Ground-based Parallax Confirmed by Spitzer: Binary Microlensing Event MOA-2015-BLG-020

Wang, Tianshu and Zhu, Wei and Mao, Shude and Bond, I. A. and Gould, A. and Udalski, A. and Sumi, T. and Bozza, V. and Ranc, C. and Cassan, A. and Yee, J. C. and Han, C. and Abe, F. and Asakura, Y. and Barry, R. and Bennett, D. P. and Bhattacharya, A. and Donachie, M. and Evans, P. and Fukui, A. and Hirao, Y. and Itow, Y. and Kawasaki, K. and Koshimoto, N. and Li, M. C. A. and Ling, C. H. and Masuda, K. and Matsubara, Y. and Miyazaki, S. and Muraki, Y. and Nagakane, M. and Ohnishi, K. and Rattenbury, N. and Saito, To. and Sharan, A. and Shibai, H. and Sullivan, D. J. and Suzuki, D. and Tristram, P. J. and Yamada, T. and Yonehara, A. and KozŁowski, S. and Mróz, P. and Pawlak, M. and Pietrukowicz, P. and Poleski, R. and Skowron, J. and Soszyński, I. and Szymański, M. K. and Ulaczyk, K. and Beichman, C. and Bryden, G. and Calchi Novati, S. and Carey, S. and Fausnaugh, M. and Gaudi, B. S. and Henderson, C. B. and Shvartzvald, Y. and Wibking, B. and Albrow, M. D. and Chung, S. -J. and Hwang, K. -H. and Jung, Y. K. and Ryu, Y. -H. and Shin, I. -G. and Cha, S. -M. and Kim, D. -J. and Kim, H. -W. and Kim, S. -L. and Lee, C. -U. and Lee, Y. and Park, B. -G. and Pogge, R. W. and Street, R. A. and Tsapras, Y. and Hundertmark, M. and Bachelet, E. and Dominik, M. and Horne, K. and Figuera Jaimes, R. and Wambsganss, J. and Bramich, D. M. and Schmidt, R. and Snodgrass, C. and Steele, I. A. and Menzies, J.

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