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Detection Probability of a Low-Mass Planet for Triple Lens Events: Implication of Properties of Binary-Lens Superposition
Yoon-Hyun Ryu, Heon-Young Chang, Myeong-Gu Park
In view of the assumption that any planetary system is likely to be composed of more than one planet, and the multiple planet system with a large mass planet has more chance of det…
OGLE-2009-BLG-092/MOA-2009-BLG-137: A Dramatic Repeating Event With the Second Perturbation Predicted by Real-Time Analysis
Y. -H. Ryu, C. Han, K. -H. Hwang +105
We report the result of the analysis of a dramatic repeating gravitational microlensing event OGLE-2009-BLG-092/MOA-2009-BLG-137, for which the light curve is characterized by two…
Correlations Between Planetary Microlensing Parameters
Cheongho Han, Kyu-Ha Hwang, Yoon-Hyun Ryu
Characterization of microlensing planets requires modeling of observed light curves including many parameters. Studying the dependency of the pattern of light curves on the lensing…
OGLE-2005-BLG-153: Microlensing Discovery and Characterization of A Very Low Mass Binary
K. -H. Hwang, A. Udalski, C. Han +77
The mass function and statistics of binaries provide important diagnostics of the star formation process. Despite this importance, the mass function at low masses remains poorly kn…