Colbert, James WTeplitz, HarryFrancis, PaulPalunas, PovilasWilliger, GerardWoodgate, Bruce2015-12-070004-637Xhttp://hdl.handle.net/1885/18017We present Spitzer Space Telescope observations of the z = 2.38 Lyα emitter overdensity associated with galaxy cluster J2143-4423, the largest known structure (110 Mpc) above z = 2. We imaged 22 of the 37 known Lyα emitters within the filament-like struKeywords: Galaxies: evolution; Galaxies: high-redshift; Infrared: galaxies200610.1086/5006472015-12-07