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The XMM-LSS survey. Survey design and first results

Refregier, Alexandre; Gandhi, Poshak; Mellier, Yannick +36 more

The XMM Large Scale Structure survey (XMM-LSS) is a medium deep large area X-ray survey. Its goal is to extend large scale structure investigations attempted using ROSAT cluster samples to two redshift bins between 0<z<1 while maintaining the precision of earlier studies. Two main goals have constrained the survey design: the evolutionary st…