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Table 4

Summary of model parameters.

Zone β a M dust R in R out edge q b H / R Dust type a min a max fPAH G / D
[M⊙] [AU] [AU] [AU] [AU] [ μm] [ μm]
Model 1a Only astronomical silicates. No gas in the gap
1 1.10 7.0E-10 0.16 0.21 0.002 –1.5 0.016/0.10 Astro-Silicates 10.00 1000.00 100
2 1.00 1.1E-04 45 200 1.0 –2.5 4.5/45 Astro-Silicates 0.05 1000.00 6.5E-3 100
Model 1b Only astro. silicates. Gas in the gap
1 1.10 7.0E-10 0.16 0.21 0.002 –1.5 0.016/0.10 Astro-Silicates 10.00 2000.00 100
2 1.10 1.0E-08 0.21 40 0.0 –1.0 0.015/0.10 Astro-Silicates 10.00 2000.00 100
3 1.00 1.1E-04 45 200 1.0 –2.5 4.5/ 45 Astro-Silicates 0.05 1000.00 6.5E-3 100
Model 2a 25% carbon grains inner disk
1 1.25 1.8E-10 0.18 20 0.001 –1.5 0.012/0.10 Amor. Carbon 0.01 10 100
Astro-Silicates 0.01 1000
2 1.00 1.0E-04 45 200 1.0 –2.5 5.5/ 45 Astro-Silicates 0.05 1000 6.5E-3 100
Model 2b 5% carbon grains inner disk
1 1.00 3.0E-10 0.18 3 0.001 –2.0 0.010/0.10 Am. Carbon 0.01 10 100
Astro-Silicates 10 1000 100
2 1.00 1.1E-04 45 200 1.0 –2.5 6.0/45 Astro-Silicates 0.05 1000 6.5E-3 100
Model 3 carbon-enriched innermost disk (0.2 <R< 0.25 AU); G/D = 100 in the whole disk
1 1.00 6.0E-12 0.21 30 0.002 –5.0 0.010/0.10 Am. Carbon 0.01 10 100
2 1.00 1.0E-06 0.21 30 0.002 0.25 0.015/0.10 Astro-Silicates 100 2000 100
3 0.60 1.0E-04 45 200 1.0 –2.0 6.3/ 45 Astro-Silicates 0.05 1000 6.5E-3 100
Model 4 inner disk: carbon grains 0.08 <R< 0.2 AU; silicates 0.2 <R< 45 AU; (G/D)inner = 150; outer disk: dust settling, (G/D)outer = 2; continuous gas surface density at 45 AU
1 1.10 2.5E-12 0.085 0.20 0.002 0.0 0.012/0.10 Am. Carbon 0.01 10 150
2 1.12 3.5E-07 0.20 44 0.0 0.30 1.2/10 Astro-Silicates 0.10 1000 150
3 1.0 0.4E-04 45 200 0.0 –1.0 1.2/10 Astro-Silicates 0.01 10 0.18 2
4 1.0 1.6E-04 45 200 0.0 –1.0 0.5/10 Astro-Silicates 0.01 1000 0.18 2
Model 5 inner disk: carbon grains 0.08 <R< 0.2 AU; silicates 0.2 <R< 30 AU; outer disk: small dust dust down to 30 AU, large dust down to 45 AU
1 1.10 2.5E-12 0.085 0.20 0.002 0.00 0.012/0.10 Am. Carbon 0.01 10 100
2 1.12 1.0E-07 0.20 30.00 0.0 0.20 1.1/10 Astro-Silicates 0.10 1000 150
3 1.00 0.5E-04 30.00 200.00 0.0 –1.00 1.1/10 Astro-Silicates 0.01 10 0.09 4
4 1.00 1.5E-04 45.00 200.00 1.0 –1.00 0.7/10 Astro-Silicates 0.01 1000 0.09 4

Notes.

(a)

β is the flaring exponent;

(b)

q is the surface density exponent.

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