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Table 2

Measurements of the morphology of the disc from the Ks polarised intensity image and Lp intensity image.

Filter Polarisation PA r0 (AU) i xc(AU) yc (AU) g χ 2

Ks Yes 26.7°± 1.6° −5.8± 8.3 NA 1.6
L No 26.9°± 1.5° 74.9± 2.1 76.0°± 1.5° 1.9± 3.0 −3.5± 9.6 0a 0.93
L No 2.0± 3.0 0.93

Notes. The parameter xc is the offset along the major-axis (negative means the SW side is closer to the star), and yc is the deprojected offset along the minor-axis (negative means the NW side is closer to the star). The uncertainty is given at 3σ and includes the uncertainty from the measurement and the star position. In L we investigated two scenarios: an isotropic disc (g set to 0) and an anisotropic disc (g as a free parameter).

(a)

Fixed parameter.

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