Systematic KMTNet Planetary Anomaly Search. I. OGLE-2019-BLG-1053Lb, a Buried Terrestrial Planet

W Zang, KH Hwang, A Udalski, T Wang… - The Astronomical …, 2021 - iopscience.iop.org
In order to exhume the buried signatures of" missing planetary caustics" in Korea
Microlensing Telescope Network (KMTNet) data, we conducted a systematic anomaly …

Systematic KMTNet Planetary Anomaly Search. VII. Complete Sample of q< 10− 4 Planets from the First 4 yr Survey

W Zang, YK Jung, H Yang, X Zhang… - The Astronomical …, 2023 - iopscience.iop.org
We present the analysis of seven microlensing planetary events with planet/host mass ratios
q< 10− 4: KMT-2017-BLG-1194, KMT-2017-BLG-0428, KMT-2019-BLG-1806, KMT-2017 …

OGLE-2018-BLG-0567Lb and OGLE-2018-BLG-0962Lb: Two Microlensing Planets through the Planetary-caustic Channel

YK Jung, C Han, A Udalski, A Gould… - The Astronomical …, 2021 - iopscience.iop.org
We present the analyses of two microlensing events, OGLE-2018-BLG-0567 and OGLE-
2018-BLG-0962. In both events, the short-lasting anomalies were densely and continuously …

An Earth-mass planet in a time of COVID-19: KMT-2020-BLG-0414Lb

W Zang, C Han, I Kondo, JC Yee, CU Lee… - … in astronomy and …, 2021 - iopscience.iop.org
We report the discovery of KMT-2020-BLG-0414Lb, with a planet-to-host mass ratio q 2= 0.9–
1.2× 10− 5= 3–4⊕ at 1σ, which is the lowest mass-ratio microlensing planet to date …

Mass Production of 2021 KMTNet Microlensing Planets. I

YH Ryu, YK Jung, H Yang, A Gould… - The Astronomical …, 2022 - iopscience.iop.org
We inaugurate a program of" mass production" of microlensing planets discovered in 2021
KMTNet data, with the aim of laying the basis for future statistical studies. While we ultimately …

Modeling microlensing events with MulensModel

R Poleski, JC Yee - Astronomy and computing, 2019 - Elsevier
We introduce MulensModel, a software package for gravitational microlensing modeling.
The package provides a framework for calculating microlensing model magnification curves …

OGLE-2017-BLG-1434Lb: Eighth q< 1* 10^-4 Mass-Ratio Microlens Planet Confirms Turnover in Planet Mass-Ratio Function

A Udalski, YH Ryu, S Sajadian, A Gould, P Mróz… - arXiv preprint arXiv …, 2018 - arxiv.org
We report the discovery of a cold Super-Earth planet (m_p= 4.4+/-0.5 M_Earth) orbiting a
low-mass (M= 0.23+/-0.03 M_Sun) M dwarf at projected separation a_perp= 1.18+/-0.10 AU …

Systematic KMTNet Planetary Anomaly Search. X. Complete Sample of 2017 Prime-field Planets

YH Ryu, A Udalski, JC Yee, W Zang… - The Astronomical …, 2024 - iopscience.iop.org
We complete the analysis of planetary candidates found by the KMT AnomalyFinder for the
2017 prime fields that cover∼ 13 deg 2. We report three unambiguous planets: OGLE-2017 …

KMT-2017-BLG-0165Lb: A Super-Neptune-mass Planet Orbiting a Sun-like Host Star

YK Jung, A Gould, W Zang, KH Hwang… - The Astronomical …, 2019 - iopscience.iop.org
We report the discovery of a low-mass-ratio planet (q= 1.3× 10− 4), ie, 2.5 times higher than
the Neptune/Sun ratio. The planetary system was discovered from the analysis of the KMT …

KMT-2021-BLG-2609Lb and KMT-2022-BLG-0303Lb: Microlensing planets identified through signals produced by major-image perturbations

C Han, MD Albrow, CU Lee, SJ Chung, A Gould… - Astronomy & …, 2024 - aanda.org
Aims. We investigate microlensing data collected by the Korea Microlensing Telescope
Network (KMTNet) survey during the 2021 and 2022 seasons to identify planetary lensing …