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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
*(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

Notes.(1) The stellar accretion rate is converted to a 104 K black body and then added to the stellar spectrum. An accretion rate of 4 × 10−9 M yr−1 corresponds to a UV luminosity of 0.2 L.(2) Abundance w.r.t. the total number of hydrogen atoms. All molecules start as gas-phase species.

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