Characterizing low-mass binaries from observation of long-timescale caustic-crossing gravitational microlensing events : Shin, I. G Han, C Choi, J.-Y Udalski, A Sumi, T Gould, A Bozza, V Dominik, M Fouqué, P Horne, K Szymański, M. K Kubiak, M Soszyński, I Pietrzyński, G Poleski, R Ulaczyk, K Pietrukowicz, P Kozłowski, S Skowron, J Wyrzykowski Abe, F Bennett, D. P Bond, I. A Botzler, C.S Chote, P Freeman, M Fukui, A Furusawa, K Itow, Y Kobara, S Ling, C.H Masuda, K Matsubara, Y Miyake, N Muraki, Y Ohmori, K Ohnishi, K Rattenbury, N. J Saito, T Sullivan, D. J Suzuki, D Suzuki, K Sweatman, W.L Takino, S Tristram, P. J Wada, K Yock, P.C. M Bramich, D. M Snodgrass, C Steele, I. A Street, R. A Tsapras, Y Alsubai, K. A Browne, P Burgdorf, M. J Novati, S. C Dodds, P Dreizler, S Fang, X. S Grundahl, F Gu, C.-H Hardis, S Harpsoe, K Hinse, T. C Hornstrup, A Hundertmark, M Jessen-Hansen, J Jorgensen, U. G Kains, N Kerins, E Liebig, C Lund, M Lunkkvist, M Mancini, L Mathiasen, M Penny, M. T Rahvar, S Ricci, D Scarpetta, G Skottfelt, J Southworth, J Surdej, J Tregloan-Reed, J Wambsganss, J Wertz, O Almeida, L. A Batista, V Christie, G Depoy, D. L Dong, S Gaudi, B. S Henderson, C Jablonski, F Lee, C. U McCormick, J McGregor, D Moorhouse, D Natusch, T Ngan, H Park, S. Y Pogge, R. W Tan, T. G Thornley, G Yee, J. C Albrow, M. D Bachelet, E Beaulieu, J. P Brillant, S Cassan, A Cole, A. A Corrales, E Coutures, C Dieters, S Prester, D. D Donatowicz, J Greenhill, J Kubas, D Marquette, J. B Menzies, J. W Sahu, K. C Zub, A. M Sharif University of Technology Institute of Physics Publishing