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OGLE-2018-BLG-1700L: Microlensing Planet in Binary Stellar System

  • Authors: Cheongho Han, Chung-Uk Lee, Andrzej Udalski, Andrew Gould, Ian A. Bond, Michael D. Albrow, Sun-Ju Chung, Kyu-Ha Hwang, Youn Kil Jung, Yoon-Hyun Ryu, In-Gu Shin, Yossi Shvartzvald, Jennifer C. Yee, Weicheng Zang, Sang-Mok Cha, Dong-Jin Kim, Hyoun-Woo Kim, Seung-Lee Kim, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, M. James Jee, Doeon Kim, Przemek Mróz, Michał K. Szymański, Jan Skowron, Radek Poleski, Igor Soszyński, Paweł Pietrukowicz, Szymon Kozłowski, Krzysztof Ulaczyk, Krzysztof A. Rybicki, Patryk Iwanek, Marcin Wrona, Fumio Abe, Richard Barry, David P. Bennett, Aparna Bhattacharya, Martin Donachie, Hirosane Fujii, Akihiko Fukui, Yoshitaka Itow, Yuki Hirao, Yuhei Kamei, Iona Kondo, Naoki Koshimoto, Man Cheung Alex Li, Yutaka Matsubara, Yasushi Muraki, Shota Miyazaki, Masayuki Nagakane, Clément Ranc, Nicholas J. Rattenbury, Haruno Suematsu, Denis J. Sullivan, Takahiro Sumi, Daisuke Suzuki, Paul J. Tristram, Takeharu Yamakawa, and Atsunori Yonehara

2020 The Astronomical Journal 159 48.

  • Provider: AAS Journals

Caption: Figure 5.

Comparison of models with and without the consideration of higher-order effects. The model curves of the two solutions are presented in the upper panel, in which the red and blue curves are for the solutions with and without higher-order effects, respectively. The lower panel shows the cumulative distributions of ﹩{\rm{\Delta }}{\chi }^{2}﹩ between the two solutions. The inset in the upper panel shows the zoomed-in region of ﹩8392\lesssim {\mathrm{HJD}}^{{\prime} }\equiv \mathrm{HJD}-{\rm{2450,000}}\lesssim 8400﹩, during which a major fit improvement occurs. The presented model light curves are for the solutions with s3 < 1.0 and u0 > 0.0.

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