The X-SHOOTER Lyman α survey at z = 2 (XLS-z2) I: what makes a galaxy a Lyman α emitter?

Jorryt Matthee , David Sobral , Matthew Hayes , Gabriele Pezzulli , Max Gronke , Daniel Schaerer , Rohan P Naidu , Huub Röttgering , João Calhau , Ana Paulino-Afonso , Sérgio Santos , Ricardo Amorín