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Detections of Planets in Binaries Through the Channel of Chang-Refsdal Gravitational Lensing Events
Cheongho Han, In-Gu Shin, Youn Kil Jung
Chang-Refsdal (C-R) lensing, which refers to the gravitational lensing of a point mass perturbed by a constant external shear, provides a good approximation in describing lensing b…
Binary Source Microlensing Event OGLE-2016-BLG-0733: Interpretation of A Long-term Asymmetric Perturbation
Y. K. Jung, A. Udalski, J. C. Yee +50
In the process of analyzing an observed light curve, one often confronts various scenarios that can mimic the planetary signals causing difficulties in the accurate interpretation…
A New Non-Planetary Interpretation of the Microlensing Event OGLE-2013-BLG-0723
Cheongho Han, David P. Bennett, Andrzej Udalski +1
Recently, the discovery of a Venus-mass planet orbiting a brown-dwarf host in a binary system was reported from the analysis of the microlensing event OGLE-2013-BLG-0723. We reanal…