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Table 2.
Disk model parameters for the normalized polarized flux 
for the R′ and I′ band, where fluxes are expressed relative to the total R′ and I′ intensity of the HD 169142 system.
| R′ | I′ | |
|---|---|---|
| Model parameters | ||
 (px−2) |
(0.8 ± 0.04)×10−6 | (1.1 ± 0.03)×10−6 |
| r1 (px) | 47.5 ± 0.3 | 47.6 ± 0.2 |
| σ1 (px) | 5.2 ± 0.4 | 4.7 ± 0.3 |
 (px−2) |
(1.8 ± 0.1)×10−8 | (2.4 ± 0.2)×10−8 |
| r2 (px) | 146 ± 6 | 135 ± 6 |
| αin | 3.5 ± 0.7 | 5.4 ± 0.9 |
| αout | −(4.3 ± 0.4) | −(3.6 ± 0.3) |
Integrated polarized flux  |
||
| Inner ring | (3.09 ± 0.06)×10−3 | (3.94 ± 0.05)×10−3 |
| Outer disk | (1.08 ± 0.06)×10−3 | (1.44 ± 0.05)×10−3 |
| Total disk | (4.30 ± 0.10)×10−3 | (5.48 ± 0.10)×10−3 |
Notes. Inner: 30–60 px, outer: 110–300 px, total: 30–300 px; one pixel corresponds to 3.6 mas.
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