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Table 2
Characteristics of benchmark model and models of four transitional disks.
| Parameter | Unit | Benchmark | HD 97048 | HD 169142 | HD 135344 B | Oph IRS 48 | |
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| Stellar temperature | T ∗ | K | 10 000 | 10 000 | 8200 | 6590 | 9000 |
| Stellar luminosity | L ∗ | L ⊙ | 40 | 40 | 15.3 | 8.26 | 14.3 |
| Stellar radius | R ∗ | R ⊙ | 2.12 | 2.12 | 1.94 | 2.20 | 2.30 |
| Stellar mass | M ∗ | M ⊙ | 2.50 | 2.50 | 2.28 | 3.30 | 2.25 |
| inclination | i | ° | 45 | 43 | 13 | 11 | 48 |
| Distance | d | pc | 158 | 158 | 145 | 140 | 120 |
| Carbon atoms in PAH | N C | ... | 100 | 100 | 100 | 100 | 100 |
| Silicate mass | M Si | M dust | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Carbon mass | M C | M dust | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Min dust size | a min | μm | 1 | 0.5 | 0.5 | 1 | 0.1 |
| Max dust size | a max | mm | 1 | 1 | 1 | 1 | 1 |
| Dust-size power-law index | a pow | ... | −3.5 | −3.5 | −3.5 | −4.0 | −4.0 |
| Total, PAH neutral fraction | ⟨ f(0)total ⟩ | ... | 0.93 | 0.97 | 0.92 | 0.91 | 0.54 |
| Total, PAH ratio | I6.2/I11.3 | ... | 1.35 | 1.27 | 1.36 | 1.42 | 3.30 |
| Total, PAH luminosity | LPAH,total/L∗ | ... | 8.40 × 10-3 | 9.13 × 10-3 | 6.24 × 10-3 | 3.45 × 10-3 | 1.49 × 10-2 |
| Outer disk, PAH neutral fraction | ⟨ f(0)disk ⟩ | ... | 0.93 | 0.97 | 1.00 | 1.00 | 0.98 |
| Outer disk, PAH luminosity | LPAH,disk/LPAH,total | ... | 1 | 0.95 | 0.67 | 0.27 | 0.09 |
| Outer disk, gas mass | M gas,disk | M ⊙ | 5.0 × 10-2 | 5.0 × 10-2 | 8.0 × 10-3 | 1.0 × 10-2 | 3.0 × 10-3 |
| Outer disk, dust mass | M dust,disk | M ⊙ | 5.0 × 10-4 | 5.0 × 10-4 | 8.0 × 10-5 | 1.0 × 10-4 | 3.0 × 10-5 |
| Outer disk, PAH mass | M PAH,disk | M ⊙ | 2.5 × 10-7 | 2.5 × 10-7 | 4.0 × 10-8 | 5.0 × 10-8 | 1.5 × 10-8 |
| Outer disk, PAH-to-dust mass fraction | f PAH,disk | ... | 5.0 × 10-4 | 5.0 × 10-4 | 5.0 × 10-4 | 5.0 × 10-4 | 5.0 × 10-4 |
| Outer disk, inner radius | R in,disk | AU | 0.3 | 34 | 23 | 30 | 63 |
| Outer disk, outer radius | R out,disk | AU | 500 | 500 | 235 | 235 | 235 |
| Disk gap, PAH neutral fraction | ⟨ f(0gap) ⟩ | ... | ... | 0.21 | 0.07 | 0.87 | 0.52 |
| Disk gap, PAH luminosity | LPAH,gap/LPAH,total | ... | ... | 0.05 | 0.33 | 0.73 | 0.91 |
| Disk gap, gas mass | M gas,gap | M ⊙ | ... | 1.0 × 10-7 | 1.4 × 10-8 | 9.5 × 10-8 | 1.9 × 10-6 |
| Disk gap, dust mass | M dust,gap | M ⊙ | ... | 1.0 × 10-9 | 1.4 × 10-10 | 9.5 × 10-10 | 1.9 × 10-8 |
| Disk gap, PAH mass | M PAH,gap | M ⊙ | ... | 3.8 × 10-11 | 5.8 × 10-12 | 3.8 × 10-11 | 7.7 × 10-10 |
| Disk gap, PAH-to-dust mass fraction | f PAH,gap | ... | ... | 4.0 × 10-2 | 4.0 × 10-2 | 4.0 × 10-2 | 4.0 × 10-2 |
| Disk gap, inner radius | R in,gap | AU | ... | 2.5 | 0.3 | 0.3 | 0.3 |
| Disk gap, outer radius | R out,gap | AU | ... | 34 | 23 | 30 | 63 |
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