Deep Lyman alpha imaging of radio galaxy 1138-262 at redshift 2.2

J. D. Kurk, H. J. A. Roettgering, L. Pentericci +1

Observations of the powerful radio galaxy 1138-262 at z=2.2 suggest that this galaxy is a massive galaxy in the center of a forming cluster. We have imaged the field of 1138-262 wi…