 $\pm$ 0.03 0.86 $\pm$ 0.08 0.69 $\pm$ 0.10   0.52 $\pm$ 0.02 0.63 $\pm$ 0.02
O2+/H+, ($\times$105) 6.26 $\pm$ 0.20 5.99 $\pm$ 0.55 7.15 $\pm$ 0.99   7.87 $\pm$ 0.21 6.24 $\pm$ 0.21
O3+/H+, ($\times$106) 0.59 $\pm$ 0.06 ... ...   1.27 $\pm$ 0.07 1.20 $\pm$ 0.11
O/H, ($\times$105) 7.14 $\pm$ 0.20 6.85 $\pm$ 0.56 7.78 $\pm$ 1.00   8.52 $\pm$ 0.21 6.99 $\pm$ 0.21
$12+\log$O/H 7.85 $\pm$ 0.01 7.84 $\pm$ 0.04 7.89 $\pm$ 0.06   7.93 $\pm$ 0.01 7.84 $\pm$ 0.01
N+/H+, ($\times$106) 0.46 $\pm$ 0.01 ... ...   0.49 $\pm$ 0.01 0.38 $\pm$ 0.01
ICF(N)a 8.20 ... ...   15.1 10.4
N/H, ($\times$106) 3.74 $\pm$ 0.09 ... ...   7.33 $\pm$ 0.18 3.99 $\pm$ 0.13
log N/O -1.28 $\pm$ 0.02   ... ...   -1.07 $\pm$ 0.02   -1.24 $\pm$ 0.02  
Ne2+/H+, ($\times$105) 1.19 $\pm$ 0.04 1.13 $\pm$ 0.11 1.35 $\pm$ 0.19   0.96 $\pm$ 0.03 1.00 $\pm$ 0.04
ICF(Ne)a 1.04 1.04 1.03   1.03 1.04
Ne/H, ($\times$105) 1.23 $\pm$ 0.05 1.17 $\pm$ 0.12 1.39 $\pm$ 0.21   0.99 $\pm$ 0.03 1.04 $\pm$ 0.04
log Ne/O -0.76 $\pm$ 0.02   -0.77 $\pm$ 0.06   -0.75 $\pm$ 0.09     -0.94 $\pm$ 0.02   -0.83 $\pm$ 0.02  
S+/H+, ($\times$106) 0.10 $\pm$ 0.01 ... ...   0.09 $\pm$ 0.01 0.07 $\pm$ 0.01
S2+/H+, ($\times$106) 0.62 $\pm$ 0.03 ... ...   0.53 $\pm$ 0.03 0.47 $\pm$ 0.04
ICF(S)a 1.87 ... ...   3.02 2.24
S/H, ($\times$106) 1.34 $\pm$ 0.05 ... ...   1.87 $\pm$ 0.08 1.20 $\pm$ 0.09
log S/O -1.73 $\pm$ 0.02   ... ...   -1.66 $\pm$ 0.02   -1.76 $\pm$ 0.03  
Cl2+/H+, ($\times$108) 2.43 $\pm$ 0.19 ... ...   1.65 $\pm$ 0.13 ...
ICF(Cl)a 1.28 ... ...   1.64 ...
Cl/H, ($\times$108) 3.12 $\pm$ 0.24 ... ...   2.71 $\pm$ 0.21 ...
log Cl/O -3.36 $\pm$ 0.04   ... ...   -3.50 $\pm$ 0.03   ...
Ar2+/H+, ($\times$107) 1.67 $\pm$ 0.05 ... ...   ... 0.99 $\pm$ 0.04
Ar3+/H+, ($\times$107) ... ... ...   1.54 $\pm$ 0.07 1.35 $\pm$ 0.14
ICF(Ar)a 1.80 ... ...   ... 2.16
Ar/H, ($\times$107) 2.99 $\pm$ 0.10 ... ...   ... 2.14 $\pm$ 0.31
log Ar/O -2.38 $\pm$ 0.02   ... ...   ... -2.51 $\pm$ 0.06  
Fe2+/H+, ($\times$106)(4658) 0.17 $\pm$ 0.02 ... ...   0.14 $\pm$ 0.01 ...
ICF(Fe) 12.0 ... ...   22.8 ...
Fe/H, ($\times$106)(4658) 1.97 $\pm$ 0.20 ... ...   3.27 $\pm$ 0.26 ...
log Fe/O (4658) -1.22 $\pm$ 0.05   ... ...   -1.00 $\pm$ 0.03   ...
Fe2+/H+, ($\times$106)(4988) ... ... ...   0.17 $\pm$ 0.01 ...
ICF(Fe)a ... ... ...   22.8 ...
Fe/H, ($\times$106)(4988) ... ... ...   3.88 $\pm$ 0.32 ...
log Fe/O (4988) ... ... ...   -0.92 $\pm$ 0.04   ...

Notes. (a) Ionisation correction factor.


Source LaTeX | All tables | In the text

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