Table 2
Modeling results for OH 127.8+0.0, associated with Model 2 in Table 4.
| Modeling results | |||
|
|
|||
| T ⋆ | 3000 K | ψ mom | ≥0.05 × 10-2 |
| Ri,d = Ri,g | 7.0 R⋆ | ψ dens | 1.0 × 10-2 |
| R o,g | 50 × 103R⋆ | ψ H2O | ≤ 0.5 × 10-2 |
| R o,d | 7 × 103R⋆ | N H2O − ice | 3.9 × 1017 cm-2 |
| Ṁ g | 5 × 10-5M⊙ yr-1 | OPR | 3 |
| Ṁ d | 5 × 10-7M⊙ yr-1 | nH2O,crit/nH2 | 1.7 × 10-4 |
| ν∞,d | 13.6 km s-1 | ||
Notes.T⋆ gives the stellar effective temperature; Ri,d and Ri,g the dust and gas inner radii respectively; Ro,g the photodissociation radius of 12CO; Ro,d the dust outer radius; Ṁd and Ṁg the dust and gas mass-loss rates; ν∞,d the dust terminal velocity; ψmom, ψdens and ψH2O the dust-to-gas ratios derived from three different methods (see Sect. 3.5.3); NH2O − ice the H2O ice column density; OPR the ortho-to-para H2O ratio; and nH2O,crit/nH2 the critical H2O vapor abundance with respect to H2.
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