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Table 4

Characteristics of three HD 141569 models.

Parameter Unit Model A Model B Model C

Disk total dust mass M 3.1 × 10-6 1.2 × 10-6 9.5 × 10-6
Disk zone 1
Disk location AU 0.5–10 0.5–10 0.5–10
Disk, dust mass M 5 × 10-10 7 × 10-10 7 × 10-10
Forsterite fraction ... 0 0 0
Min. dust size μm 1 10 10
Disk zone 2
Disk location AU 15–30 15–30 15–30
Disk, dust mass M 1 × 10-7 1 × 10-7 5 × 10-7
Forsterite fraction ... 0.07 0 0.07
Min. dust size μm 1 10 10
Disk zone 3
Disk location AU 185–235 185–235 185–235
Disk, dust mass M 1 × 10-6 1 × 10-6 3.0 × 10-6
Forsterite fraction ... 0 0.2 0
Min. dust size μm 1 1 10
Disk zone 4
Disk location AU 300–400 300–400 300–400
Disk, dust mass M 2 × 10-6 1 × 10-7 6.0 × 10-6
Forsterite fraction ... 0 0 0
Min. dust size μm 1 1 10

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