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Steele, J. A. R. Caldwell, J. B. Marquette, J. Donatowicz, J. Greenhill, J. McCormick, J. Menzies, J. P. Beaulieu, J. Wambsganss, K. C. Sahu, K. D. Horne, K. Furusawa, K. H. Cook, K. Masuda, K. Ohnishi, K. R. Pollard, K. Ulaczyk, L. Wyrzykowski (The OGLE Collaboration) F. Abe, M. Bode, M. Burgdorf, M. Dominik, M. K. Szymanski, M. Kubiak, M. Zub (the PLANET Collaboration), N. Clay, N. Kains, N. Miyake, N. Rattenbury, P. C. M. Yock (The MOA Collaboration) W. Allen, P. Fouque, P. J. Tristram, R. A. Street, R. Martin, R. W. Pogge (The muFUN Collaboration) A. Allan, S. Brillant, S. Dieters, S. Dong, S. Holderness, S. Kane, T. Nagayama, T. Natusch, To. Saito, T. Sako, T. Sumi, U. G. Jorgensen, V. Batista, W. L. Sweatman, Y. Itow, Y. Matsubara, Y. Muraki, Y. Tsapras (The RoboNet Collaboration) M. D. Albrow","submitted_at":"2012-07-05T12:51:34Z","abstract_excerpt":"We report the extremely high magnification (A > 1000) binary microlensing event OGLE-2007-BLG-514. 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