Table 1
The dwarf galaxy sample, with measured values.
| Galaxy | MB | D | DHI | DHo | D3.6 μm | Z/Z⊙ | Log(ΣHI) | Log(Σ∗) | Log(ΣSFR) |
| (Mpc) | (arcmin) | (arcmin) | (arcmin) | (M⊙ pc-2) | (M⊙ pc-2) | (M⊙ yr-1 kpc-2) | |||
| [2] | [3] | [4] | [5] | [6] | [7] | [8] | [9] | [10] | |
|
|
|||||||||
| DDO 226 | −14.17 | 4.9 | 3.5 | 2.24 | 3.37 | 0.12 | −0.24 |
0.11 |
−4.38 |
| UGC 685 | −14.31 | 4.5 | 3.6 | 2.40 | 2.98 | 0.20∗ | 0.32 |
0.67 |
−3.83 |
| UGC 4459 | −13.37 | 3.56 | 4.5 | 2.00 | 2.23 | 0.13∗ | 0.97 |
0.58 |
−3.22 |
| UGC 5456 | −15.08 | 5.6 | 2.8 | 1.62 | 2.68 | 0.16 | 0.17 |
0.71 |
−3.26 |
| NGC 3741 | −13.13 | 3.0 | 14.6 | 1.48 | 3.35 | 0.09∗ | 0.71 |
0.26 |
−3.50 |
| CGCG 269−049 | −13.25 | 4.9 | 2.6 | 1.05 | 1.57 | 0.06∗ | −0.07 |
0.04 |
−3.88 |
| DDO 125 | −14.16 | 2.5 | 7.0 | 3.89 | 4.50 | 0.19† | 0.28 |
0.62 |
−3.80 |
| UGC 7605 | −13.53 | 4.43 | 3.3 | 1.48 | 2.35 | 0.10 | 0.34 |
0.60 |
−3.56 |
| GR8 | −12.11 | 2.1 | 4.3 | 1.66 | 2.08 | 0.09∗ | 0.68 |
0.56 |
−3.21 |
| UGC 8638 | −13.68 | 4.27 | 1.2 | 1.66 | 2.98 | 0.18† | 0.02 |
0.51 |
−3.73 |
| DDO 181 | −13.03 | 3.1 | 5.2 | 2.40 | 3.23 | 0.14∗ | 0.32 |
0.28 |
−3.85 |
| DDO 183 | −13.17 | 3.24 | 4.6 | 2.40 | 3.60 | 0.09 | 0.10 |
0.08 |
−4.29 |
| UGC 8833 | −12.42 | 3.2 | 3.0 | 1.17 | 2.02 | 0.07 | 0.57 |
0.38 |
−3.63 |
| DDO 187 | −12.51 | 2.5 | 3.4 | 1.70 | 2.12 | 0.11∗ | 0.77 |
0.51 |
−3.55 |
| KKH 98 | −10.78 | 2.5 | 3.8 | 1.05 | 2.10 | 0.04 | 0.18 |
0.31 |
−4.17 |
Notes. [2] The absolute B-band magnitude (from Begum et al. 2008); [3] the distance in Mpc (from Karachentsev et al. 2013); [4] the diameter of the 10-19atoms cm-2 isophote determined using the coarsest resolution HI map (Begum et al. 2008); [5] the B-band diameter at 26.5 mag arcsecond-2 (i.e. the Holmberg diameter from Karachentsev et al. 2013); [6] the major diameter of the ellipse within which the 3.6 μm fluxes were determined (from Dale et al. 2009); [7] the estimated gas phase metallicity (see text for details); [8] the surface/column density of HI within the “stellar disc” (see text for details); [9] the surface density of stars within the “stellar disc”; [10] the surface density of SFR within the “stellar disc”.
Based on abundances from Marble et al. (2010) using 12 + log10[O/H]⊙ = 8.7.
Based on average abundances from Berg et al. (2012) using 12 + log10[O/H]⊙ = 8.7.
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