Open Access
Table B.1
DALI model parameters.
Model parameter | dust trap side (south) | non-dust trap side (north) | Description |
---|---|---|---|
Physical structure | |||
Rsubl | 0.4 AU | Sublimation radius | |
Rcav in, dust | 1 AU | Inner radius of the dust cavity | |
Rcav out, gas | 25 AU | Outer radius of the gas cavity | |
Rcav out, dust | 60 AU | Outer radius of the dust cavity | |
Rtrar in | 60 AU | - | Inner radius of the dust trap |
Rtrar out | 80 AU | - | Outer radius of the dust trap |
Rc | 60 AU | Characteristic radius of the surface density profile | |
Rout | 120 AU | Outer radius of the disk | |
Σc | 0.25 g cm−2 | Sets the gas surface density at the characteristic radius Rc | |
Mdisk | 3.3 × 10−4 Μ⊙ | Mass of the disk | |
γ | 1 | Power law index of the surface density profile | |
hc | 0.14 | Scale height angle at the characteristic radius Rc | |
ψ | 0.22 | Flaring index of the disk surface density | |
PAH abundance | 0.1 | Gas-phase abundance of PAHs w.r.t. to ISM value | |
δgas | 10−3 | Relative drop in gas density inside the gas cavity (Rsubl < R < | |
Rcav out, gas) | |||
δdust, in | 9 × 10−4 | Relative drop in dust density in the dusty inner disk w.r.t. the | |
outer disk (Rsubl < R < Rcav in, dust) | |||
δdust, out | 10−20 | Relative drop in dust density inside the dust cavity (Rcav in, dust < | |
R < Rcav out, dust) | |||
Dust properties | |||
χ | 0.1 | Settling of large grains | |
f1s | 0.85 | Mass fraction of grains that is large | |
χtrap | 1000 | - | Increase of large dust grains inside the dust trap |
Δgas/dust | 20 | Gas-to-dust mass ratio | |
Stellar properties | |||
M* | 2 M⊙ | Mass of the central star | |
Ṁ*(1) | 4 × 10−9 M⊙ yr−1 | Mass accretion rate of the central star | |
Stellar spectrum | |||
L* | 14.3 L⊙ | Luminosity of the central star | |
LX | 1 × 1027 erg s−1 | X-ray luminosity of the central star | |
Teff | 9 × 103 K | Effective temperature of the central star | |
TX | 7 × 107 K | Effective temperature of the X-ray radiation | |
ζc.r. | 1 × 10−18s−1 | Cosmic ray ionization rate | |
Observational geometry | |||
i | 50° | Disk inclination (0° is face-on) | |
d | 135 pc | Distance to the star | |
Chemistry(2) | |||
H | 5.2 × 10−5 | ||
He | 1.4 × 10−1 | ||
H2 | 5.0 × 10−1 | ||
H2O | 1.9 × 10−4 | ||
CO | 1.3 × 10−4 | ||
N2 | 3.1 × 10−5 | ||
Mg+ | 1.0 × 10−11 | ||
Si+ | 1.0 × 10−11 | ||
S+ | 1.0 × 10−11 | ||
Fe+ | 1.0 × 10−11 |
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