Scarlata, CColbert, James WTeplitz, HarryBridge, CFrancis, PaulPalunas, PSiana, BWilliger, GerardWoodgate, Bruce2015-12-070004-637Xhttp://hdl.handle.net/1885/25038We present a study of an extended Lyα nebula located in a known overdensity at z ∼ 2.38. The data include multiwavelength photometry covering the rest-frame spectral range from 0.1 to 250μm, and deep optical spectra of the sources associated with theKeywords: Galaxies: high-redshift; Large-scale structure of universeHe II Emission in Lyα Nebulae: Active Galactic Nucleus or Cooling Radiation?200910.1088/0004-637X/706/2/12412016-02-24