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Table 8

Ionic and total heavy element abundances derived from the high-resolution MMT spectra.

Galaxy
Property J0810+1837a J0833+2508 No.1a J0833+2508 No.2a J0931+2717 No.1b J0931+2717 No.2b
Te(O iii) (K) 14517 ± 3643 15635 ± 820 21239 ± 4080 17809 ± 1015 17147 ± 1014
Te(O ii) (K) 13945 ± 3212 14661 ± 702 16405 ± 2740 15702 ± 1241 15434 ± 1226
O+/H+ (× 104) 0.381 ± 0.247 0.210 ± 0.027 0.172 ± 0.069 0.175 ± 0.035 0.199 ± 0.041
O++/H+ (× 104) 0.292 ± 0.193 0.281 ± 0.038 0.100 ± 0.042 0.106 ± 0.015 0.134 ± 0.020
O+++/H+ (× 106) ...                               ...                               ...                               ...                               ...                              
O/H (× 104) 0.673 ± 0.314 0.491 ± 0.046 0.272 ± 0.081 0.281 ± 0.038 0.333 ± 0.045
12 + log(O/H) 7.828 ± 0.202 7.691 ± 0.041 7.434 ± 0.130 7.448 ± 0.059 7.522 ± 0.059
Ne++/H+ (× 105) 0.781 ± 0.550 0.544 ± 0.078 0.346 ± 0.140 0.210 ± 0.050 0.253 ± 0.063
ICF 1.258 1.171 1.304 1.298 1.280
log(Ne/O)  −0.836 ± 0.597  −0.887 ± 0.102  −0.780 ± 0.390  −1.012 ± 0.218  −1.012 ± 0.220
Property DDO68 No.3a DDO68 No.4a J1057+1358 No.1b J1121+3744 No.1b J1231+4205a
Te(O iii) (K) 16721 ± 747 16521 ± 1935 20000 ± 1061 20000 ± 1066 15730 ± 761
Te(O ii) (K) 15239 ± 618 15141 ± 1610 16284 ± 1345 16284 ± 1351 14716 ± 649
O+/H+ (× 104) 0.044 ± 0.005 0.083 ± 0.023 0.119 ± 0.025 0.061 ± 0.014 0.209 ± 0.025
O++/H+ (× 104) 0.098 ± 0.011 0.060 ± 0.017 0.034 ± 0.005 0.069 ± 0.010 0.208 ± 0.026
O+++/H+ (× 106) ...                               ...                               ...                               ...                               ...                              
O/H (× 104) 0.142 ± 0.012 0.143 ± 0.029 0.152 ± 0.026 0.130 ± 0.017 0.418 ± 0.036
12 + log(O/H) 7.152 ± 0.036 7.155 ± 0.087 7.182 ± 0.073 7.115 ± 0.057 7.621 ± 0.037
Ne++/H+ (× 105) 0.199 ± 0.023 0.135 ± 0.040 ...                               ...                               0.459 ± 0.061
ICF 1.110 1.267 ...            ...            1.215
log(Ne/O)  −0.808 ± 0.074  −0.924 ± 0.259 ...                               ...                                −0.875 ± 0.103
Property J0834+5905a J0959+4626b
Te(O iii) (K) 21493 ± 2679 17404 ± 1007
Te(O ii) (K) 16411 ± 1769 15543 ± 1223
O+/H+ (× 104) 0.092 ± 0.024 0.216 ± 0.043
O++/H+ (× 104) 0.082 ± 0.022 0.103 ± 0.014
O+++/H+ (× 106) ...                               ...                              
O/H (× 104) 0.174 ± 0.033 0.319 ± 0.046
12 + log(O/H) 7.241 ± 0.082 7.504 ± 0.062
Ne++/H+ (× 105) 0.183 ± 0.052 0.292 ± 0.061
ICF 1.233 1.339
log(Ne/O)  −0.887 ± 0.228  −0.912 ± 0.219

Notes. a Direct method. b Semi-empirical method.

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