Table 4
Stellar and circumstellar parameters of the model grid described in Sect. 4.1.
| Parameter | Unit | Standard | Range | Step size | |
|
|
|||||
| log (Ṁg) | M⊙ yr-1 | [−8.0,−4.5] | 0.5 | ||
| log (nH2O/nH2) | [−10,−4] | 1 | |||
| ϵ | 0.4 | [0.3,0.9] | 0.1 | ||
| T ⋆ | 103 K | 2.4 | [2.4,3.0] | 0.3 | |
| L ⋆ | 103L⊙ | 8 | [4,12] | 4 | |
| ν∞,g | km s-1 | 10 | [10,25] | 5 | |
| log (ψ) | –3 | [−3.3,−2.7] | 0.3 | ||
| n CO / n H2 | 10-3 | 0.8 | [0.6,1.2] | 0.2 | |
Notes. The first and second column list the parameter and its unit, the third column lists the adopted value in the standard model grid, the fourth column indicates the sampling range in which an individual parameter is allowed to vary, and the last column gives the step size with which the parameter was probed. Listed are the gas mass-loss rate (Ṁg), H2O abundance with respect to molecular hydrogen (nH2O/nH2), power of the adopted radial gas kinetic-temperature profile given in Eq. (1) (ϵ), effective temperature (T⋆), luminosity (L⋆), gas terminal velocity (ν∞,g), dust-to-gas ratio (ψ), and CO abundance with respect to molecular hydrogen (nCO/nH2).
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