Open Access
Table B.1
DALI model parameters.
| Model parameter | value | Description |
|---|---|---|
| Physical structure | ||
| rsubl − rdust cav in | 0.4 − 1 au | dusty inner disk |
| δgas cav, δs dust, in, δ1 dust, in | 10−5, 10−2, 10−2 | surface density drop for rsubl < r < rcav in, dust |
| rdust cav in − rgas cav out | 1 − 15 au | gas cavity |
| δgas cav, δs dust cav, δ1 dust cav | 10−5, 10−10, 10−10 | surface density drop for rdust cav in < r < rgas cav out |
| rgas cav out − rdust cav out | 15 − 20 au | region outside gas cavity but inside dust cavity |
| δgas cav edge, δs dust cav edge, δ1 dust cav edge | 10−2, 10−2, 10−10 | surface density drop for rgas cav out < r < rdust cav out |
| rgap in − rgap out | 40 − 175 au | gap |
| δgas gap, δs dust gap, δ1 dust gap | 10−1, 10−1, 10−10 | surface density drop for rgap in < r < rgap out |
| r1 dust out − rout | 250 − 1000 au | disk region outside the second ring |
| δgas out, δs dust oub, δ1 dust out | 1, 1, 10−10 | surface density drop for rl dust out < r < rout |
| rc | 30 au | Characteristic radius of the surface density profile |
| ∑c | 250 g cm−2 | Sets the gas surface density at the characteristic radius rc |
| Mdisk | 5 × 10−2 M⊙ | Mass of the disk |
| γ | 1.1 | Power law index of the surface density profile |
| hc | 0.1 | Scale height angle at the characteristic radius rc |
| ψ | 0 | Flaring index of the disk surface density |
| PAH abundance | 0.1 | Gas-phase abundance of PAHs w.r.t. to ISM value |
| Dust properties | ||
| χ | 0.2 | Settling of large grains |
| fls | 0.85 | Mass-fraction of grains that is large |
| Δgas/dust | 100 | Gas-to-dust mass ratio |
| Stellar properties | ||
| M* | 2.5 M⊙ | Mass of the central star |
| L* | 36 L⊙ | Luminosity of the central star |
| Lx | 7.9 × 1028 erg s−1 | X-ray luminosity of the central star |
| Tx | 7 × 107 K | Effective temperature of the X-ray radiation |
| ζc.r. | 1 × 10−18 s−1 | Cosmic ray ionization rate |
| Observational geometry | ||
| i | 41° | Disk inclination (0° is face-on) |
| d | 108.1 pc | Distance to the star |
| Chemistry(1) | ||
| H | 5.2 × 10−5 | |
| He | 1.4 × 10−1 | |
| N | 3.0 × 10−5 | |
| H2 | 5.0 × 10−1 | |
| H2O | 1.9 × 10−4 | |
| CO | 1.3 × 10−4 | |
| N2 | 1.2 × 10−5 | |
| NH3 | 8.1 × 10−6 | |
| Mg+ | 1.0 × 10−11 | |
| Si+ | 1.0 × 10−11 | |
| S+ | 1.0 × 10−11 | |
| Fe+ | 1.0 × 10−11 | |
| tend | 5 Myr |
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