List of works by Sang-Mok Cha

A Free-floating or Wide-orbit Planet in the Microlensing Event OGLE-2019-BLG-0551

scientific article published on 14 May 2020

A Terrestrial-mass Rogue Planet Candidate Detected in the Shortest-timescale Microlensing Event

scientific article published on 29 October 2020

An Earth-mass Planet in a Time of Covid-19: KMT-2020-BLG-0414Lb

scientific article published in 2021

Brown dwarf companions in binaries detected from the 2021 season high-cadence microlensing surveys

Brown-dwarf companions in microlensing binaries detected during the 2016--2018 seasons

scientific article published in 2022

Candidate Brown-dwarf Microlensing Events with Very Short Timescales and Small Angular Einstein Radii

scientific article published on 28 February 2020

Design and early performance of IGRINS (Immersion Grating Infrared Spectrometer)

Development of mechanical structure for the compact space IR camera MIRIS

article

Dwarf Galaxy Discoveries from the KMTNet Supernova Program. I. The NGC 2784 Galaxy Group

scientific article published in the Astrophysical Journal

Four microlensing planets with faint-source stars identified in the 2016 and 2017 season data

scientific article published in October 2020

Four sub-Jovian-mass planets detected by high-cadence microlensing surveys

scientific article published in August 2022

Free-Floating Planets, the Einstein Desert, and 'Oumuamua

KMT-2016-BLG-1107: A New Hollywood-planet Close/Wide Degeneracy

scientific article published in Astronomical Journal

KMT-2016-BLG-1397b: KMTNET-only Discovery of a Microlens Giant Planet

scientific article published in Astronomical Journal

KMT-2016-BLG-1820 and KMT-2016-BLG-2142: Two Microlensing Binaries Composed of Planetary-mass Companions and Very-low-mass Primaries

scientific article published in Astronomical Journal

KMT-2016-BLG-1836Lb: A Super-Jovian Planet from a High-cadence Microlensing Field

scientific article published on 11 February 2020

KMT-2016-BLG-2052L: Microlensing Binary Composed of M Dwarfs Revealed from a Very Long Timescale Event

scientific article published in the Astrophysical Journal

KMT-2017-BLG-0673Lb and KMT-2019-BLG-0414Lb: Two microlensing planets detected in peripheral fields of KMTNet survey

scientific article published in 2022

KMT-2017-BLG-2820 and the Nature of the Free-floating Planet Population

KMT-2018-BLG-0029Lb: A Very Low Mass-Ratio Spitzer Microlens Planet

KMT-2018-BLG-0748Lb: Sub-Saturn Microlensing Planet Orbiting an Ultracool Host

KMT-2018-BLG-0748Lb: sub-Saturn microlensing planet orbiting an ultracool host

scientific article published in September 2020

KMT-2018-BLG-1025Lb: microlensing super-Earth planet orbiting a low-mass star

scientific article published in May 2021

KMT-2018-BLG-1292: A Super-Jovian Microlens Planet in the Galactic Plane

scientific article published on 20 January 2020

KMT-2018-BLG-1743: planetary microlensing event occurring on two source stars

scientific article published in August 2021

KMT-2018-BLG-1988Lb: microlensing super-Earth orbiting a low-mass disk dwarf

scientific article published in 2022

KMT-2018-BLG-1990Lb: A Nearby Jovian Planet From A Low-cadence Microlensing Field

scientific article published on 20 September 2019

KMT-2019-BLG-0371 and the Limits of Bayesian Analysis

scientific article published on 15 June 2021

KMT-2019-BLG-0797: Binary-lensing event occurring on a binary stellar system

scientific article

KMT-2019-BLG-0842Lb: A Cold Planet Below the Uranus/Sun Mass Ratio

scientific article published in 2020

KMT-2019-BLG-1339L: an M Dwarf with a Giant Planet or a Companion Near the Planet/Brown Dwarf Boundary

scientific article published in 2020

KMT-2019-BLG-1715: Planetary Microlensing Event with Three Lens Masses and Two Source Stars

scientific article published on 19 May 2021

KMT-2019-BLG-2073: Fourth Free-Floating-Planet Candidate with $θ_\rm E < 10 \rmμas$

KMT-2021-BLG-0171Lb and KMT-2021-BLG-1689Lb: Two Microlensing Planets in the KMTNet High-cadence Fields with Followup Observations

scientific article published on 21 July 2022

KMT-2021-BLG-0240: Microlensing event with a deformed planetary signal

scientific article published in August 2022

KMT-2021-BLG-0322: Severe degeneracy between triple-lens and higher-order binary-lens interpretations

scientific article published in November 2021

KMT-2021-BLG-0912Lb: A microlensing super Earth around a K-type star

scientific article published in 2022

KMT-2021-BLG-1077L: The fifth confirmed multiplanetary system detected by microlensing

scientific article published in June 2022

KMT-2021-BLG-1150Lb: Microlensing planet detected through a densely covered planetary-caustic signal

KMT-2021-BLG-1547Lb: Giant microlensing planet detected through a signal deformed by source binarity

KMT-2021-BLG-1898: Planetary microlensing event involved with binary source stars

scientific article published in July 2022

KMT-2021-BLG-2010Lb, KMT-2022-BLG-0371Lb, and KMT-2022-BLG-1013Lb: Three microlensing planets detected via partially covered signals

scientific article published in 2023

KMT-2022-BLG-0440Lb: A New $q < 10^{-4}$ Microlensing Planet with the Central-Resonant Caustic Degeneracy Broken

KMT-2022-BLG-0475Lb and KMT-2022-BLG-1480Lb: Microlensing ice giants detected via non-caustic-crossing channel

KMT-2023-BLG-1431Lb: A New $q < 10^{-4}$ Microlensing Planet from a Subtle Signature

KMTNet Nearby Galaxy Survey. III. Deficient Hα Flux in the Extended Disks of Spiral Galaxies

scientific article

KMTNet Nearby Galaxy Survey: Overview and Survey Description

scientific article published in 2022

Kepler K2 Campaign 9: II. First space-based discovery of an exoplanet using microlensing

MIRIS: A Compact Wide-field Infrared Space Telescope

scholarly article

MOA-2016-BLG-319Lb: Microlensing Planet Subject to Rare Minor-image Perturbation Degeneracy in Determining Planet Parameters

scientific article published in Astronomical Journal

MOA-2019-BLG-008Lb: A New Microlensing Detection of an Object at the Planet/Brown Dwarf Boundary

scientific article published in 2022

MOA-2020-BLG-208: Cool Sub-Saturn Planet Within Predicted Desert

scientific article published on 24 March 2023

MOA-2022-BLG-249Lb: Nearby microlensing super-Earth planet detected from high-cadence surveys

scientific article published in 2023

Mass Production of 2021 KMTNet Microlensing Planets I

scientific article published in 2022

Mass Production of 2021 KMTNet Microlensing Planets II

scientific article published on 2 February 2023

Mass Production of 2021 KMTNet Microlensing Planets III: Analysis of Three Giant Planets

scientific article published in 2023

OGLE-2015-BLG-1670Lb: A Cold Neptune beyond the Snow Line in the Provisional WFIRST Microlensing Survey Field

scientific article

OGLE-2015-BLG-1771Lb: A Microlens Planet Orbiting an Ultracool Dwarf?

scientific article published on 20 February 2020

OGLE-2016-BLG-0156: Microlensing Event with Pronounced Microlens-parallax Effects Yielding a Precise Lens Mass Measurement

scholarly article

OGLE-2016-BLG-1093Lb: A Sub-Jupiter-mass Spitzer Planet Located in Galactic Bulge

OGLE-2016-BLG-1227L: A Wide-separation Planet from a Very Short-timescale Microlensing Event

scientific article published on 6 February 2020

OGLE-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet Orbiting M-dwarf Host in the Inner Galactic Disk

scientific article published on 23 July 2020

OGLE-2017-BLG-1038: A Possible Brown-dwarf Binary Revealed by Spitzer Microlensing Parallax

scientific article published on 18 August 2022

OGLE-2017-BLG-1049: Another giant planet microlensing event

OGLE-2018-BLG-0022: First Prediction of an Astrometric Microlensing Signal from a Photometric Microlensing Event

OGLE-2018-BLG-0532Lb: Cold Neptune with Possible Jovian Sibling

scientific article published on 25 September 2020

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

OGLE-2018-BLG-0584 and KMT-2018-BLG-2119: Two microlensing events with two lens masses and two source stars

OGLE-2018-BLG-0799Lb: a q∼2.7×10⁻³ planet with Spitzer parallax

scientific article published on 14 June 2022

OGLE-2018-BLG-1011Lb,c: Microlensing Planetary System with Two Giant Planets Orbiting a Low-mass Star

scientific article published on 19 August 2019

OGLE-2018-BLG-1269Lb: A Jovian Planet With A Bright, $I=16$ Host

OGLE-2018-BLG-1428Lb: a Jupiter-mass planet beyond the snow line of a dwarf star

OGLE-2018-BLG-1700L: Microlensing Planet in Binary Stellar System

scientific article published on 13 January 2020

OGLE-2019-BLG-0304: Competing Interpretations between a Planet–binary Model and a Binary-source + Binary-lens Model

scientific article published on 19 October 2021

OGLE-2019-BLG-0362Lb: A super-Jovian-mass planet around a low-mass star

OGLE-2019-BLG-0468Lb,c: two microlensing giant planets around a G-type star

OGLE-2019-BLG-0825: Constraints on the Source System and Effect on Binary-lens Parameters arising from a Five Day Xallarap Effect in a Candidate Planetary Microlensing Event

OGLE-2019-BLG-0960 Lb: the Smallest Microlensing Planet

scientific article published on 6 October 2021

OGLE-2019-BLG-1180Lb: Discovery of a Wide-orbit Jupiter-mass Planet around a Late-type Star ⬇️

scientific article published on 17 November 2023

OGLE-2019-BLG-1470LABc: Another Microlensing Giant Planet in a Binary System?

scientific article published on 18 August 2022

One Planet or Two Planets? The Ultra-sensitive Extreme-magnification Microlensing Event KMT-2019-BLG-1953

scientific article published in 2020

Optical design and performance of MIRIS near-infrared camera

Probable brown dwarf companions detected in binary microlensing events during the 2018-2020 seasons of the KMTNet survey

scientific article published in 'Astronomy & Astrophysics' in July 2023

Shortest Microlensing Event with a Bound Planet: KMT-2016-BLG-2605

scientific article published on 10 August 2021

Spectroscopic Mass and Host-star Metallicity Measurements for Newly Discovered Microlensing Planet OGLE-2018-BLG-0740Lb

Spitzer Microlensing Parallax Reveals Two Isolated Stars in the Galactic Bulge

Spitzer Microlensing Parallax for OGLE-2017-BLG-0896 Reveals a Counter-rotating Low-mass Brown Dwarf

Spitzer Microlensing of MOA-2016-BLG-231L: A Counter-rotating Brown Dwarf Binary in the Galactic Disk

scientific article

System design of the compact IR space imaging system MIRIS

Systematic KMTNet Planetary Anomaly Search, Paper II: Six New $q<2\times 10^{-4}$ Mass-ratio Planets

Systematic KMTNet Planetary Anomaly Search, Paper VII: Complete Sample of $q < 10^{-4}$ Planets from the First Four-Year Survey

scientific article published on 14 February 2023

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

scientific article published on 24 September 2021

Systematic KMTNet Planetary Anomaly Search. IX. Complete Sample of 2016 Prime-Field Planets

Systematic KMTNet Planetary Anomaly Search. VI. Complete Sample of 2018 Sub-Prime-Field Planets

Systematic KMTNet Planetary Anomaly Search. VIII. Complete Sample of 2019 Subprime Field Planets

scientific article published in 2023

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

scientific article published in February 2024

Systematic KMTNet planetary anomaly search

scientific article published in August 2022

Systematic KMTNet planetary anomaly search. IV. Complete sample of 2019 prime-field

scientific article published on 11 July 2022

Systematic Korea Microlensing Telescope Network planetary anomaly search – III. One wide-orbit planet and two stellar binaries

scientific article published on 11 December 2021

Systematic Reanalysis of KMTNet microlensing events, Paper I: Updates of the Photometry Pipeline and a New Planet Candidate

Three faint-source microlensing planets detected via the resonant-caustic channel

scientific article published in November 2021

Three microlensing planets with no caustic-crossing features

scientific article published in June 2021

Two new free-floating or wide-orbit planets from microlensing

scientific article

Using Source Proper Motion to Validate Terrestrial Parallax: OGLE-2019-BLG-1058

scientific article published on 26 November 2021

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