The Photodetector Array Camera and Spectrometer (PACS) on the Herschel Space Observatory

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Table 5:

Absolute photometric uncertainty and point source sensitivity.
Band	Uncertainty^a	Point source^b	Scan map^b	Parallel^b
		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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