Table 1.
Milky Way reference values adopted here (in bold) and other values from the literature.
| Quantity | Value | Notes | Refs. | |
|---|---|---|---|---|
| ϵ(250 μm) | 0.79 ± 0.04 | MJy sr−1 (1020 H cm−2)−1 | 1 | |
| F(250 μm)/F(500 μm) | 4.6 ± 0.3 | 1 | ||
| σ(250 μm) | 0.52 ± 0.05 | 10−25 cm2 H−1 | β = 1.6; Td = 20.0 ± 0.7 K | 1 |
| 0.49 ± 0.13 | β = 1.59 ± 0.12; Td = 20.3 ± 1.3 K | 2 | ||
| 0.55 ± 0.05 | β = 1.65 ± 0.10; Td = 19.8 ± 1.0 K | 3 | ||
| κ(250 μm) | 3.7 ± 0.7 | cm2 g−1 | Using D/H below | |
| 6.4 | THEMIS model (β = 1.79) | 4 | ||
| 4.0 | DL07 model (β = 2.08) | 5 | ||
| D/H | 0.0085 ± 0.0015 | |||
| 0.0074 − 0.0093 | Depletions for F⋆ = 0.4 − 0.8 | 6 | ||
| 0.009 − 0.01 | Depletions for ζ Oph (F⋆ = 1) | 6 | ||
| 0.0074 | THEMIS dust model | 7 | ||
| 0.0104 | DL07 dust model | 8 | ||
| 0.008 − 0.009 | Dust model | 9 | ||
| 12 + log(O/H) | 8.6 ± 0.1 | |||
| 8.5 − 8.6 | Absorption lines to nearby stars | 10,11 | ||
| 8.59 | Depletions for nearby stars | 12 | ||
| 8.66 | Depletions for F⋆ = 0.4 | 6 | ||
| 8.5 | Depletions for F⋆ = 1.0 | 13,14 | ||
| 8.5 | H II region emission lines | 15,16 | ||
References. (1) Bianchi et al. (2017); (2) Planck Collaboration XI (2014); (3) Planck Collaboration Int. XVII (2014); (4) Galliano et al. (2018); (5) Bianchi (2013); (6) Draine (2011); (7) Jones et al. (2017); (8) Draine et al. (2007); (9) Zubko et al. (2004); (10) Meyer et al. (1998); (11) Jensen et al. (2005); (12) Przybilla et al. (2008); (13) Jenkins (2009); (14) Ritchey et al. (2018); (15) Pilyugin et al. (2003); (16) Esteban & García-Rojas (2018).
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