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Table 1
RADMC-3D model parameters.
| Parameter | Description | Value |
|---|---|---|
| Grid | ||
| rout | Envelope radius | 8 × 103 AU |
| rin | Grid start radius | 5 AU |
| rplat | Radius of the density plateau | 600 AU |
| nθ | Number of grid cells in the polar range | 131 |
| nϕ | Number of grid cells in the azimuthal range | 131 |
| Temperature analysis | ||
| nr, out | Number of grid cells in the outer radial region (r > 600 AU) | 88 |
| nr, in | Number of grid cells in the inner radial region (r ≤ 600 AU) | 110 |
| nphotons | Number of photons used in thermal Monte Carlo process | 5 × 107 |
| LA | Luminosity of source A | 3–20 L⊙ |
| One radiation source | ||
| roct | Octree refinement radius around source | 400 AU |
| noctree levels | Octree refinement number | 1 |
| Two radiation sources | ||
| roct | Octree refinement radius around each source | 250 AU |
| noctree levels | Octree refinement number | 2 |
| IRAS 16293 model | ||
| nr, out | Grid cells in the outer radial region (r > 600 AU) | 22 |
| nr, in | Grid cells in the inner radial region (r ≤ 600 AU) | 110 |
| ρ0, env | Envelope reference density at r0, env | 2.5 × 10−14 g cm−3 |
| r0, env | Envelope reference radius | 1 AU |
| penv | Envelope density power-law exponent | 1.7 |
| MA | Source A stellar mass | 1 M⊙ |
| MB | Source B stellar mass | 0.1 M⊙ |
| †Teff | Star surface temperature | 5000 K |
| LA | Source A luminosity | 3–20 L⊙ |
| r0, disk | PP-disk reference radius | 10 AU |
| rinner disk | Disk inner radius | 1 AU |
| rdisk,A | Disk A radius | 150 AU |
| rdisk,B | Disk B radius | 50 AU |
| Disk constraints | ||
| Fpeak, A | Peak flux density toward source A | 1.0 Jy beam−1 |
| Fpeak, B | Peak flux density toward source B | 2.0 Jy beam−1 |
| Disk A aspect ratio | … | 1.64 |
 |
Disk B column density | ≥1.2 × 1025 cm−2 |
| PP-disk models | ||
| ΣA | Parameter space for reference surface density of PP-disk A at 10 AU | 0.1–5.0 g cm−2 |
| ΣB | Parameter space for reference surface density of PP-disk B at 10 AU | 1.0–12.0 g cm−2 |
| Ψ | Parameter space of the PP-disks flaring constants | 0–0.25 |
| p | Parameter space of the PP-disks dust density radial power-law exponents | 0.5–1.5 |
| H0,A | Parameter space of PP-disk A scale-height at 10 AU | 0.85–2.0 AU |
| H0,B | Parameter space of PP-disk B scale-height at 10 AU | 0.85–3.0 AU |
| iA | Parameter space of PP-disk A inclination, 90° is edge-on | 30–90° |
| nlev, disk | Octree refinement level of entire disk | 2 |
| nlev, in disk | Octree refinement level in innermost region | 4 |
| nphotons | Number of photons used in thermal Monte Carlo process | 107 |
| Rotating toroid models | ||
| rc, A | Parameter space of the centrifugal radius of rotating toroid A | 50–100 AU |
| rc, B | Parameter space of the centrifugal radius of rotating toroid B | 5–40 AU |
| Ṁ A | Parameter space of the mass accretion rate into source A | 1.0 × 10−6 –5.5 × 10−6 M⊙ yr−1 |
| Ṁ B | Parameter space of the mass accretion rate into source B | 1.0 × 10−6 –5.5 × 10−6 M⊙ yr−1 |
| nlev, disk | Octree refinement level of entire disk | 2 |
| nlev, in disk | Octree refinement level in innermost region | 2 |
| nphotons | Number of photons used in thermal Monte Carlo process | 106 |
| Dust arc | ||
| ρ0 | Reference density | 2.5 × 10−17 g cm−3 |
| rout | Filament radius from filament center | 130 AU |
| Filament semi-minor axis | … | 170 AU |
| Filament semi-major axis | … | 300 AU |
Notes. Model parameters for each setup. LB is always defined as LB = 21.0 L⊙–LA. (†) The radiation spectra of both source A and B are treated as blackbodies with a temperature of 5000 K, following Schöier et al. (2002).
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