Table 1
Sample of stars studied in this work and their photometric information.
| Photometry | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Galaxy | Star | Spectral type | RA(J2000) | Dec(J2000) | Band | mλ | E(B – V) | Aλ | Mλ |
| IC1613 | 64066 | O3 III(f) | 01h05m02.07s | +02∘09′28.10′′ | V | 19.03(a) | 0.07(f) | 0.21 | −5.47 ± 0.03 |
| A13 | O3-4 V(f) | 01h05m06.25s | +02∘ 10′43.00′′ | I | 19.26(b) | 0.03(g) | 0.05 | −5.08 ± 0.03 | |
| 62024 | O6.5 IIIf | 01h05m00.65s | +02∘08′49.26′′ | V | 19.60(c) | 0.15(h) | 0.45 | −5.14 ± 0.03 | |
| B2 | O7.5 III-V(f) | 01h05m03.07s | +02∘ 10′04.54′′ | V | 19.62(c) | 0.12(h) | 0.36 | −5.02 ± 0.03 | |
| B11 | 09.5 I | 01h04m43.80s | +02∘06′44.75′′ | I | 18.78(b) | 0.08(g) | 0.14 | −5.64 ± 0.03 | |
| WLM | A15 | O7 V(f) | 00h02m00.53s | −15∘29′52.41′′ | F814W | 20.52(d) | – | 0.03(i) | −4.46 ± 0.09 |
| A11 | O9.7 Ia | 00h01m59.97s | −15∘28′19.20′′ | I | 18.57(b) | 0.04(g) | 0.07 | −6.45 ± 0.09 | |
| NGC 3109 | N 20(†) | O8 I | 10h03m03.22s | −26∘09′21.41′′ | I | 19.47(e) | – | 0.06 | −6.17 ± 0.03 |
| N 34(†) | O8 I(f) | 10h03m14.24s | −26∘09′16.96′′ | I | 19.86(e) | – | 0.22 | −5.93 ± 0.03 | |
| Sextans A | S3(*) | O9 V | 10h10m58.19s | −04∘43′18.45′′ | F153M | 21.40(d) | – | 0.05(i) | −4.32 ± 0.08 |
| Leo P | LP26 | O7-8 V | 10h21m45.12s | +18∘05′16.93′′ | F153M | 22.34(d) | – | 0.01(i) | −3.71 ± 0.20 |
Notes. SIMBAD-resolvable identifiers for each star are given in Table A.1. (†)The prefixes of the IDs of NGC 3109 stars have been shortened from ‘NGC-3109-’ as in, for example, Tramper et al. (2011, 2014) to ‘N’ in this work. (*)s029 in Lorenzo et al. (2022). References: Magnitudes: (a)Garcia & Herrero (2013); (b)Bouret et al. (2015); (c)Garcia et al. (2014); (d)Telford et al. (2021); (e)Evans et al. (2007). Colour excesses: (f)Garcia & Herrero (2013), Martins & Plez (2006); (g)Bouret et al. (2015); (h) Garcia & Herrero (2013). Aλ:(i) AV for each star from Telford et al. (2021).
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