Related papers: OGLE-2023-BLG-0836L: The sixth microlensing planet…

MOA-2008-BLG-379Lb: A Massive Planet from a High Magnification Event with a Faint Source

We report analysis of high microlensing event MOA-2008-BLG-379, which has a strong microlensing anomaly at its peak, due to a massive planet with a mass ratio of q = 6.9 x 10^{-3}. Because the faint source star crosses the large resonant…

Earth and Planetary Astrophysics · Physics 2015-06-17 D. Suzuki , A. Udalski , T. Sumi , D. P. Bennett , I. A. Bond , F. Abe , C. S. Botzler , M. Freeman , M. Fukagawa , A. Fukui , K. Furusawa , Y. Itow , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , K. Ohnishi , N. Rattenbury , To. Saito , H. Shibai , D. J. Sullivan , K. Suzuki , W. L. Sweatman , S. Takino , P. J. Tristram , K. Wada , P. C. M. Yock , M. K. Szymański , M. Kubiak , I. Soszyński , G. Pietrzyński , R. Poleski , K. Ulaczyk , Ł. Wyrzykowski

MOA-2016-BLG-227Lb: A Massive Planet Characterized by Combining Lightcurve Analysis and Keck AO Imaging

We report the discovery of a microlensing planet --- MOA-2016-BLG-227Lb --- with a large planet/host mass ratio of $q \simeq 9 \times 10^{-3}$. This event was located near the $K2$ Campaign 9 field that was observed by a large number of…

Earth and Planetary Astrophysics · Physics 2017-06-28 Naoki Koshimoto , Yossi Shvartzvald , David Bennett , Matthew Penny , Markus Hundertmark , Ian A. Bond , Weicheng Zang , Calen Henderson , Daisuke Suzuki , Nicholas J. Rattenbury , Takahiro Sumi , Fumio Abe , Yuichiro Asakura , Aparna Bhattacharya , Akihiko Fukui , Yuki Hirao , Yoshitaka Itow , M. C. A. Li , C. Ling , Kimiaki Masuda , Y. Matsubara , Taro Matsuo , Yasushi Muraki , Masayuki Nagakane , Kouji Ohnishi , C. Ranc , To. Saito , A. Sharan , Hiroshi Shibai , Denis Sullivan , P. Tristram , A. Yonehara , Christopher Gelino , Charles Beichman , Jean-Philippe Beaulieu , J. -B. Marquette , Virginie Batista , M. Friedmann , N. Hallakoun , Shai Kaspi , Dani Maoz , G. Bryden , Sebastiano Calchi Novati , Steve Howell , T. Wang , Shude Mao , Pascal Fouque , Heidi Korhonen , Uffe Jorgensen , Rachel Street , Yiannis Tsapras , Martin Dominik , Eamonn Kerins , Arnaud Cassan , Colin Snodgrass , Etienne Bachelet , Valerio Bozza , D. M. Bramich

MOA-2022-BLG-563Lb, KMT-2023-BLG-0469Lb, and KMT-2023-BLG-0735Lb: Three sub-Jovian-mass microlensing planets

We analyze the anomalies appearing in the light curves of the three microlensing events MOA-2022-BLG-563, KMT-2023-BLG-0469, and KMT-2023-BLG-0735. The anomalies exhibit common short-term dip features that appear near the peak. From the…

Earth and Planetary Astrophysics · Physics 2024-01-23 Cheongho Han , Youn Kil Jung , Ian A. Bond , Andrew Gould , Michael D. Albrow , Sun-Ju Chung , Kyu-Ha Hwang , Chung-Uk Lee , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Hongjing Yang , Jennifer C. Yee , 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 , Richard Barry , David P. Bennett , Aparna Bhattacharya , Hirosame Fujii , Akihiko Fukui , Ryusei Hamada , Yuki Hirao , Stela Ishitani Silva , Yoshitaka Itow , Rintaro Kirikawa , Naoki Koshimoto , Yutaka Matsubara , Shota Miyazaki , Yasushi Muraki , Greg Olmschenk , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Takahiro Sumi , Daisuke Suzuki , Mio Tomoyoshi , Paul J. Tristram , Aikaterini Vandorou , Hibiki Yama , Kansuke Yamashita

OGLE-2009-BLG-092/MOA-2009-BLG-137: A Dramatic Repeating Event With the Second Perturbation Predicted by Real-Time Analysis

We report the result of the analysis of a dramatic repeating gravitational microlensing event OGLE-2009-BLG-092/MOA-2009-BLG-137, for which the light curve is characterized by two distinct peaks with perturbations near both peaks. We find…

Solar and Stellar Astrophysics · Physics 2015-05-19 Y. -H. Ryu , C. Han , K. -H. Hwang , R. Street , A. Udalski , T. Sumi , A. Fukui , J. -P. Beaulieu , A. Gould , M. Dominik , F. Abe , D. P. Bennett , I. A. Bond , C. S. Botzler , K. Furusawa , F. Hayashi , J. B. Hearnshaw , S. Hosaka , Y. Itow , K. Kamiya , P. M. Kilmartin , A. Korpela , W. Lin , C. H. Ling , S. Makita , K. Masuda , Y. Matsubara , N. Miyake , Y. Muraki , K. Nishimoto , K. Ohnishi , Y. C. Perrott , N. Rattenbury , To. Saito , L. Skuljan , D. J. Sullivan , D. Suzuki , W. L. Sweatman , P. J. Tristram , K. Wada , P. C. M. Yock , M. K. Szymański , M. Kubiak , G. Pietrzyński , I. Soszyński , O. Szewczyk , Ł. Wyrzykowski , K. Ulaczyk , M. Bos , G. W. Christie , D. L. Depoy , A. Gal-Yam , B. S. Gaudi , S. Kaspi , C. -U. Lee , D. Maoz , J. McCormick , B. Monard , D. Moorhouse , R. W. Pogge , D. Polishook , Y. Shvartzvald , A. Shporer , G. Thornley , J. C. Yee , M. D. Albrow , V. Batista , S. Brillant , A. Cassan , A. Cole , E. Corrales , Ch. Coutures , S. Dieters , P. Fouqué , J. Greenhill , J. Menzies , A. Allan , D. M. Bramich , P. Browne , K. Horne , N. Kains , C. Snodgrass , I. Steele , Y. Tsapras , V. Bozza , M. J. Burgdorf , S. Calchi Novati , S. Dreizler , F. Finet , M. Glitrup , F. Grundahl , K. Harpsøe , F. V. Hessman , T. C. Hinse , M. Hundertmark , U. G. Jørgensen , C. Liebig , G. Maier , L. Mancini , M. Mathiasen , S. Rahvar , D. Ricci , G. Scarpetta , J. Skottfelt , J. Surdej , J. Southworth , J. Wambsganss , F. Zimmer

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

We present the analysis of a binary microlensing event KMT-2016-BLG-2052, for which the lensing-induced brightening of the source star lasted for 2 seasons. We determine the lens mass from the combined measurements of the microlens parallax…

Solar and Stellar Astrophysics · Physics 2018-09-26 Cheongho Han , Youn Kil Jung , Yossi Shvartzvald , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Doeon Kim , Chung-Uk Lee , Woong-Tae Kim , Hyoun-Woo Kim , Yoon-Hyun Ryu , In-Gu Shin , Jennifer C. Yee , Chun-Hwey Kim , Sang-Mok Cha , Seung-Lee Kim , Dong-Jin Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Charles Beichman , Geoff Bryden , Sebastiano Calchi Novati , B. Scott Gaudi , Calen B. Henderson , Matthew T. P. , Savannah R. Jacklin

OGLE-2018-BLG-1185b : A Low-Mass Microlensing Planet Orbiting a Low-Mass Dwarf

We report the analysis of planetary microlensing event OGLE-2018-BLG-1185, which was observed by a large number of ground-based telescopes and by the $Spitzer$ Space Telescope. The ground-based light curve indicates a low planet-host star…

Earth and Planetary Astrophysics · Physics 2021-08-11 Iona Kondo , Jennifer C. Yee , David P. Bennett , Takahiro Sumi , Naoki Koshimoto , Ian A. Bond , Andrew Gould , Andrzej Udalski , Yossi Shvartzvald , Youn Kil Jung , Weicheng Zang , Valerio Bozza , Etienne Bachelet , Markus P. G. Hundertmark , Nicholas J. Rattenbury , F. Abe , R. Barry , A. Bhattacharya , M. Donachie , A. Fukui , H. Fujii , Y. Hirao , S. Ishitani Silva , Y. Itow , R. Kirikawa , M. C. A. Li , Y. Matsubara , S. Miyazaki , Y. Muraki , G. Olmschenk , C. Ranc , Y. Satoh , H. Shoji , D. Suzuki , Y. Tanaka , P. J. Tristram , T. Yamawaki , A. Yonehara , P. Mróz , R. Poleski , J. Skowron , M. K. Szymański , I. Soszyński , S. Kozłowski , P. Pietrukowicz K. Ulaczyk , K. A. Rybicki , P. Iwanek , M. Wrona , M. D. Albrow , S. -J. Chung , C. Han , K. -H. Hwang , H. -W. Kim , I. -G. Shin , S. -M. Cha , D. -J. Kim , S. -L. Kim , C. -U. Lee , D. -J. Lee , Y. Lee , B. -G. Park , R. W. Pogge , Y. -H. Ryu , C. A. Beichman , G. Bryden , S. Calchi Novati , S. Carey , B. S. Gaudi , C. B. Henderson , W. Zhu , D. Maoz , M. T. Penny , M. Dominik , U. G. Jørgensen , P. Longa-Pe{\~{ n}}a , N. Peixinho , S. Sajadian , J. Skottfelt , C. Snodgrass , J. Tregloan-Reed , M. J. Burgdorf , J. Campbell-White , S. Dib , Y. I. Fujii , T. C. Hinse , E. Khalouei , S. Rahvar , M. Rabus , J. Southworth , Y. Tsapras , R. A. Street , D. M. Bramich , A. Cassan , K. Horne , J. Wambsganss , S. Mao , A. Saha

OGLE-2014-BLG-0319: A Sub-Jupiter-Mass Planetary Event Encountered Degeneracy with Different Mass Ratios and Lens-Source Relative Proper Motions

We report the discovery of a sub-Jovian-mass planet, OGLE-2014-BLG-0319Lb. The characteristics of this planet will be added into a future extended statistical analysis of the Microlensing Observations in Astrophysics (MOA) collaboration.…

Earth and Planetary Astrophysics · Physics 2022-02-16 Shota Miyazaki , Daisuke Suzuki , Andrzej Udalski , Naoki Koshimoto , David P. Bennett , Nicholas J. Rattenbury , Takahiro Sumi , Fumio Abe , Richard K. Barry , Aparna Bhattacharya , Ian A. Bond , Akihiko Fukui , Hirosane Fujii , Yuki Hirao , Stela Silva , Yoshitaka Itow , Rintaro Kirikawa , Iona Kondo , Brandon Munford , Y. Matsubara , Sho Matsumoto , Yasushi Muraki , Arisa Okamura , Greg Olmschenk , Clément Ranc , Yuki K. Satoh , Taiga Toda , P. J. Tristram , Hibiki Yama , A. Yonehara , Radek Poleski , Przemek Mroz , Jan Skowron , Michal Szymanski , Igor Soszynski , Pawel Pietrukowicz , Syzmon Kozlowski , Krzysztof Ulaczyk , Lukasz Wyrzykowski

Confirmation of the Planetary Microlensing Signal and Star and Planet Mass Determinations for Event OGLE-2005-BLG-169

We present Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3) observations of the source and lens stars for planetary microlensing event OGLE-2005-BLG-169, which confirm the relative proper motion prediction due to the planetary light…

Earth and Planetary Astrophysics · Physics 2015-08-03 D. P. Bennett , A. Bhattacharya , J. Anderson , I. A. Bond , N. Anderson , R. Barry , V. Batista , J. -P. Beaulieu , D. L. DePoy , Subo Dong , B. S. Gaudi , E. Gilbert , A. Gould , R. Pfeifle , R. W. Pogge , D. Suzuki , S. Terry , A. Udalski

Candidate Microlensing Brown Dwarfs in Binary Lens Systems from the 2023--2025 Observing Seasons

We present detailed light-curve analyses of ten binary-lens microlensing events observed during the 2023--2025 seasons and selected as candidates for hosting brown-dwarf companions. The sample includes OGLE-2023-BLG-0249, KMT-2023-BLG-1246,…

Solar and Stellar Astrophysics · Physics 2026-04-10 Cheongho Han , Andrzej Udalski , Ian A. Bond , Chung-Uk Lee , 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 , Doeon Kim , Dong-Jin Kim , Seung-Lee Kim , Dong-Joo Lee , Sang-Mok Cha , 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 , Fumio Abe , David P. Bennett , Aparna Bhattacharya , Ryusei Hamada , Yuki Hirao , Asahi Idei , Stela Ishitani Silva , Shuma Makida , Shota Miyazaki , Yasushi Muraki , Tutumi Nagai , Togo Nagano , Seiya Nakayama , Mayu Nishio , Kansuke Nunota , Ryo Ogawa , Ryunosuke Oishi , Yui Okumoto , 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

An ice giant exoplanet interpretation of the anomaly in microlensing event OGLE-2011-BLG-0173

We analyze the microlensing event OGLE-2011-BLG-0173, which shows a small perturbation at the end of the microlensing event caused by the primary lens. We consider both binary lens and binary source models and we explore their degeneracies,…

Earth and Planetary Astrophysics · Physics 2018-08-29 R. Poleski , B. S. Gaudi , A. Udalski , M. K. Szymanski , I. Soszynski , P. Pietrukowicz , S. Kozlowski , J. Skowron , L. Wyrzykowski , K. Ulaczyk

OGLE-2015-BLG-0051/KMT-2015-BLG-0048Lb: a Giant Planet Orbiting a Low-mass Bulge Star Discovered by High-cadence Microlensing Surveys

We report the discovery of an extrasolar planet detected from the combined data of a microlensing event OGLE-2015-BLG-0051/KMT-2015-BLG-0048 acquired by two microlensing surveys. Despite that the short planetary signal occurred in the very…

Earth and Planetary Astrophysics · Physics 2016-10-05 C. Han , A. Udalski , A. Gould , V. Bozza , Y. K. Jung , M. D. Albrow , S. -L. Kim , C. -U. Lee , S. -M. Cha , D. -J. Kim , Y. Lee , B. -G. Park , I. -G. Shin , M. K. Szymański , I. Soszyński , J. Skowron , P. Mróz , R. Poleski , P. Pietrukowicz , S. Kozłowski , K. Ulaczyk , Ł. Wyrzykowski , M. Pawlak

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

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 covered by two high-cadence surveys. The light-curve modeling indicates…

Earth and Planetary Astrophysics · Physics 2021-06-09 Youn Kil Jung , Cheongho Han , Andrzej Udalski , Andrew Gould , Jennifer C. Yee , Michael D. Albrow , Sun-Ju Chung , Kyu-Ha Hwang , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Wei Zhu , Weicheng Zang , Sang-Mok Cha , Dong-Jin Kim , Hyoun-Woo Kim , Seung-Lee Kim , Chung-Uk Lee , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge Przemek Mróz , Michał K. Szymański , Jan Skowron , Radek Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzystof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona

MOA-2015-BLG-337: A Planetary System with a Low-mass Brown Dwarf/Planetary Boundary Host, or a Brown Dwarf Binary

We report the discovery and the analysis of the short timescale binary-lens microlensing event, MOA-2015-BLG-337. The lens system could be a planetary system with a very low mass host, around the brown dwarf/planetary mass boundary, or a…

Earth and Planetary Astrophysics · Physics 2018-09-05 S. Miyazaki , T. Sumi , D. P. Bennett , A. Gould , A. Udalski , I. A. Bond , N. Koshimoto , M. Nagakane , N. Rattenbury , F. Abe , A. Bhattacharya , R. Barry , M. Donachie , A. Fukui , Y. Hirao , Y. Itow , K. Kawasaki , M. C. Li , C. H. Ling , Y. Matsubara , T. Matsuo , Y. Muraki , K. Ohnishi , C. Ranc , T. Saito , A. Sharan , H. Shibai , H. Suematsu , D. Suzuki , D. J. Sullivan , P. J. Tristram , T. Yamada , A. Yonehara , S. owski , P. Mr'oz , M. Pawlak , R. Poleski , P. Pietrukowicz , J. Skowron , I. Soszy'nski , M. K. Szyma'nski , K. Ulaczyk , M. D. Albrow , S. -J. Chung , C. Han , Y. K. Jung , K. -H. Hwang , Y. -H. Ryu , I. -G. Shin , Y. Shvartzvald , J. C. Yee , W. Zang , W. Zhu , S. -M. Cha , D. -J. Kim , H. -W. Kim , S. -L. Kim , C. -U. Lee , D. -J. Lee , Y. Lee , B. -G. Park , R. W. Pogge

OGLE-2015-BLG-1609Lb: Sub-jovian planet orbiting a low-mass stellar or brown dwarf host

We present a comprehensive analysis of a planetary microlensing event OGLE-2015-BLG-1609. The planetary anomaly was detected by two survey telescopes, OGLE and MOA. Each of these surveys collected enough data over the planetary anomaly to…

Earth and Planetary Astrophysics · Physics 2025-06-18 M. J. Mróz , R. Poleski , A. Udalski , T. Sumi , Y. Tsapras , M. Hundertmark , P. Pietrukowicz , M. K. Szymański , J. Skowron , P. Mróz , M. Gromadzki , P. Iwanek , S. Kozłowski , M. Ratajczak , K. A. Rybicki , D. M. Skowron , I. Soszyński , K. Ulaczyk , M. Wrona , F. Abe , K. Bando , D. P. Bennett , A. Bhattacharya , I. A. Bond , A. Fukui , R. Hamada , S. Hamada , N. Hamasaki , Y. Hirao , S. Ishitani Silva , Y. Itow , N. Koshimoto , Y. Matsubara , S. Miyazaki , Y. Muraki , T. Nagai , K. Nunota , G. Olmschenk , C. Ranc , N. J. Rattenbury , Y. Satoh , D. Suzuki , S. K. Terry , P. J. Tristram , A. Vandorou , H. Yama , R. A. Street , E. Bachelet , M. Dominik , A. Cassan , R. Figuera Jaimes , K. Horne , R. Schmidt , C. Snodgrass , J. Wambsganss , I. A. Steele , J. Menzies , U. G. Jørgensen , P. Longa-Peña , N. Peixinho , J. Skottfelt , J. Southworth , M. I. Andersen , V. Bozza , M. J. Burgdorf , G. D'Ago , T. C. Hinse , E. Kerins , H. Korhonen , M. Küffmeier , L. Mancini , M. Rabus , S. Rahvar

OGLE-2012-BLG-0724Lb: A Saturn-mass Planet around an M-dwarf

We report the discovery of a planet by the microlensing method, OGLE-2012-BLG-0724Lb. Although the duration of the planetary signal for this event was one of the shortest seen for a planetary event, the anomaly was well covered thanks to…

Earth and Planetary Astrophysics · Physics 2016-06-29 Y. Hirao , A. Udalski , T. Sumi , D. P. Bennett , I. A. Bond , N. Rattenbury , D. Suzuki , N. Koshimoto , F. Abe , Y. Asakura , A. Bhattacharya , M. Freeman , A. Fukui , Y. Itow , M. C. A. Li , C. H. Ling , K. Masuda , Y. Matsubara , T. Matsuo , Y. Muraki , M. Nagakane , K. Ohnishi , H. Oyokawa , To. Saito , A. Sharan , H. Shibai , D. J. Sullivan , P. J. Tristram , A. Yonehara , R. Poleski , J. Skowron , P. Mróz , M. K. Szymański , S. Kozłowski , P. Pietrukowicz , I. Soszyński , Ł. Wyzykowski , K. Ulaczyk

MOA 2011-BLG-028Lb: a Neptune-mass Microlensing Planet in the Galactic Bulge

We present the discovery of a Neptune-mass planet orbiting a 0.8 +- 0.3 M_Sun star in the Galactic bulge. The planet manifested itself during the microlensing event MOA 2011-BLG-028/OGLE-2011-BLG-0203 as a low-mass companion to the lens…

Earth and Planetary Astrophysics · Physics 2016-03-23 J. Skowron , A. Udalski , R. Poleski , S. Kozłowski , M. K. Szymański , Ł. Wyrzykowski , K. Ulaczyk , P. Pietrukowicz , G. Pietrzyński , I. Soszyński , F. Abe , D. P. Bennett , A. Bhattacharya , I. A. Bond , M. Freeman , A. Fukui , Y. Hirao , Y. Itow , N. Koshimoto , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , M. Nagakane , K. Ohnishi , N. Rattenbury , To. Saito , D. J. Sullivan , T. Sumi , D. Suzuki , P. J. Tristram , A. Yonehara , M. Dominik , U. G. Jørgensen , V. Bozza , K. Harpsøe , M. Hundertmark , J. Skottfelt

Four microlensing giant planets detected through signals produced by minor-image perturbations

We investigated the nature of the anomalies appearing in four microlensing events KMT-2020-BLG-0757, KMT-2022-BLG-0732, KMT-2022-BLG-1787, and KMT-2022-BLG-1852. The light curves of these events commonly exhibit initial bumps followed by…

Earth and Planetary Astrophysics · Physics 2024-06-18 Cheongho Han , Ian A. Bond , 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 , Etienne Bachelet , Paolo Rota , Valerio Bozza , Paweł Zielinski , Rachel A. Street , Yiannis Tsapras , Markus Hundertmark , Joachim Wambsganss , Łukasz Wyrzykowski , Roberto Figuera Jaimes , Arnaud Cassan , Martin Dominik , Krzysztof A. Rybicki , Markus Rabus

KMT-2018-BLG-0029Lb and OGLE-2019-BLG-0960Lb: Mass Measurements for Two Super-Earth Microlensing Planets

KMT-2018-BLG-0029Lb and OGLE-2019-BLG-0960Lb were the lowest mass-ratio microlensing planets at the time of discovery. For both events, microlensing parallax measurements from the Spitzer Space Telescope implied lens systems that were more…

Earth and Planetary Astrophysics · Physics 2025-08-27 Keming Zhang , Sean K. Terry , Joshua S. Bloom , B. Scott Gaudi , Jessica R. Lu

Ogle-2018-blg-0677lb: A super earth near the galactic bulge

We report the analysis of the microlensing event OGLE-2018-BLG-0677. A small feature in the light curve of the event leads to the discovery that the lens is a star-planet system. Although there are two degenerate solutions that could not be…

Earth and Planetary Astrophysics · Physics 2020-05-11 Antonio Herrera-Martín , M. D. Albrow , A. Udalski , A. Gould , Y. -H. Ryu , J. C. Yee , S. -J. Chung , C. Han , K. -H. Hwang , Y. K. Jung , C. -U. Lee , I. -G. Shin , Y. Shvartzvald , W. Zang , S. -M. Cha , D. -J. Kim , H. -W. Kim , S. -L. Kim , D. -J. Lee , Y. Lee , B. -G. Park , R. W. Pogge , M. K. Szymański , P. Mróz , J. Skowron , R. Poleski , I. Soszyński , S. Kozłowski , P. Pietrukowicz , K. Ulaczyk , K. Rybicki , P. Iwanek , M. Wrona

Reanalyses of Anomalous Gravitational Microlensing Events in the OGLE-III Early Warning System Database with Combined Data

We reanalyze microlensing events in the published list of anomalous events that were observed from the OGLE lensing survey conducted during 2004-2008 period. In order to check the existence of possible degenerate solutions and extract extra…

Earth and Planetary Astrophysics · Physics 2015-06-24 J. Jeong , H. Park , C. Han , A. Gould , A. Udalski , M. K. Szymański , G. Pietrzyński , I. Soszyński , R. Poleski , K. Ulaczyk , Ł. Wyrzykowski , F. Abe , D. P. Bennett , I. A. Bond , C. S. Botzler , M. Freeman , A. Fukui , D. Fukunaga , Y. Itow , N. Koshimoto , K. Masuda , Y. Matsubara , Y. Muraki , S. Namba , K. Ohnishi , N. J. Rattenbury , To. Saito , D. J. Sullivan , W. L. Sweatman , T. Sumi , D. Suzuki , P. J. Tristram , N. Tsurumi , K. Wada , N. Yamai , P. C. M. Yock , A. Yonehara , M. D. Albrow , V. Batista , J. -P. Beaulieu , J. A. R. Caldwell , A. Cassan , A. Cole , C. Coutures , S. Dieters , M. Dominik , D. Dominis Prester , J. Donatowicz , P. Fouqué , J. Greenhill , M. Hoffman , M. Huber , U. G. Jørgensen , S. R. Kane , D. Kubas , R. Martin , J. -B. Marquette , J. Menzies , C. Pitrou , K. Pollard , K. C. Sahu , C. Vinter , J. Wambsganss , A. Williams , W. Allen , G. Bolt , J. -Y. Choi , G. W. Christie , D. L. DePoy , J. Drummond , B. S. Gaudi , K. -H. Hwang , Y. K. Jung , C. -U. Lee , F. Mallia , D. Maoz , A. Maury , J. McCormick , L. A. G. Monard , D. Moorhouse , T. Natusch , E. O. Ofek , B. -G. Park , R. W. Pogge , R. Santallo , I. -G. Shin , G. Thornley , J. C. Yee , A. Allan , D. M. Bramich , M. J. Burgdorf , K. Horne , M. Hundertmark , N. Kains , C. Snodgrass , I. Steele , R. Street , Y. Tsapras