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Table 3

Herschel photometry of Fomalhaut.

Band Integrated Flux contribution (%)b
flux (Jy)a Point source Inner disk Belt Blow-out grains

PACS 70 μm 10.8 ± 0.9c 5 21 74 27
PACS 160 μm 6.2 ± 0.6 2 23 75 7
SPIRE 250 μm 2.7 ± 0.3 2 25 73 3
SPIRE 350 μm 1.1 ± 0.1 2 27 71 2
SPIRE 500 μm 0.50 ± 0.05 2 29 69 2

Notes. 

(a)

Within a circular aperture with a radius of 52′′ (400 AU) around the geometric center of the belt.

(b)

From the best-fit model.

(c)

The excess flux at the location of the star is 50 ± 10% of the stellar flux at 70 μm, or 0.17 ± 0.02 Jy.

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