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Table C.1
Other DALI model parameters.
| Model parameter | T Tauri | Herbig | Description |
|---|---|---|---|
| Physical structure | |||
| Rsubl | 0.07 AU | 0.2 AU | Sublimation radius, calculated as 0.07 AU  |
| Rcav in, dust | 1 AU | Inner radius of the dust cavity. | |
| Rcav out, gas | 30 AU | Outer radius of the gas cavity. | |
| Rcav out, dust | 50 AU | Outer radius of the dust cavity. | |
| Rc | 100 AU | Characteristic radius of the surface density profile. | |
| Rout | 600 AU | Outer radius of the disk. | |
| Σc | 0.28 g cm−2 | Sets the gas surface density at the characteristic radius Rc. | |
| Mdisk | 1.5(−3) M⊙ | Mass of the disk. | |
| γ | 1 | Power law index of the surface density profile. | |
| hc | 0.05 | Scale height angle at the characteristic radius Rc. | |
| ψ | 0.05 | Flaring index of the disk surface density. | |
| PAH abundance | 1(−3), 1(−1) | Abundance of PAHs w.r.t. to ISM value, in gas. | |
| δgas, in | 1(−3), 1(−2), 1(−1),1 | Relative drop in gas density inside the gas cavity (Rsubl < R < Rcav out, gas). | |
| δgas, out | 1 | Relative drop in gas density inside the dust cavity, but outside | |
| the gas cavity (Rcav out, gas < R < Rcav out, dust). | |||
| δdust, in | 1(−10), 1(−4) | Relative drop in dust density in the dusty inner disk w.r.t. the | |
| outer disk (Rsubl < R < Rcav in, dust). | |||
| δdust, out | 1(−10) | Relative drop in dust density inside the dust cavity (Rcav in, dust < R < Rcav out, dust). | |
| Dust properties | |||
| χ | 0.2 | Settling of large grains. | |
| fls | 1(−10), 0.85, 0.98 | Mass-fraction of grains that is large. | |
| Δgas/dust | 100 | Global gas-to-dust mass ratio. | |
| Stellar properties | |||
| M* | 0.9 M⊙ | 2.5 M⊙ | Mass of the central star. |
 |
1(−8) M⊙yr−1 | 0 M⊙ yr−1 | Mass accretion rate of the central star. |
| Stellar spectrum | |||
| L* | 1 L⊙ | 10 L⊙ | Luminosity of the central star. |
| LX | 1(30) erg s−1 | X-ray luminosity of the central star. | |
| Teff | 4000 K | 10000 K | Effective temperature of the central star. |
| TX | 7(7) K | Effective temperature of the X-ray radiation. | |
| ζc.r. | 5(−17) s−1 | Cosmic ray ionization rate. | |
| Observational geometry | |||
| i | 0° | Disk inclination (0° is face-on). | |
| d | 150 pc | Distance to the star. | |
| Chemistry | |||
| H | 1 | Abundance w.r.t. the total number of hydrogen atoms. | |
| He | 7.6(−2) | Abundance w.r.t. the total number of hydrogen atoms. | |
| C | 1.4(−4) | Abundance w.r.t. the total number of hydrogen atoms. | |
| N | 2.1(−5) | Abundance w.r.t. the total number of hydrogen atoms. | |
| O | 2.9(−4) | Abundance w.r.t. the total number of hydrogen atoms. | |
| Mg | 4.2(−7) | Abundance w.r.t. the total number of hydrogen atoms. | |
| Si | 7.9(−6) | Abundance w.r.t. the total number of hydrogen atoms. | |
| S | 1.9(−6) | Abundance w.r.t. the total number of hydrogen atoms. | |
| Fe | 4.3(−7) | Abundance w.r.t. the total number of hydrogen atoms. | |
| 12C/13C | 70 | Carbon isotope ratio. | |
| 16O/18O | 560 | Oxygen isotope ratio. |
Notes. a(b) represents a × 10b. Boldface indicates the fiducial value.(1) Following Dullemond et al. (2001).(2) The stellar accretion rate is converted to a 104 K black body and then added to the stellar spectrum. An accretion rate of 10−8 M⊙ yr−1 corresponds to a UV luminosity of 0.15 L⊙.
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