Related papers: KMT-2022-BLG-0086: Another binary-lens binary-sour…

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

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 the caustic crossing due to the proximity of the full Moon…

Earth and Planetary Astrophysics · Physics 2019-01-09 E. Bachelet , V. Bozza , C. Han , A. Udalski , I. A. Bond , J. -P. Beaulieu , R. A. Street , J. -I Kim , D. M. Bramich , A. Cassan , M. Dominik , R. Figuera Jaimes , K. Horne , M. Hundertmark , S. Mao , J. Menzies , C. Ranc , R. Schmidt , C. Snodgrass , I. A. Steele , Y. Tsapras , J. Wambsganss , P. Mróz , I. Soszyński , M. K. Szymański , J. Skowron , P. Pietrukowicz , S. Kozłowski , R. Poleski , K. Ulaczyk , M. Pawlak , F. Abe , R. Barry , D. P. Bennett , A. Bhattacharya , M. Donachie , A. Fukui , Y. Hirao , Y. Itow , K. Kawasaki , I. Kondo , N. Koshimoto , M. Cheung Alex Li , Y. Matsubara , Y. Muraki , S. Miyazaki , M. Nagakane , N. J. Rattenbury , H. Suematsu , D. J. Sullivan , T. Sumi , D. Suzuki , P. J. Tristram , A. Yonehara

OGLE-2017-BLG-0482Lb: A Microlensing Super-Earth Orbiting a Low-mass Host Star

We report the discovery of a planetary system in which a super-earth orbits a late M-dwarf host. The planetary system was found from the analysis of the microlensing event OGLE-2017-BLG-0482, wherein the planet signal appears as a…

Earth and Planetary Astrophysics · Physics 2018-05-02 C. Han , Y. Hirao , A. Udalski , C. -U. Lee , V. Bozza , A. Gould , F. Abe , R. Barry , I. A. Bond , D. P. Bennett , A. Bhattacharya , M. Donachie , P. Evans , A. Fukui , Y. Itow , K. Kawasaki , N. Koshimoto , M. C. A. Li , C. H. Ling , Y. Matsubara , S. Miyazaki , H. Munakata , Y. Muraki , M. Nagakane , K. Ohnishi , C. Ranc , N. Rattenbury , T. Saito , A. Sharan , D. J. Sullivan , T. Sumi , D. Suzuki , P. J. Tristram , T. Yamada , A. Yonehara , P. Mróz , R. Poleski , S. Kozłowski , I. Soszyński , P. Pietrukowicz , J. Skowron , M. K. Szymańsk , K. Ulaczyk , M. Pawlak , K. Rybicki , P. Iwanek , M. D. Albrow , S. -J. Chung , K. -H. Hwang , Y. K. Jung , D. Kim , W. -T. Kim , H. -W. Kim , Y. -H. Ryu , I. -G. Shin , Y. Shvartzvald , J. C. Yee , W. Zhu , S. -M. Cha , S. -L. Kim , D. -J. Kim , D. -J. Lee , Y. Lee , B. -G. Park , R. W. Pogge

A New Non-Planetary Interpretation of the Microlensing Event OGLE-2013-BLG-0723

Recently, the discovery of a Venus-mass planet orbiting a brown-dwarf host in a binary system was reported from the analysis of the microlensing event OGLE-2013-BLG-0723. We reanalyze the event considering the possibility of other…

Earth and Planetary Astrophysics · Physics 2016-07-06 Cheongho Han , David P. Bennett , Andrzej Udalski , Youn Kil Jung

MACHO 96-LMC-2: Lensing of a Binary Source in the LMC and Constraints on the Lensing Object

We present photometry and analysis of the microlensing alert MACHO 96-LMC-2. The ~3% photometry provided by the Global Microlensing Alert Network follow--up effort reveals a periodic modulation in the lightcurve. We attribute this to…

Astrophysics · Physics 2009-10-31 C. Alcock , R. A. Allsman , D. R. Alves , T. S. Axelrod , A. C. Becker , D. P. Bennett , K. H. Cook , A. J. Drake , K. C. Freeman , M. Geha , K. Griest , M. J. Lehner , S. L. Marshall , D. Minniti , C. A. Nelson , B. A. Peterson , P. Popowski , M. R. Pratt , P. J. Quinn , C. W. Stubbs , W. Sutherland , A. B. Tomaney , T. Vandehei , D. Welch

OGLE-2018-BLG-0022: A Nearby M-dwarf Binary

We report observations of the binary microlensing event OGLE-2018-BLG-0022, provided by the ROME/REA Survey, which indicate that the lens is a low-mass binary star consisting of M3 (0.375+/-0.020 Msun) and M7 (0.098+/-0.005 Msun)…

Earth and Planetary Astrophysics · Physics 2019-05-15 R. A. Street , E. Bachelet , Y. Tsapras , M. P. G. Hundertmark , V. Bozza , M. Dominik , D. M. Bramich , A. Cassan , K. Horne , S. Mao , A. Saha , J. Wambsganss , Weicheng Zang , U. G. Jorgensen , P. Longa-Pena , N. Peixinho , S. Sajadian , M. J. Burgdorf , J. Campbell-White , S. Dib , D. F. Evans , Y. I. Fujii , T. C. Hinse , E. Khalouei , S. Lowry , S. Rahvar , M. Rabus , J. Skottfelt , C. Snodgrass , J. Southworth , J. Tregloan-Reed

Six binary brown dwarf candidates identified by microlensing

In this study, we analyze microlensing events from the 2023 and 2024 observing seasons to identify cases likely caused by binary systems composed of BDs. By applying criteria that the binary-lens events exhibit well-resolved caustics, short…

Solar and Stellar Astrophysics · Physics 2025-10-29 Cheongho Han , Chung-Uk Lee , Ian A. Bond , Andrzej Udalski , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Youn Kil Jung , Kyu-Ha Hwang , Yoon-Hyun Ryu , Yossi Shvartzvald , In-Gu Shin , Jennifer C. Yee , Weicheng Zang , Hongjing Yang , Sang-Mok Cha , Doeon Kim , Dong-Jin Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Przemek Mróz , Michał K. Szymański , Jan Skowron , Radosław Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof A. Rybicki , Patryk Iwanek , Krzysztof Ulaczyk , Marcin Wrona , Mariusz Gromadzki , Mateusz J. Mróz Michał Jaroszyński , Marcin Kiraga , Fumio Abe , David P. Bennett , Aparna Bhattacharya , Akihiko Fukui , Ryusei Hamada , Stela Ishitani Silva , Yuki Hirao , Asahi Idei , Shota Miyazaki , Yasushi Muraki , Tutumi Nagai , Kansuke Nunota , Greg Olmschenk , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Takahiro Sumi , Daisuke Suzuki , Takuto Tamaoki , Sean K. Terry , Paul J. Tristram , Aikaterini Vandorou , Hibiki Yama

KMT-2023-BLG-1866Lb: Microlensing super-Earth around an M dwarf host

We investigate the nature of the short-term anomaly that appears in the lensing light curve of KMT-2023-BLG-1866. The anomaly was only partly covered due to its short duration, less than a day, coupled with cloudy weather conditions and…

Earth and Planetary Astrophysics · Physics 2024-05-14 Cheongho Han , Ian A. Bond , Andrzej Udalski , Chung-Uk Lee , Andrew Gould , Michael D. Albrow , Sun-Ju Chung , Kyu-Ha Hwang , Youn Kil Jung , Yoon-Hyun Ryu , Yossi Shvartzvald , In-Gu Shin , Jennifer C. Yee , Hongjing Yang , Weicheng Zang , Sang-Mok Cha , Doeon Kim , Dong-Jin Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Fumio Abe , Ken Bando , Richard Barry , David P. Bennett , Aparna Bhattacharya , Hirosame Fujii , Akihiko Fukui , Ryusei Hamada , Shunya Hamada , Naoto Hamasaki , Yuki Hirao , Stela Ishitani Silva , Yoshitaka Itow , Rintaro Kirikawa , Naoki Koshimoto , Yutaka Matsubara , Shota Miyazaki , Yasushi Muraki , Tutumi Nagai , Kansuke Nunota , Greg Olmschenk , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Takahiro Sumi , Daisuke Suzuki , Mio Tomoyoshi , Paul J. Tristram , Aikaterini Vandorou , Hibiki Yama , Kansuke Yamashita , Przemek Mróz , Michał K. Szymański , Jan Skowron , Radosław Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof A. Rybicki , Patryk Iwanek , Krzysztof Ulaczyk , Marcin Wrona , Mariusz Gromadzki , Mateusz J. Mróz

Full characterization of binary-lens event OGLE-2002-BLG-069 from PLANET observations

We analyze the photometric data obtained by PLANET and OGLE on the caustic-crossing binary-lens microlensing event OGLE-2002-BLG-069. Thanks to the excellent photometric and spectroscopic coverage of the event, we are able to constrain the…

Astrophysics · Physics 2009-11-10 D. Kubas , A. Cassan , J. P. Beaulieu , C. Coutures , M. Dominik , M. D. Albrow , S. Brillant , J. A. R. Caldwell , D. Dominis , J. Donatowicz , P. Fouque , U. G. Jorgensen , J. Greenhill , K. Hill , K. Horne , S. Kane , J. B. Marquette , R. Martin , J. Menzies , K. R. Pollard , K. C. Sahu , C. Vinter , J. Wambsganss , R. Watson , A. Williams , C. Fendt , J. Heinmueller , C. Thurl

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

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 in Shvartzvald+2016. The event suffers from the well-known…

Earth and Planetary Astrophysics · Physics 2020-02-05 Shota Miyazaki , Takahiro Sumi , David P. Bennett , Andrzej Udalski , Yossi Shvartzvald , Rachel Street , Valerio Bozza , Jennifer C. Yee , Ian A. Bond , Nicholas Rattenbury , Naoki Koshimoto , Daisuke Suzuki , Akihiko Fukui , F. Abe , A. Bhattacharya , R. Barry , M. Donachie , H. Fujii , Y. Hirao , Y. Itow , Y. Kamei , I. Kondo , M. C. A. Li , C. H. Ling , Y. Matsubara , T. Matsuo , Y. Muraki , M. Nagakane , K. Ohnishi , C. Ranc , T. Saito , A. Sharan , H. Shibai , H. Suematsu , D. J. Sullivan , P. J. Tristram , T. Yamakawa , A. Yonehara , J. Skowron , R. Poleski , P. Mr'oz , M. K. Szyma'nski , I. Soszy'nski , P. Pietrukowicz , S. KozLowski , K. Ulaczyk , L. Wyrzykowski , Matan Friedmann , Shai Kaspi , Dan Maoz , M. Albrow , G. Christie , D. L. DePoy , A. Gal-Yam , A. Gould , C. -U. Lee , I. Manulis , J. McCormick , T. Natusch , H. Ngan , R. W. Pogge , I. Porritt , Y. Tsapras , E. Bachelet , M. P. G. Hundertmark , M. Dominik , D. M. Bramich , A. Cassan , R. Figuera Jaimes , K. Horne , R. Schmidt , C. Snodgrass , J. Wambsganss , I. A. Steele , J. Menzies , S. Mao , U. G. Jorgensen , M. J. Burgdorf , S. Ciceri , S. Calchi Novati , G. D'Ago , D. F. Evans , T. C. Hinse , N. Kains , E. Kerins , H. Korhonen , L. Mancini , A. Popovas , M. Rabus , S. Rahvar , G. Scarpetta , J. Skottfelt , J. Southworth , G. D'Ago , N. Peixinho , P. Verma

OGLE 2003-BLG-235/MOA 2003-BLG-53: A planetary microlensing event

We present observations of the unusual microlensing event OGLE 2003-BLG-235/MOA 2003-BLG-53. In this event a short duration (~7 days) low amplitude deviation in the light curve due a single lens profile was observed in both the MOA and OGLE…

Astrophysics · Physics 2009-11-10 I. A. Bond , A. Udalski , M. Jaroszynski , N. J. Rattenbury , B. Paczynski , I. Soszynski , L. Wyrzykowski , M. K. Szymanski , M. Kubiak , O. Szewczyk , K. Zebrun , G. Pietrzynski , F. Abe , D. P. Bennett , S. Eguchi , Y. Furuta , J. B. Hearnshaw , K. Kamiya , P. M. Kilmartin , Y. Kurata , K. Masuda , Y. Matsubara , Y. Muraki , S. Noda , K. Okajima , T. Sako , T. Sekiguchi , D. J. Sullivan , T. Sumi , P. J. Tristram , T. Yanagisawa , P. C. M. Yock

Characterizing Lenses and Lensed Stars of High-Magnification Single-lens Gravitational Microlensing Events With Lenses Passing Over Source Stars

We present the analysis of the light curves of 9 high-magnification single-lens gravitational microlensing events with lenses passing over source stars, including OGLE-2004-BLG-254, MOA-2007-BLG-176, MOA-2007-BLG-233/OGLE-2007-BLG-302,…

Solar and Stellar Astrophysics · Physics 2015-06-03 J. -Y. Choi , I. -G. Shin , S. -Y. Park , C. Han , A. Gould , T. Sumi , A. Udalski , J. -P. Beaulieu , R. Street , M. Dominik , W. Allen , L. A. Almeida , M. Bos , G. W. Christie , D. L. Depoy , S. Dong , J. Drummond , A. Gal-Yam , B. S. Gaudi , C. B. Henderson , L. -W. Hung , F. Jablonski , J. Janczak , C. -U. Lee , F. Mallia , A. Maury , J. McCormick , D. McGregor , L. A. G. Monard , D. Moorhouse , J. A. Muñoz , T. Natusch , C. Nelson , B. -G. Park , R. W. Pogge , T. -G. "TG" Tan , G. Thornley , J. C. Yee , F. Abe , E. Barnard , J. Baudry , D. P. Bennett , I. A. Bond , C. S. Botzler , M. Freeman , A. Fukui , K. Furusawa , F. Hayashi , J. B. Hearnshaw , S. Hosaka , Y. Itow , K. Kamiya , P. M. Kilmartin , S. Kobara , A. Korpela , W. Lin , C. H. Ling , S. Makita , K. Masuda , Y. Matsubara , N. Miyake , Y. Muraki , M. Nagaya , K. Nishimoto , K. Ohnishi , T. Okumura , K. Omori , Y. C. Perrott , N. Rattenbury , To. Saito , L. Skuljan , D. J. Sullivan , D. Suzuki , K. Suzuki , W. L. Sweatman , S. Takino , P. J. Tristram , K. Wada , P. C. M. Yock , M. K. Szymański , M. Kubiak , G. Pietrzyński , I. Soszyński , R. Poleski , K. Ulaczyk , Ł. Wyrzykowski , S. Kozłowski , P. Pietrukowicz , M. D. Albrow , E. Bachelet , V. Batista , C. S. Bennett , R. Bowens-Rubin , S. Brillant , A. Cassan , A. Cole , E. Corrales , Ch. Coutures , S. Dieters , D. Dominis Prester , J. Donatowicz , P. Fouqué , J. Greenhill , S. R. Kane , J. Menzies , K. C. Sahu , J. Wambsganss , A. Williams , M. Zub , A. Allan , D. M. Bramich , P. Browne , N. Clay , S. Fraser , K. Horne , N. Kains , C. Mottram , C. Snodgrass , I. Steele , Y. Tsapras , K. A. Alsubai , V. Bozza , M. J. Burgdorf , S. Calchi Novati , P. Dodds , S. Dreizler , F. Finet , T. Gerner , M. Glitrup , F. Grundahl , S. Hardis , K. Harpsøe , T. C. Hinse , M. Hundertmark , U. G. Jørgensen , E. Kerins , C. Liebig , G. Maier , L. Mancini , M. Mathiasen , M. T. Penny , S. Proft , S. Rahvar , D. Ricci , G. Scarpetta , S. Schäfer , F. Schönebeck , J. Skottfelt , J. Surdej , J. Southworth , F. Zimmer

A Brown Dwarf Microlens Candidate in the OGLE-II Database

We describe a unique mass determination for a microlensing event from the second phase of the Optical Gravitational Microlensing Experiment (OGLE-II). The event, sc26_2218, which is very bright (baseline magnitude I=15.10), appears to…

Astrophysics · Physics 2007-05-23 M. C. Smith , S. Mao , P. R. Wozniak

The second multiple-planet system discovered by microlensing: OGLE-2012-BLG-0026Lb, c, a pair of jovian planets beyond the snow line

We report the discovery of a planetary system from observation of the high-magnification microlensing event OGLE-2012-BLG-0026. The lensing light curve exhibits a complex central perturbation with multiple features. We find that the…

Earth and Planetary Astrophysics · Physics 2015-06-11 C. Han , A. Udalski , J. -Y. Choi , J. C. Yee , A. Gould , G. Christie , T. -G. Tan , M. K. Szymański , M. Kubiak , I. Soszyński , G. Pietrzyński , R. Poleski , K. Ulaczyk , P. Pietrukowicz , S. Kozłowski , J. Skowron , Ł. Wyrzykowski , L. A. Almeida , V. Batista , D. L. Depoy , Subo Dong , J. Drummond , B. S. Gaudi , K. -H. Hwang , F. Jablonski , Y. -K. Jung , C. -U. Lee , J. -R. Koo , J. McCormick , L. A. G. Monard , T. Natusch , H. Ngan , H. Park , R. W. Pogge , Ian Porritt , I. -G. Shin

OGLE-2014-BLG-0962 and the First Statistical Validation of Bayesian Priors for Galactic Microlensing

OGLE-2014-BLG-0962 (OB140962) is a stellar binary microlensing event that was well-covered by observations from the Spitzer satellite as well as ground-based surveys. Modelling yields a unique physical solution: a mid-M+M-dwarf binary with…

Solar and Stellar Astrophysics · Physics 2018-05-25 Yutong Shan , Jennifer C. Yee , Andrzej Udalski , Ian A. Bond , Yossi Shvartzvald , In-Gu Shin , Youn-Kil Jung , Sebastiano Calchi Novati , Charles A. Beichman , Sean Carey , B. Scott Gaudi , Andrew Gould , Richard W. Pogge , Radosław Poleski , Jan Skowron , Szymon Kozłowski , Przemysław Mróz , Paweł Pietrukowicz , Michał K. Szymański , Igor Soszyński , Krzysztof Ulaczyk , Łukasz Wyrzykowski , Fumio Abe , Richard K. Barry , David P. Bennett , Aparna Bhattacharya , Martin Donachie , Akihiko Fukui , Yuki Hirao , Yoshitaka Itow , Kohei Kawasaki , Iona Kondo , Naoki Koshimoto , Man Cheung Alex Li , Yutaka Matsubara , Yasushi Muraki , Shota Miyazaki , Masayuki Nagakane , Clément Ranc , Nicholas J. Rattenbury , Haruno Suematsu , Denis J. Sullivan , Takahiro Sumi , Daisuke Suzuki , Paul J. Tristram , Atsunori Yonehara , Dan Maoz , Shai Kaspi , Matan Friedmann

Interpretation of a Short-Term Anomaly in the Gravitational Microlensing Event MOA-2012-BLG-486

A planetary microlensing signal is generally characterized by a short-term perturbation to the standard single lensing light curve. A subset of binary-source events can produce perturbations that mimic planetary signals, thereby introducing…

Solar and Stellar Astrophysics · Physics 2015-06-17 K. -H. Hwang , J. -Y. Choi , I. A. Bond , T. Sumi , C. Han , B. S. Gaudi , A. Gould , V. Bozza , J. -P. Beaulieu , Y. Tsapras , F. Abe , D. P. Bennett , C. S. Botzler , P. Chote , M. Freeman , A. Fukui , D. Fukunaga , P. Harris , Y. Itow , N. Koshimoto , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , S. Namba , K. Ohnishi , N. J. Rattenbury , To. Saito , D. J. Sullivan , W. L. Sweatman , D. Suzuki , P. J. Tristram , K. Wada , N. Yamai , P. C. M. Yock , A. Yonehara , L. Andrade de Almeida , D. L. DePoy , Subo Dong , F. Jablonski , Y. K. Jung , A. Kavka , C. -U. Lee , H. Park , R. W. Pogge , I. -G. Shin , J. C. Yee , M. D. Albrow , E. Bachelet , V. Batista , S. Brillant , J. A. R. Caldwell , A. Cassan , A. Cole , E. Corrales , Ch. Coutures , S. Dieters , D. Dominis Prester , J. Donatowicz , P. Fouqué , J. Greenhill , U. G. Jørgensen , S. R. Kane , D. Kubas , J. -B. Marquette , R. Martin , P. Meintjes , J. Menzies , K. R. Pollard , A. Williams , D. Wouters , D. M. Bramich , M. Dominik , K. Horne , P. Browne , M. Hundertmark , S. Ipatov , N. Kains , C. Snodgrass , I. A. Steele , R. A. Street

Two Stars Two Ways: Confirming a Microlensing Binary Lens Solution with a Spectroscopic Measurement of the Orbit

Light curves of microlensing events involving stellar binaries and planetary systems can provide information about the orbital elements of the system due to orbital modulations of the caustic structure. Accurately measuring the orbit in…

Solar and Stellar Astrophysics · Physics 2016-04-27 Jennifer C. Yee , John Asher Johnson , Jan Skowron , Andrew Gould , J. Sebastian Pineda , Jason Eastman , Andrew Vanderburg , Andrew Howard

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

With the aim of interpreting anomalous lensing events with no suggested models, we conducted a project of reinvestigating microlensing data in and before the 2019 season. In this work, we report a multi-planet system OGLE-2019-BLG-0468L…

Earth and Planetary Astrophysics · Physics 2022-02-16 Cheongho Han , Andrzej Udalski , Chung-Uk Lee , Doeon Kim , Wei Zhu , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Youn Kil Jung , Hyoun-Woo Kim , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Jennifer C. Yee , Weicheng Zang , Sang-Mok Cha , Dong-Jin Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Chun-Hwey Kim , Woong-Tae Kim , Przemek Mróz , Michał K. Szymański , Jan Skowron , Radosław Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof A. Rybicki , Patryk Iwanek , Krzysztof Ulaczyk , Marcin Wrona , Mariusz Gromadzki , David Buckley , Subo Dong , Ali Luo

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

We announce the discovery of a microlensing planetary system, in which a sub-Saturn planet is orbiting an ultracool dwarf host. We detect the planetary system by analyzing the short-timescale ($t_{\rm E}\sim 4.4$~days) lensing event…

Earth and Planetary Astrophysics · Physics 2020-07-13 Cheongho Han , In-Gu Shin , Youn Kil Jung , Doeon Kim , Jennifer C. Yee , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Chung-Uk Lee , Yoon-Hyun Ryu , Yossi Shvartzvald , Weicheng Zang , Sang-Mok Cha , Dong-Jin Kim , Hyoun-Woo Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge

Spitzer + VLTI-GRAVITY Measure the Lens Mass of a Nearby Microlensing Event

We report the lens mass and distance measurements of the nearby microlensing event TCP J05074264+2447555. We measure the microlens parallax vector ${\pi}_{\rm E}$ using Spitzer and ground-based light curves with constraints on the direction…

Instrumentation and Methods for Astrophysics · Physics 2020-07-22 Weicheng Zang , Subo Dong , Andrew Gould , Sebastiano Calchi Novati , Ping Chen , Hongjing Yang , Shun-Sheng Li , Shude Mao , K. B. Alton , Sean Carey , G. W. Christie , F. Delplancke-Ströbele , Dax L. Feliz , J. Green , Shaoming Hu , T. Jayasinghe , R. A. Koff , A. Kurtenkov , A. Mérand , Milen Minev , Robert Mutel , T. Natusch , Tyler Roth , Yossi Shvartzvald , Fengwu Sun , T. Vanmunster , Wei Zhu

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

We investigate microlensing data collected by the Korea Microlensing Telescope Network (KMTNet) survey. Our investigation reveals that the light curves of two lensing events, KMT-2021-BLG-2609 and KMT-2022-BLG-0303, exhibit a similar…

Earth and Planetary Astrophysics · Physics 2024-07-25 Cheongho Han , Michael D. Albrow , Chung-Uk Lee , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Youn Kil Jung , Chung-Uk Lee , Yoon-Hyun Ryu , Yossi Shvartzvald , In-Gu Shin , Jennifer C. Yee , Hongjing Yang , Weicheng Zang , Sang-Mok Cha , Doeon Kim , Dong-Jin Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge