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Pogge, Sang-Mok Cha, Seung-Lee Kim, Shude Mao, Sun-Ju Chung, Szymon Kozlowski, Tianshu Wang, Weicheng Zang, Wei Zhu, Yongseok Lee, Yoon-Hyun Ryu, Yossi Shvartzvald, Youn Kil Jung","submitted_at":"2019-05-15T03:06:56Z","abstract_excerpt":"We report the discovery of the planet OGLE-2018-BLG-0532Lb, with very obvious signatures in the light curve that lead to an estimate of the planet-host mass ratio $q=M_{\\rm planet}/M_{\\rm host}\\simeq 1\\times10^{-4}$. Although there are no obvious systematic residuals to this double-lens/single-source (2L1S) fit, we find that $\\chi^2$ can be significantly improved by adding either a third lens (3L1S, $\\Delta\\chi^2=81$) or second source (2L2S, $\\Delta\\chi^2=65$) to the lens-source geometry. 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