The CFHTLS at a Glance

	Area	Field Placement	Filters	Depth (AB system)	Exposure Time	Total Nights
UltraWide Survey	1300 deg²	325 degrees along the ecliptic plane, in a band of ± 2 degrees	r' g' i' or z'	24.9 25.5 24.5 or 23.2	14 min 6 min 6 min	110
Deep Survey	172 deg²	At least 3 patches, two of 6 x 6 deg² and one of 10 x 10 deg². The large patch will cover the XMM LSS field; the location of the other patches is yet to be decided	u* g' r' i' z'	26.4 26.4 25.9 25.9 24.5	6000 sec 2500 sec 2000 sec 4300 sec 7200 sec	162
UltraDeep Survey	4 deg²	Four patches of 1 x 1 deg², each a subset of one of the Wide Survey fields	u* g' r' i' z'	27.9 28.3 28.2 28.2 26.5	33 hr 33 hr 66 hr 132 hr 66 hr	202