First cosmic shear measurements from the Wide Survey
Henk Hoekstra, Ludovic van Waerbeke, Yannick Mellier, et al.

We present the first measurements of the lensing signal induced by intervening, large scale structure based on an effective area of 22 square degrees of i-band data from the W1 and W3 fields. The results appear free of significant systematics, suggesting that this component of the legacy survey can reach its science goals with the addition of more area. Already the current data set is a significant improvement compared to previous work.