KMT-2024-BLG-0816/OGLE-2024-BLG-0519 -- A Microlensing Event with Candidate Free-Floating Planet Lens and Blended Light

R. Poleski; Y. -H. Ryu; A. Udalski; W. Zang; M. D. Albrow; S. -J. Chung; A. Gould; C. Han; K. -H. Hwang; Y. K. Jung; I. -G. Shin; Y. Shvartzvald; J. C. Yee; H. Yang; D. -J. Kim; C. -U. Lee; B. -G. Park; M. K. Szymański; I. Soszyński; K. Ulaczyk; P. Pietrukowicz; J. Skowron; D. Skowron; P. Mróz; K. Rybicki; P. Iwanek; M. Wrona; M. Gromadzki; M. Mróz; M. Ratajczak

arXiv · 2601.00325

KMT-2024-BLG-0816/OGLE-2024-BLG-0519 -- A Microlensing Event with Candidate Free-Floating Planet Lens and Blended Light

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Abstract

We present the discovery of a free-floating planet microlensing event KMT-2024-BLG-0816. The event shows finite-source effect, significant blending light, and no microlensing signal from a putative planet host. Among the free-floating planet events with finite source effects, this is the only event with unresolved blending light. We discuss how follow-up observations can be used to determine whether the blending light originates from a putative planet host.

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R. Poleski, Y. -H. Ryu, A. Udalski, W. Zang, M. D. Albrow, S. -J. Chung, A. Gould, C. Han, K. -H. Hwang, Y. K. Jung, I. -G. Shin, Y. Shvartzvald, J. C. Yee, H. Yang, D. -J. Kim, C. -U. Lee, B. -G. Park, M. K. Szymański, I. Soszyński, K. Ulaczyk, P. Pietrukowicz, J. Skowron, D. Skowron, P. Mróz, K. Rybicki, P. Iwanek, M. Wrona, M. Gromadzki, M. Mróz, M. Ratajczak. 2026-01-01. KMT-2024-BLG-0816/OGLE-2024-BLG-0519 -- A Microlensing Event with Candidate Free-Floating Planet Lens and Blended Light. https://arxiv.org/abs/2601.00325

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