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KMT-2016-BLG-0212: First KMTNet-Only Discovery of a Substellar Companion

MPS-Authors

Hwang,  K. -H.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kim,  H. -W.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kim,  D. -J.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Gould,  A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Albrow,  M. D.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Chung,  S. -J.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Han,  C.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Jung,  Y. K.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Ryu,  Y. -H.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Shin,  I. -G.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Shvartzvald,  Y.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Yee,  J. C.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Zang,  W.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Zhu,  W.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Cha,  S. -M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kim,  S. -L.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Lee,  C. -U.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Lee,  D. -J.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Lee,  Y.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Park,  B. -G.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Pogge,  R. W.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

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Citation

Hwang, K.-.-H., Kim, H.-.-W., Kim, D.-.-J., Gould, A., Albrow, M. D., Chung, S.-.-J., et al. (2018). KMT-2016-BLG-0212: First KMTNet-Only Discovery of a Substellar Companion. Journal of Korean Astronomical Society, 51, 197-206.


Cite as: https://hdl.handle.net/21.11116/0000-0005-CD28-8
Abstract
We present the analysis of KMT-2016-BLG-0212, a low flux-variation (I_ {flux-var}̃20 mag) microlensing event, whichis in a high-cadence (Γ = 4 {hr}^{-1}) field of the three-telescope Korea Microlensing Telescope Network (KMTNet) survey. The event shows a short anomaly that is incompletely covered due to the brief visibility intervals that characterize the early microlensing season when the anomaly occurred. We show that the data are consistent with two classes of solutions, characterized respectively by low-mass brown-dwarf (q=0.037) and sub- Neptune (q<10^{-4}) companions, respectively. Future high-resolution imaging should easily distinguish between these solutions.}