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Table 3

Best-fit flux ratio and goodness of fit for 3 different disc models.

Disc model Flux ratio [%]

Uniform emission 1.35 ± 0.49 0.52
Zodiacal disc 1.26  ±  0.45 0.52
Narrow ring [0.2 AU] 1.20  ±  0.43 0.62

Notes. The angular diameter and effective temperature of the stellar photosphere have been fixed respectively to 3.312 ± 0.067 mas (see Table 2) and 8027 K as viewed by the dust in the equatorial plane (see main text).

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