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Geach (Hertfordshire), J.-P. Kneib, J. Wilcox, K. Harrington, L. van Waerbeke, M. Chavez, M. Makler, M. Oguri, M. Parrish, M. S. Yun, M. Tecza, M. Viero, M. Zeballos, N. Jackson, N. J. Erickson, N. P. Ross, P. A. Harrison, P.-E. Belles, P. J. Marshall, R. Beswick, R. J. Ivison, R. Mujica, R. Simpson, S. Garrington, S. Lynn, T. Erben, T. Muxlow, T. O'Brien, Y.-T. Lin","submitted_at":"2015-03-19T16:16:00Z","abstract_excerpt":"We report the discovery of a gravitationally lensed hyperluminous infrared galaxy (L_IR~10^13 L_sun) with strong radio emission (L_1.4GHz~10^25 W/Hz) at z=2.553. The source was identified in the citizen science project SpaceWarps through the visual inspection of tens of thousands of iJKs colour composite images of Luminous Red Galaxies (LRGs), groups and clusters of galaxies and quasars. 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