AG
A. Gould
astro-ph.EPastro-ph.GAastro-ph.SRastro-phastro-ph.IMastro-ph.COastro-ph.HEhep-phcond-matcs.AI
On Valency
published · living versionsW_98625dp4·v1 · currentpublished
A Cold Neptune-Mass Planet OGLE-2007-BLG-368Lb: Cold Neptunes Are Common
with T. Sumi, D. P. Bennett, I. A. Bond, A. Udalski +105
1 version
Preprints & journals
460 papers in the corpus · 2002–2026KMT-2026-BLG-0083L: A Two-Jovian-Planet System Orbiting an M Dwarf Discovered by Microlensing2609.12451v1 · Cheongho Han, Chung-Uk Lee, Zhixing Li et al.2026 · 0 citationsarXiv
Path to Black Hole Astrometric Microlensing from 10-Year KMTNet Database2608.26399v1 · Andrew Gould (OSU)2026 · 0 citationsarXiv
Binary-lens Microlensing Degeneracy: Impact on Planetary Sensitivity and Mass-ratio Function2509.16191v3 · Yuxin Shang, Hongjing Yang, Jiyuan Zhang et al.2025 · 2 citationsarXiv
A Minute-Cadence Deep Bulge Survey: First Data Release of DREAMS2605.27364v2 · Hongjing Yang, Weicheng Zang, Francisco Valdes et al.2026 · 0 citationsarXiv
Systematic KMTNet Planetary Anomaly Search. XIII. Complete Sample of 2021 Prime Field Planets2605.17053v2 · In-Gu Shin, Jennifer C. Yee, Weicheng Zang et al.2026 · 0 citationsarXiv
KMT-2025-BLG-0975Lb and KMT-2025-BLG-1160Lb: Two Uranus-Mass Planets Beyond the Snow Line Discovered by Microlensing2607.25259v1 · Cheongho Han, Chung-Uk Lee, Andrzej Udalski et al.2026 · 0 citationsarXiv
KMT-2025-BLG-2093: Free-Floating Planet Candidate Near the Shore of the Einstein Desert2606.27725v2 · Yoon-Hyun Ryu, Andrew Gould, Kyu-Ha Hwang et al.2026 · 0 citationsarXiv
Four Cold Giant Planets Discovered by High-Cadence Microlensing Surveys2607.04594v1 · Cheongho Han, Chung-Uk Lee, Andrzej Udalski et al.2026 · 0 citationsarXiv
General Complex Polynomial Root Solver and Its Further Optimization for Binary Microlenses1203.1034v1 · J. Skowron, A. Gould2012 · 24 citationsarXiv
Four-Body Gravitational Microlensing Events Involving Both a Binary Lens and a Binary Source2605.17654v1 · Cheongho Han, Chung-Uk Lee, Andrzej Udalski et al.2026 · 0 citationsarXiv
Mass Production of 2023 KMTNet Microlensing Planets. III: Three Planets from the Subprime Field2605.07392v1 · Hongyu Li, Zhixing Li, Weicheng Zang et al.2026 · 0 citationsarXiv
Candidate Microlensing Brown Dwarfs in Binary Lens Systems from the 2023--2025 Observing Seasons2604.07932v1 · Cheongho Han, Andrzej Udalski, Ian A. Bond et al.2026 · 1 citationarXiv
Mass Production of 2023 KMTNet Microlensing Planets. II: Two Planets and A Brown Dwarf2603.13887v2 · Zhixing Li, Hongyu Li, Weicheng Zang et al.2026 · 1 citationarXiv
Two Low Mass-Ratio Microlensing Planets and Two Types of Central-Resonant Degeneracy2603.09045v1 · Yuchen Tang, Weicheng Zang, Yoon-Hyun Ryu et al.2026 · 0 citationsarXiv
KMT-2024-BLG-3237: Another Free-Floating Planet Candidate with Angular Einstein Radius Measurement2602.22709v1 · Tanagodchaporn Inyanya, Youn Kil Jung, Hongjing Yang et al.2026 · 1 citationarXiv
Three Saturn-mass Microlensing Planets Identified through Signals from Peripheral-caustic Perturbations2602.16095v1 · Cheongho Han, Chung-Uk Lee, Andrzej Udalski et al.2026 · 0 citationsarXiv
KMT-2016-BLG-1337L: A Saturn-mass planet orbiting within a binary system of low-mass stars2602.12610v1 · Cheongho Han, Chung-Uk Lee, Ian A. Bond et al.2026 · 0 citationsarXiv
Four Cold Super-Jupiters Revealed by Extended and Complex Microlensing Signals2601.13450v1 · Cheongho Han, Chung-Uk Lee, Michael D. Albrow et al.2026 · 1 citationarXiv
"Industrial-Scale" Black Hole Selection without a Satellite2509.05406v1 · Zexuan Wu, Subo Dong, Andrew P. Gould et al.2025 · 1 citationApJ 997 63 (2026)
A free-floating-planet microlensing event caused by a Saturn-mass object2601.00057v1 · Subo Dong, Zexuan Wu, Yoon-Hyun Ryu et al.2025 · 6 citationsarXiv
Towards sub-milliarcsecond astrometric precision using seeing-limited imaging2507.11615v2 · Noam Segev, Eran O. Ofek, Yossi Shvartzvald et al.2025 · 0 citationsarXiv
Six binary brown dwarf candidates identified by microlensing2510.23933v1 · Cheongho Han, Chung-Uk Lee, Ian A. Bond et al.2025 · 0 citationsarXiv
A Comprehensive Analysis of Three Microlensing Planet Candidates with the Planet/Binary Degeneracy2509.18345v1 · Jiyuan Zhang, Weicheng Zang, Yoon-Hyun Ryu et al.2025 · 2 citationsarXiv
Three binary-source binary-lens microlensing events from the 2024 microlensing campaign2509.11495v1 · Cheongho Han, Chung-Uk Lee, Andrzej Udalski et al.2025 · 1 citationarXiv
Six microlensing planets detected via sub-day signals during the 2023 -- 2024 season2509.05522v1 · Cheongho Han, Chung-Uk Lee, Andrzej Udalski et al.2025 · 1 citationarXiv
Four binary microlenses with directly measured masses2508.11079v1 · Cheongho Han, Andrzej Udalski, Chung-Uk Lee et al.2025 · 1 citationarXiv
Observations of Microlensed Images with Dual-field Interferometry: On-sky Demonstration and Prospects2409.12227v2 · P. Mroz, S. Dong, A. Merand et al.2024 · 4 citationsApJ 980, 47 (2025)
KMT-2024-BLG-0404L: A triple microlensing system consisting of a star, a brown dwarf, and a planet2507.07326v1 · Cheongho Han, Andrzej Udalski, Chung-Uk Lee et al.2025 · 1 citationarXiv
KMT-2022-BLG-0086: Another binary-lens binary-source microlensing event2506.20914v1 · Sun-Ju Chung, Kyu-Ha Hwang, Jennifer C. Yee et al.2025 · 1 citationarXiv
Systematic Search for FFPs in KMTNet Full-Frame Images. I. Photometry Pipeline2503.24097v3 · Qiyue Qian, Hongjing Yang, Weicheng Zang et al.2025 · 4 citationsarXiv
MOA-2022-BLG-091Lb and KMT-2024-BLG-1209Lb: Microlensing planets detected through weak caustic-crossing signals2505.22951v1 · Cheongho Han, Chung-Uk Lee, Andrzej Udalski et al.2025 · 2 citationsarXiv
Systematic Reanalysis of KMTNet microlensing events, Paper I: Updates of the Photometry Pipeline and a New Planet Candidate2311.04876v1 · Hongjing Yang, Jennifer C. Yee, Kyu-Ha Hwang et al.2023 · 47 citationsarXiv
Systematic Reanalysis of KMTNet Microlensing Events, Paper II: Two New Planets in Giant-Source Events2503.19471v2 · Hongjing Yang, Jennifer C. Yee, Jiyuan Zhang et al.2025 · 9 citationsarXiv
Systematic KMTNet Planetary Anomaly Search. XII. Complete Sample of 2017 Subprime Field Planets2504.20155v1 · Yuqian Gui, Weicheng Zang, Ruocheng Zhai et al.2025 · 7 citations2024, The Astronomical Journal, Volume 168, Issue 2, id.49, 16 pp
Microlensing events indicate that super-Earth exoplanets are common in Jupiter-like orbits2504.20158v1 · Weicheng Zang, Youn Kil Jung, Jennifer C. Yee et al.2025 · 38 citations2025, Science, Vol 388, Issue 6745, pp. 400-404
Analyses of anomalous lensing events detected from the UKIRT microlensing survey2503.14789v1 · Cheongho Han, Weicheng Zang, Andrzej Udalski et al.2025 · 1 citationarXiv
LensNet: Enhancing Real-time Microlensing Event Discovery with Recurrent Neural Networks in the Korea Microlensing Telescope Network2501.06293v1 · Javier Viana, Kyu-Ha Hwang, Zoe de Beurs et al.2025 · 0 citations2025 AJ
MOA-2022-BLG-033Lb, KMT-2023-BLG-0119Lb, and KMT-2023-BLG-1896Lb: Three low mass-ratio microlensing planets detected through dip signals2501.02193v1 · Cheongho Han, Ian A. Bond, Youn Kil Jung et al.2025 · 9 citationsarXiv
First Resolution of Microlensed Images of a Binary-Lens Event2409.13015v3 · Zexuan Wu, Subo Dong, A. M'erand et al.2024 · 5 citationsAstrophys. j. 977 (2024) 229
KMT-2021-BLG-0284, KMT-2022-BLG-2480, and KMT-2024-BLG-0412: Three microlensing events involving two lens masses and two source stars2411.09096v1 · Cheongho Han, Andrzej Udalski, Ian A. Bond et al.2024 · 4 citationsarXiv
KMT-2024-BLG-1044L: A sub-Uranus microlensing planet around a host at the star-brown dwarf mass boundary2411.05268v1 · Cheongho Han, Yoon-Hyun Ryu, Chung-Uk Lee et al.2024 · 2 citationsarXiv
How Rare are TESS Free-Floating Planets?2405.02279v2 · Hongjing Yang, Weicheng Zang, Tianjun Gan et al.2024 · 5 citationshttps://iopscience.iop.org/article/10.3847/2041-8213/ad6c3c
Microlensing brown-dwarf companions in binaries detected during the 2022 and 2023 seasons2408.11248v1 · Cheongho Han, Ian A. Bond, Andrzej Udalski et al.2024 · 4 citationsarXiv
OGLE-2015-BLG-0845L: A low-mass M dwarf from the microlensing parallax and xallarap effects2404.13031v2 · Zhecheng Hu, Wei Zhu, Andrew Gould et al.2024 · 1 citationarXiv
KMT-2023-BLG-2669: Ninth Free-floating Planet Candidate with $\theta_{\rm E}$ measurements2405.16857v2 · Youn Kil Jung, Kyu-Ha Hwang, Hongjing Yang et al.2024 · 0 citationsarXiv
GEO and LEO: The Final Frontier for Plutonic FFP Parallax2407.21696v1 · Andrew Gould2024 · 0 citationsarXiv
KMT-2021-BLG-2609Lb and KMT-2022-BLG-0303Lb: Microlensing planets identified through signals produced by major-image perturbations2407.17002v1 · Cheongho Han, Michael D. Albrow, Chung-Uk Lee et al.2024 · 6 citationsarXiv
Analysis of the full Spitzer microlensing sample I: Dark remnant candidates and Gaia predictions2407.13740v1 · Krzysztof A. Rybicki, Yossi Shvartzvald, Jennifer C. Yee et al.2024 · 4 citationsarXiv
Four microlensing giant planets detected through signals produced by minor-image perturbations2406.10547v1 · Cheongho Han, Ian A. Bond, Chung-Uk Lee et al.2024 · 6 citationsarXiv
Gaia22dkvLb: A Microlensing Planet Potentially Accessible to Radial-Velocity Characterization2309.03944v2 · Zexuan Wu, Subo Dong, Tuan Yi et al.2023 · 7 citationsarXiv
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