Open Access
Table 1
Parameter space for the parametric study.
| Stellar properties (a) Parameter | Value | |
|---|---|---|
| Teff (K) | 7250 | |
| log g (dex) | 1.01 | |
| RPost–AGB star (R⊙) | 65 | |
| LPost–AGB star (L⊙) | 10 500 | |
| d (kpc) | 1.22 |
| Parameter | Reference model | Grid range |
|---|---|---|
| α | 0.01 | [0.001, 0.01, 0.1] |
| β | 1.2 | [1.2, 1.4, 1.6] |
| amin(µm) | 0.1 | [0.01, 0.1, 1.0] |
| gas/dust | 100 | [50, 100, 200] |
| h0 (au) | 0.93 | [0.93, 1.40, 1.87] |
| md (×10−3 M⊙) | 2.0 | [1.0, 2.0, 4.0] |
| pin | −1.5 | [−1.0, −1.5, −2.0] |
| q | 2.75 | [2.50, 2.75, 3.25] |
| rmid (Rin) | 3.0 | [2.5, 3.0, 3.5] |
| Rin (au) | 7.20 | Fixed |
| Rout (au) | 175 | Fixed |
| amax (mm) | 1.0 | Fixed |
| i (deg) | 19 | Fixed |
| PA (deg) | 6 | Fixed |
| pout | 1.0 | Fixed |
| Dust composition | Reference model | Grid range |
|---|---|---|
| Porosity | 0% | [0%, 25%] |
| fmax | 0.7 | [0.7, 0.8] |
| Crystallinity fraction | 0.0 | [0.0, 0.2, 0.4] |
| Metallic iron | 0% | [0%, 15%] |
Notes. (a) Values for the displayed stellar parameters are taken from Kluska et al. (2018, 2022) and re-scaled with the distances from Gaia DR3 (Gaia Collaboration 2023).
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