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19992026
most citedUnbound or Distant Planetary Mass Population Detected by Gravitational Microlensing

522 citations · 1.9k across the 53 of their papers we have counts for

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astro-ph.EP2026

Mass Production of 2023 KMTNet Microlensing Planets I: Low Mass Ratio

Yoon-Hyun Ryu, Andrzej Udalski, Hongjing Yang +34

We initiate the systematic search for planets in the 2023 data of the Korea Microlensing Telescope Network (KMTNet), focusing on those planets found by the KMTNet AnomalyFinder wit…

astro-ph.EP2025★ 6 cited

A free-floating-planet microlensing event caused by a Saturn-mass object

Subo Dong, Zexuan Wu, Yoon-Hyun Ryu +39

A population of free-floating planets is known from gravitational microlensing surveys. None have a directly measured mass, owing to a degeneracy with the distance, but the populat…

astro-ph.EP2025★ 3 cited

HST pre-imaging of a free-floating planet candidate microlensing event

Mateusz Kapusta, Przemek Mroz, Yoon-Hyun Ryu +33

High-cadence microlensing observations uncovered a population of very short-timescale microlensing events, which are believed to be caused by the population of free-floating planet…

astro-ph.EP2025★ 38 cited

Microlensing events indicate that super-Earth exoplanets are common in Jupiter-like orbits

Weicheng Zang, Youn Kil Jung, Jennifer C. Yee +65

Exoplanets classified as super-Earths are commonly observed on short period orbits, close to their host stars, but their abundance on wider orbits is poorly constrained. Gravitatio…

astro-ph.EP2025★ 7 cited

Systematic KMTNet Planetary Anomaly Search. XII. Complete Sample of 2017 Subprime Field Planets

Yuqian Gui, Weicheng Zang, Ruocheng Zhai +39

We report the analysis of four unambiguous planets and one possible planet from the subprime fields () of the 2017 Korea Microlensing Telescope Network (KMTN…

astro-ph.EP2023

KMT-2023-BLG-1431Lb: A New Microlensing Planet from a Subtle Signature

Aislyn Bell, Jiyuan Zhang, Youn Kil Jung +70

The current studies of microlensing planets are limited by small number statistics. Follow-up observations of high-magnification microlensing events can efficiently form a statisti…

astro-ph.EP2023★ 1 cited

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

Yoon-Hyun Ryu, Andrzej Udalski, Jennifer C. Yee +38

We complete the analysis of planetary candidates found by the KMT AnomalyFinder for the 2017 prime fields that cover . We report 3 unambiguous planets: OGLE-2…

astro-ph.EP2023

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

Yuki K. Satoh, Naoki Koshimoto, David P. Bennett +86

We present an analysis of microlensing event OGLE-2019-BLG-0825. This event was identified as a planetary candidate by preliminary modeling. We find that significant residuals from…

astro-ph.EP2023

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

In-Gu Shin, Jennifer C. Yee, Weicheng Zang +58

As a part of the ``Systematic KMTNet Planetary Anomaly Search" series, we report five new planets (namely, OGLE-2016-BLG-1635Lb, MOA-2016-BLG-532Lb, KMT-2016-BLG-0625Lb, OGLE-2016-…

astro-ph.EP2020★ 18 cited

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

Yuki Hirao, David P. Bennett, Yoon-Hyun Ryu +93

We report the discovery and analysis of the planetary microlensing event OGLE-2017-BLG-0406, which was observed both from the ground and by the satellite in a solar…

astro-ph.EP2019★ 11 cited

OGLE-2013-BLG-0911Lb: A Secondary on the Brown-Dwarf Planet Boundary around an M-dwarf

Shota Miyazaki, Takahiro Sumi, David P. Bennett +92

We present the analysis of the binary-lens microlensing event OGLE-2013-BLG-0911. The best-fit solutions indicate the binary mass ratio of q~0.03 which differs from that reported i…

astro-ph.EP2019★ 3 cited

OGLE-2015-BLG-1649Lb: A gas giant planet around a low-mass dwarf

Masayuki Nagakane, Chien-Hsiu Lee, Naoki Koshimoto +66

We report the discovery of an exoplanet in microlensing event OGLE-2015-BLG-1649. The planet/host-star mass ratio is and the projected separation normalized…

astro-ph.EP2019★ 13 cited

MOA-bin-29b : A Microlensing Gas Giant Planet Orbiting a Low-mass Host Star

Iona Kondo, Takahiro Sumi, David P. Bennett +32

We report the discovery of a gas giant planet orbiting a low-mass host star in the microlensing event MOA-bin-29 that occurred in 2006. We find five degenerate solutions with the p…

astro-ph.EP2018★ 12 cited

First assessment of the binary lens OGLE-2015_BLG-0232

E. Bachelet, V. Bozza, C. Han +51

We present an analysis of the microlensing event OGLE-2015-BLG-0232. This event is challenging to characterize for two reasons. First, the light curve is not well sampled during th…

astro-ph.EP2017★ 21 cited

A companion on the planet/brown dwarf mass boundary on a wide orbit discovered by gravitational microlensing

R. Poleski, A. Udalski, I. A. Bond +40

We present the discovery of a substellar companion to the primary host lens in the microlensing event MOA-2012-BLG-006. The companion-to-host mass ratio is 0.016, corresponding to…

astro-ph.EP2016★ 17 cited

Discovery of a Gas giant Planet in Microlensing Event OGLE-2014-BLG-1760

A. Bhattacharya, D. P. Bennett, I. A. Bond +41

We present the analysis of the planetary microlensing event OGLE-2014-BLG-1760, which shows a strong light curve signal due to the presence of a Jupiter mass-ratio planet. One unus…

astro-ph.EP2015★ 20 cited

MOA-2010-BLG-353Lb A Possible Saturn Revealed

N. J. Rattenbury, D. P. Bennett, T. Sumi +30

We report the discovery of a possible planet in microlensing event MOA-2010-BLG-353. This event was only recognised as having a planetary signal after the microlensing event had fi…

astro-ph.EP2012★ 19 cited

A possible binary system of a stellar remnant in the high magnification gravitational microlensing event OGLE-2007-BLG-514

N. Miyake, A. Udalski, T. Sumi +78

We report the extremely high magnification (A > 1000) binary microlensing event OGLE-2007-BLG-514. We obtained good coverage around the double peak structure in the light curve via…

astro-ph.EP2012★ 25 cited

OGLE-2008-BLG-510: first automated real-time detection of a weak microlensing anomaly - brown dwarf or stellar binary?

V. Bozza, M. Dominik, N. J. Rattenbury +103

The microlensing event OGLE-2008-BLG-510 is characterised by an evident asymmetric shape of the peak, promptly detected by the ARTEMiS system in real time. The skewness of the ligh…

astro-ph.EP2011★ 522 cited

Unbound or Distant Planetary Mass Population Detected by Gravitational Microlensing

T. Sumi, K. Kamiya, A. Udalski +36

Since 1995, more than 500 exoplanets have been detected using different techniques, of which 11 were detected with gravitational microlensing. Most of these are gravitationally bou…

astro-ph.EP2009★ 4 cited

Interpretation of Strong Short-Term Central Perturbations in the Light Curves of Moderate-Magnification Microlensing Events

C. Han, K. -H. Hwang, D. Kim +87

To improve the planet detection efficiency, current planetary microlensing experiments are focused on high-magnification events searching for planetary signals near the peak of len…