Table 1
EDIBLES targets with measurable OH+ absorption.
| Identifier | Galactic | Spectral type | AV | EB−V | N(H I) | N(H2) | N(Htot) |  |
|---|---|---|---|---|---|---|---|---|
| coordinates | (mag) | (mag) | × 1021 (cm−2) | × 1021 (cm−2) | × 1021 (cm−2) | |||
| HD 37367 | G179.0 − 01.0 | B2 IV-V | 1.49 | 0.37 | 1.5 | 0.34 | 2.2 | 0.31 |
| HD 41117 | G189.6 − 00.8 | B2 Ia | 1.25 | 0.41 | 2.5a | 0.49 | 3.5 | 0.28 |
| HD 75860 | G264.1 + 00.2 | BC2 Iab | 3.10 | 0.87 | ⋯ | ⋯ | ⋯ | ⋯ |
| HD 79186 | G267.3 + 02.2 | B5 Ia | 1.28 | 0.28 | 1.5 | 0.52 | 2.6 | 0.41 |
| HD 80558 | G273.0 − 01.4 | B6 Ia | 2.01 | 0.57 | ⋯ | ⋯ | ⋯ | ⋯ |
| HD 114886 | G305.5 − 00.8 | O9 III+O9.5 III | 0.84 | 0.28 | 2.2 | 0.17 | 2.5 | 0.13 |
| HD 185418 | G053.6 − 02.1 | B0.5 V | 1.27 | 0.42 | 1.6 | 0.51 | 2.6 | 0.39 |
| HD 185859 | G056.6 − 01.0 | B0.5 Ia | 1.64 | 0.56 | 1.7 | ⋯ | ≥1.7 | ⋯ |
| HD 186745 | G060.2 − 00.2 | B8 Ia | 2.98 | 0.88 | ⋯ | ⋯ | ⋯ | ⋯ |
| HD 186841 | G060.4 − 00.2 | B0.5 I | 3.01 | 0.95 | ⋯ | ⋯ | ⋯ | ⋯ |
Notes. The AV -values are taken from Valencic et al. (2004) and Wegner (2003), while the EB−V -values are calculated by Cox et al. (2017). N(H I) and N(H2) data are taken from Jenkins (2009) which are obtained through vacuum-UV absorption observations. The total hydrogen column density is calculated as N(Htot) = N(H I) + 2N(H2) while the molecular hydrogen fraction is calculated as 
= 2N(H2) / N(Htot). (a) Diplas & Savage(1994).
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