Ground-based parallax confirmed by Spitzer: binary microlensing event MOA-2015-BLG-020

We present the analysis of the binary gravitational microlensing event MOA-2015-BLG-020. The event has a fairly long timescale (∼63 days) and thus the light curve deviates significantly from the lensing model that is based on the rectilinear lens-source relative motion. This enables us to measure th...

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Main Authors: Wang, Tianyu (Author) , Tsapras, Yiannis (Author) , Hundertmark, Markus (Author) , Wambsganß, Joachim (Author) , Schmidt, Robert W. (Author)
Format: Article (Journal)
Language:English
Published: 2017 August 18
In: The astrophysical journal
Year: 2017, Volume: 845, Issue: 2
ISSN:1538-4357
DOI:10.3847/1538-4357/aa813b
Online Access:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.3847/1538-4357/aa813b
Verlag, kostenfrei, Volltext: http://stacks.iop.org/0004-637X/845/i=2/a=129
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Author Notes:Tianshu Wang, Wei Zhu, Shude Mao, I.A. Bond, A. Gould, A. Udalski, T. Sumi, V. Bozza, C. Ranc, A. Cassan, J.C. Yee, C. Han, F. Abe, Y. Asakura, R. Barry, D.P. Bennett, A. Bhattacharya, M. Donachie, P. Evans, A. Fukui, Y. Hirao, Y. Itow, K. Kawasaki, N. Koshimoto, M.C.A. Li, C.H. Ling, K. Masuda, Y. Matsubara, S. Miyazaki, Y. Muraki, M. Nagakane, K. Ohnishi, N. Rattenbury, To Saito, A. Sharan, H. Shibai, D.J. Sullivan, D. Suzuki, P.J. Tristram, T. Yamada, A. Yonehara, M. O. A. Collaboration, S. KozŁowski, P. Mróz, M. Pawlak, P. Pietrukowicz, R. Poleski, J. Skowron, I. Soszyński, M.K. Szymański, K. Ulaczyk, OGLE Collaboration, C. Beichman, G. Bryden, S. Calchi Novati, S. Carey, M. Fausnaugh, B.S. Gaudi, C.B. Henderson, Y. Shvartzvald, B. Wibking, Spitzer Team, M.D. Albrow, S.-J. Chung, K.-H. Hwang, Y.K. Jung, Y.-H. Ryu, I.-G. Shin, S.-M. Cha, D.-J. Kim, H.-W. Kim, S.-L. Kim, C.-U. Lee, Y. Lee, B.-G. Park, R.W. Pogge, KMTNet Collaboration, R.A. Street, Y. Tsapras, M. Hundertmark, E. Bachelet, M. Dominik, K. Horne, R. Figuera Jaimes, J. Wambsganss, D.M. Bramich, R. Schmidt, C. Snodgrass, I.A. Steele, J. Menzies, RoboNet Collaboration
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Ground-based parallax confirmed by Spitzer: binary microlensing event MOA-2015-BLG-020 by Wang, Tianyu (Author) , Tsapras, Yiannis (Author) , Hundertmark, Markus (Author) , Wambsganß, Joachim (Author) , Schmidt, Robert W. (Author) ,


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