Table 5:

Absolute photometric uncertainty and point source sensitivity.

Band
Uncertaintya Point sourceb Scan mapb Parallelb
    mode [ $10'\times15'$] $[120'\times120']$
    $5\sigma$/1 h $5\sigma$/30 h $1\sigma$/3 h
Blue $\pm $10% 4.4 mJy 3.7 mJy 19.8 mJy
Green $\pm $10% 5.1 mJy 5.0 mJy n.a.
Red $\pm $20% 9.8 mJy 9.5 mJy 116 mJy

Notes. (a) Derived from 33, 23 and 51 targets for blue, green and red point source observations respectively.
(b) The noise values quoted in the table are instrument limited for the blue and green filter. The value for the red filter already contains confusion noise contributions (see text).


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