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Table 9

Abundances, extinction coefficients, Hβ equivalent widths, and absolute magnitudes.

Name 12+log O/Ha log N/O log Ne/O log S/O log Ar/O C(Hβ) EW(Hβ) Mg, MB
a) 3.5 m APO observations
J0113+0052No.1 7.15  ±  0.09(D) ...  −0.72  ±  0.21 ... ... 0.065 40.7  −17.62
J0113+0052No.2 7.32  ±  0.04(D)  −1.50  ±  0.08 ... ... ... 0.035 20.8  −17.62
J0113+0052No.3 7.30  ±  0.08(D) ... ... ... ... 0.115 30.0  −17.62
J0113+0052No.4 7.32  ±  0.04(D)  −1.43  ±  0.07 ... ... ... 0.045 47.3  −17.62
J0138+0020 7.52  ±  0.07(E) ... ... ... ... 0.210 20.4  −15.15
J0834+5905No.1 7.43  ±  0.05(E)  −1.49  ±  0.10 ... ... ... 0.285 17.9  −12.03
J0834+5905No.2 7.37  ±  0.06(E) ... ... ... ... 0.135 9.9  −12.03
J0843+4025 7.57  ±  0.06(E)  −1.58  ±  0.10 ... ... ... 0.000 16.3  −12.47
J0851+8416 7.66  ±  0.06(D)  −1.47  ±  0.09  −0.93  ±  0.14 ... ... 0.135 83.6  −16.75
J0906+2528No.1 7.50  ±  0.14(D)  −1.77  ±  0.19  −0.93  ±  0.43 ... ... 0.210 12.2  −16.22
J0906+2528No.2 7.46  ±  0.09(D)  −1.43  ±  0.12  −0.81  ±  0.22 ... ... 0.240 37.1  −16.22
J0908+0517No.1 7.39  ±  0.08(E)  −1.46  ±  0.15 ... ... ... 0.410 17.2  −12.73
J0908+0517No.2 7.68  ±  0.03(D)  −1.32  ±  0.04  −0.76  ±  0.05  −1.49  ±  0.06  −2.17  ±  0.04 0.040 197.4  −12.73
J0950+3127No.1 7.41  ±  0.07(E) ... ... ... ... 0.005 14.5  −14.10
J0950+3127No.2 7.45  ±  0.17(D)  −1.62  ±  0.25 ... ...  −2.04  ±  0.22 0.140 124.6  −14.10
DDO68 No.2 7.18  ±  0.05(D) ...  −0.79  ±  0.10 ...  −2.28  ±  0.07 0.030 191.6  −14.59
DDO68 No.3 7.08  ±  0.09(D) ...  −0.93  ±  0.22 ... ... 0.005 85.3  −14.59
J1056+3608No.1 7.16  ±  0.07(D)  −1.45  ±  0.25  −0.83  ±  0.17 ... ... 0.340 134.4  −11.21
J1056+3608No.2 7.32  ±  0.16(D)  −1.47  ±  0.22 ... ... ... 0.000 31.7  −11.21
J1056+3608No.3 7.31  ±  0.11(D)  −1.46  ±  0.16  −0.70  ±  0.32 ... ... 0.000 32.5  −11.21
J1109+2007 7.47  ±  0.10(D)  −1.77  ±  0.14 ... ... ... 0.350 22.6  −14.67
J1119+0935No.1 7.47  ±  0.05(E)  −1.43  ±  0.09 ... ...  −2.49  ±  0.13 0.055 18.7  −14.53
J1119+0935No.2 7.70  ±  0.06(D)  −1.49  ±  0.08  −0.87  ±  0.13 ...  −2.47  ±  0.07 0.225 57.6  −14.53
J1119+0935No.3 7.43  ±  0.09(E)  −1.44  ±  0.17 ... ... ... 0.280 29.5  −14.53
J1121+3744No.1 6.78  ±  0.16(E) ... ... ... ... 0.000 8.9  −14.59
J1146+4050 7.34  ±  0.06(E)  −1.31  ±  0.10 ... ...  −2.21  ±  0.18 0.110 17.9  −13.92
J1226−0115No.1 7.77  ±  0.02(D)  −1.44  ±  0.02  −0.78  ±  0.03  −1.59  ±  0.03  −2.20  ±  0.03 0.130 158.5  −16.76
J1226−0115No.2 7.81  ±  0.02(D)  −1.37  ±  0.02  −0.83  ±  0.03  −1.55  ±  0.03  −2.27  ±  0.04 0.275 149.2  −16.76
J1235+2755No.1 7.58  ±  0.05(E)  −1.74  ±  0.07  −0.82  ±  0.14 ... ... 0.105 36.7  −13.99
J1235+2755No.2 7.83  ±  0.02(D)  −1.51  ±  0.03  −0.76  ±  0.05  −1.78  ±  0.05  −2.42  ±  0.03 0.075 129.8  −13.99
J1235+2755No.3 7.77  ±  0.03(D)  −1.52  ±  0.04  −0.78  ±  0.07  −1.80  ±  0.05  −2.37  ±  0.04 0.220 156.6  −13.99
J1241−0340 7.74  ±  0.01(D)  −1.54  ±  0.02  −0.69  ±  0.03  −1.64  ±  0.03  −2.27  ±  0.02 0.310 125.3  −15.83
J1257+3341No.1 7.47  ±  0.11(D)  −1.44  ±  0.15  −0.83  ±  0.28 ...  −2.51  ±  0.16 0.055 75.7  −13.52
J1257+3341No.2 7.62  ±  0.07(E) ...  −0.59  ±  0.21 ... ... 0.000 22.8  −13.52
J1257+3341No.3 7.48  ±  0.09(D)  −1.53  ±  0.13  −0.88  ±  0.27 ...  −2.45  ±  0.14 0.000 90.6  −13.52
J1403+5804No.1 7.36  ±  0.06(E)  −1.49  ±  0.12 ... ... ... 0.070 9.1  −14.01
J1403+5804No.2 7.40  ±  0.05(D)  −1.64  ±  0.08  −0.79  ±  0.11 ...  −2.37  ±  0.08 0.180 46.4  −14.01
SBS1420+544 7.79  ±  0.02(D)  −1.54  ±  0.03  −0.69  ±  0.03  −1.61  ±  0.05  −2.21  ±  0.06 0.105 201.8  −17.34
PHL293B 7.67  ±  0.02(D)  −1.80  ±  0.03  −0.70  ±  0.03  −1.78  ±  0.05  −2.40  ±  0.05 0.115 69.6  −15.29
b) low-resolution MMT observations
J1016+3754 7.64  ±  0.01(D)  −1.55  ±  0.03  −0.76  ±  0.02  −1.52  ±  0.03  −2.26  ±  0.04 0.115 96.3  −15.92
J1016+5823No.1 7.74  ±  0.01(D)  −1.71  ±  0.02  −0.77  ±  0.02  −1.68  ±  0.04  −2.54  ±  0.03 0.000 125.8  −17.29
J1016+5823No.2 7.59  ±  0.06(D)  −1.43  ±  0.08  −0.88  ±  0.14 ... ... 0.440 102.6  −17.29
J1016+5823No.3 7.62  ±  0.01(D)  −1.72  ±  0.03  −0.77  ±  0.03  −1.84  ±  0.07  −2.48  ±  0.04 0.020 169.4  −17.29
J1044+0353 7.44  ±  0.01(D)  −1.61  ±  0.03  −0.75  ±  0.02  −1.64  ±  0.04  −2.27  ±  0.04 0.150 257.5  −16.63
J1119+5130 7.51  ±  0.02(D)  −1.64  ±  0.04  −0.78  ±  0.05  −1.69  ±  0.11  −2.60  ±  0.07 0.025 30.4  −14.95
J1132+5722No.1 7.50  ±  0.03(D)  −1.56  ±  0.04  −0.83  ±  0.06  −1.57  ±  0.06  −2.43  ±  0.05 0.140 81.8  −16.48
J1132+5722No.2 7.74  ±  0.03(D)  −1.38  ±  0.04  −0.93  ±  0.07  −1.64  ±  0.08  −2.38  ±  0.05 0.245 41.0  −16.48
J1132+5722No.3 7.68  ±  0.05(D)  −1.44  ±  0.09  −0.86  ±  0.11 ... ... 0.235 22.3  −16.48
J1154+4636 7.75  ±  0.02(D)  −1.37  ±  0.03  −0.75  ±  0.04  −1.56  ±  0.05  −2.42  ±  0.04 0.060 89.7  −14.39
J1215+5223 7.53  ±  0.02(D)  −1.56  ±  0.04  −0.80  ±  0.04  −1.63  ±  0.08  −2.38  ±  0.04 0.180 84.1  −12.96
J1224+3724 7.78  ±  0.01(D)  −1.39  ±  0.02  −0.76  ±  0.02  −1.65  ±  0.04  −2.30  ±  0.03 0.145 110.9  −18.83
J1244+3212No.1 7.81  ±  0.03(D)  −1.64  ±  0.02  −0.80  ±  0.03  −1.79  ±  0.03  −2.44  ±  0.02 0.085 78.8  −19.67
J1244+3212No.2 7.90  ±  0.02(D)  −1.66  ±  0.03  −0.81  ±  0.04  −1.71  ±  0.05  −2.44  ±  0.03 0.235 75.2  −19.67
J1244+3212No.3 7.81  ±  0.01(D)  −1.57  ±  0.02  −0.84  ±  0.03  −1.73  ±  0.03  −2.39  ±  0.02 0.090 151.7  −19.67
J1248+4823 7.80  ±  0.01(D)  −1.54  ±  0.03  −0.76  ±  0.02  −1.59  ±  0.03  −2.19  ±  0.03 0.125 114.5  −17.74
J1327+4022 7.70  ±  0.01(D)  −1.37  ±  0.03  −0.77  ±  0.02  −1.37  ±  0.04  −2.07  ±  0.04 0.060 220.9  −14.47
J1331+4151 7.70  ±  0.01(D)  −1.55  ±  0.02  −0.76  ±  0.02  −1.52  ±  0.02  −2.20  ±  0.02 0.135 177.6  −17.07
J1355+4651 7.58  ±  0.01(D)  −1.44  ±  0.07  −0.76  ±  0.02  −1.58  ±  0.07  −2.08  ±  0.06 0.070 353.5  −16.30
J1608+3528 7.79  ±  0.02(D)  −1.70  ±  0.09  −0.68  ±  0.02 ...  −2.20  ±  0.09 0.440 367.5  −18.22
c) high-resolution MMT observations
J0810+1837 7.83  ±  0.20(D) ...  −0.84  ±  0.60 ... ... 0.000 8.4  −13.71
J0833+2508No.1 7.69  ±  0.04(D) ...  −0.89  ±  0.10 ... ... 0.000 45.4  −14.67
J0833+2508No.2 7.43  ±  0.13(D) ...  −0.78  ±  0.39 ... ... 0.095 24.7  −14.67
J0834+5905 7.24  ±  0.08(D) ...  −0.89  ±  0.23 ... ... 0.010 28.3  −11.56
J0931+2717No.1 7.45  ±  0.06(E) ...  −1.01  ±  0.22 ... ... 0.000 16.5  −14.14
J0931+2717No.2 7.52  ±  0.06(E) ...  −1.01  ±  0.22 ... ... 0.000 18.2  −14.14
DDO68 No.3 7.15  ±  0.04(D) ...  −0.81  ±  0.07 ... ... 0.000 15.7  −14.54
DDO68 No.4 7.16  ±  0.09(D) ...  −0.92  ±  0.26 ... ... 0.000 36.0  −14.54
J0959+4626 7.50  ±  0.05(E) ...  −0.91  ±  0.22 ... ... 0.265 57.0  −12.47
J1057+1358No.1 7.18  ±  0.07(E) ... ... ... ... 0.000 8.7  −14.29
J1121+3744No.1 7.12  ±  0.06(E) ... ... ... ... 0.000 8.4  −14.59
J1231+4205 7.62  ±  0.04(D) ...  −0.87  ±  0.10 ... ... 0.190 65.7  −12.33

Notes. 

(a)

Oxygen abundances derived by direct (D) and semi-empirical (E) methods.

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