Table 2
Most metal-deficient emission-line galaxies.
| Name | Methoda | O/Hb | Ref. | Other |
| names | ||||
|
|
||||
| J0015+0104 | E | 7.17 ± 0.03 | 1 | |
| J0042+3247 | E | 7.32 ± 0.04 | 1 | |
| J0100−0028 | E | 7.05 ± 0.18 | 1 | |
| J0113+0052 | D | 7.15−7.32 | 2, 3 | |
| J0122+0048 | D | 7.20 ± 0.17 | 1 | |
| J0137+1810 | D:c | 7.32 ± 0.22 | 1 | |
| J0141+2124 | D: | 7.35 ± 0.30 | 1 | |
| J0143+1958 | E | 7.29 ± 0.10 | 1 | |
| J0153+0104 | D | 7.35 ± 0.10 | 1 | |
| J0207−0821 | E | 7.35 ± 0.05 | 1 | |
| J0223−0918 | E | 7.33 ± 0.11 | 1 | |
| J0254+0035 | E | 7.28 ± 0.05 | 5 | |
| J0337−0502 | D | 6.86−7.22 | 4 | SBS0335−052W |
| J0337−0502 | D | 7.11−7.32 | 4 | SBS0335−052E |
| J0739+4434 | D: | 7.34 ± 0.28 | 1 | |
| J0757+1423 | E | 7.13 ± 0.09 | 1 | UGC 04115 |
| J0812+4836 | E | 7.28 ± 0.06 | 5 | |
| J0834+5905 | D | 7.24 ± 0.08 | 2 | |
| J0926+3343 | D | 7.12 ± 0.02 | 11 | |
| J0934+5514 | D | 7.17−7.22 | 6 | IZw18 |
| J0943+3325 | D | 7.02 ± 0.03 | 13 | AGC 198691 |
| J0945+3835 | D: | 7.33 ± 0.38 | 1 | |
| J0955+6442 | E | 7.33 ± 0.02 | 1 | |
| J0956+2849 | E | 7.14−7.16 | 2, 5, 7 | DDO68 |
| J0959+3044 | D | 7.30 ± 0.05 | 8 | LeoA |
| J0959+4626 | E | 7.22 ± 0.02 | 1 | |
| J1000+3032 | E | 7.35 ± 0.04 | 1 | |
| J1021+1805 | D | 7.17 ± 0.04 | 12 | LeoP |
| J1034+1546 | E | 7.33 ± 0.02 | 1 | |
| J1036+2036 | E | 7.35 ± 0.04 | 1 | |
| J1056+3608 | D | 7.16−7.32 | 2 | |
| J1057+1358 | E | 7.18 ± 0.07 | 2 | |
| J1119+0935 | E | 7.27 ± 0.02 | 1 | |
| J1121+3744 | E | 7.12 ± 0.06 | 2 | |
| J1146+4050 | E | 7.34 ± 0.06 | 2 | |
| J1208+3727 | E | 7.32 ± 0.03 | 1 | |
| J1220+4915 | D | 7.20 ± 0.10 | 1 | |
| J1228−0125 | E | 7.33 ± 0.06 | 1 | |
| J1238−3246 | D | 7.30 ± 0.05 | 9 | UGC A292 |
| J1244+3212 | E | 7.28 ± 0.02 | 1 | NGC 4656 |
| J1258+1412 | E | 7.35 ± 0.16 | 1 | |
| J1258+1413 | E | 7.32 ± 0.02 | 1 | UGC 08091 |
| J1308+2002 | E | 7.22 ± 0.05 | 1 | |
| J1320+1338 | E | 7.32 ± 0.02 | 1 | AGC 233628 |
| J1414−0208 | D | 7.32 ± 0.05 | 10 | |
| J1444+4237 | D: | 7.32 ± 0.19 | 1 | UGC 09497 |
| J2104−0035 | D | 7.26 ± 0.03 | 3 | |
Notes.
galaxies with signal-to-noise between 2σ and 3σ in [O iii]λ4363 Å emission line are marked by colons.
Reference. (1) This paper; (2) Izotov et al. (2012); (3) Izotov et al. (2006b); (4) Izotov et al. (2009); (5) Izotov & Thuan (2007); (6) Thuan & Izotov (2005); (7) Izotov & Thuan (2009); (8) Skillman et al. (1989); (9) van Zee (2000); (10) Guseva et al. (2007); (11) Pustilnik et. al. (2010); (12) Skillman et al. (2013); (13) Hirschauer et al. (2016).
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