Related papers: OGLE-2019-BLG-0304: Competing Interpretations betw…

OGLE-2016-BLG-1003: First Resolved Caustic-crossing Binary-source Event Discovered by Second-generation Microlensing Surveys

We report the analysis of the first resolved caustic-crossing binary-source microlensing event OGLE-2016-BLG-1003. The event is densely covered by the round-the-clock observations of three surveys. The light curve is characterized by two…

Solar and Stellar Astrophysics · Physics 2017-05-31 Y. K. Jung , A. Udalski , I. A. Bond , J. C. Yee , A. Gould , C. Han , M. D. Albrow , C. -U. Lee , S. -L. Kim , K. -H. Hwang , S. -J. Chung , Y. -H. Ryu , I. -G. Shin , W. Zhu , S. -M. Cha , D. -J. Kim , Y. Lee , B. -G. Park , R. W. Pogge , J. Skowron , M. K. Szymanski , R. Poleski , P. Mroz , S. Kozlowski , P. Pietrukowicz , I. Soszynski , K. Ulaczyk , M. Pawlak , F. Abe , D. P. Bennett , R. Barry , T. Sumi , Y. Asakura , A. Bhattacharya , M. Donachie , A. Fukui , Y. Hirao , Y. Itow , N. Koshimoto , M. C. A. Li , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , M. Nagakane , N. J. Rattenbury , P. Evans , A. Sharan , D. J. Sullivan , D. Suzuki , P. J. Tristram , T. Yamada , T. Yamada , A. Yonehara

MagAO observations of the binary microlens OGLE-2014-BLG-1050 prefer the higher-mass solution

We report adaptive-optics (AO) follow-up imaging of OGLE-2014-BLG-1050, which is the second binary microlensing event with space-based parallax measurements. The degeneracy in microlens parallax pi_E led to two sets of solutions, either a…

Solar and Stellar Astrophysics · Physics 2021-12-16 Xiaojia Xie , Subo Dong , Wei Zhu , A. Gould , A. Udalski , J. -P. Beaulieu , L. M. Close , J. R. Males , J. -B. Marquette , K. M. Morzinski , R. W. Pogge , J. C. Yee

OGLE-2014-BLG-1760: A Jupiter-Sun analogue residing in the Galactic Bulge

We present the analysis of OGLE-2014-BLG-1760, a planetary system in the galactic bulge. We combine Keck Adaptive Optics follow-up observations in $K$-band with re-reduced light curve data to confirm the source and lens star identifications…

Earth and Planetary Astrophysics · Physics 2025-02-19 Natalia E. Rektsini , Clement Ranc , Naoki Koshimoto , Jean-Philippe Beaulieu , David P. Bennett , Andrew A. Cole , Aparna Bhattacharya , Etienne Bachelet , Ian A. Bond , Andrzej Udalski , Joshua W. Blackman , Aikaterini Vandorou , Thomas J. Plunkett , Jean-Baptiste Marquette

Red noise versus planetary interpretations in the microlensing event OGLE-2013-BLG-446

For all exoplanet candidates, the reliability of a claimed detection needs to be assessed through a careful study of systematic errors in the data to minimize the false positives rate. We present a method to investigate such systematics in…

Earth and Planetary Astrophysics · Physics 2015-10-29 E. Bachelet , D. M. Bramich , C. Han , J. Greenhill , R. A. Street , A. Gould , G. D Ago , K. AlSubai , M. Dominik , R. Figuera Jaimes , K. Horne , M. Hundertmark , N. Kains , C. Snodgrass , I. A. Steele , Y. Tsapras , M. D. Albrow , V. Batista , J. -P. Beaulieu , D. P. Bennett , S. Brillant , J. A. R. Caldwell , A. Cassan , A. Cole , C. Coutures , S. Dieters , D. Dominis Prester , J. Donatowicz , P. Fouque , K. Hill , J. -B. Marquette , J. Menzies , C. Pere , C. Ranc , J. Wambsganss , D. Warren , L. Andrade de Almeida , J. -Y. Choi , D. L. DePoy , Subo Dong , L. -W. Hung , K. H. Hwang , F. Jablonski , Y. K. Jung , S. Kaspi , N. Klein , C. -U. Lee , D. Maoz , J. A. Munoz , D. Nataf , H. Park , R. W. Pogge , D. Polishook , I. -G. Shin , A. Shporer , J. C. Yee F. Abe , A. Bhattacharya , I. A. Bond , C. S. Botzler , M. Freeman , A. Fukui , Y. Itow , N. Koshimoto , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , K. Ohnishi , L. C. Philpott , N. Rattenbury , To. Saito , D. J. Sullivan , T. Sumi , D. Suzuki , P. , J. Tristram , A. Yonehara , V. Bozza , S. Calchi Novati , S. Ciceri , P. Galianni , S. H. Gu , K. Harpsoe , T. C. Hinse , U. G. Jorgensen , D. Juncher , H. Korhonen , L. Mancini , C. Melchiorre , A. Popovas , A. Postiglione , M. Rabus , S. Rahvar , R. W. Schmidt , G. Scarpetta , J. Skottfelt , John Southworth , An. Stabile , J. Surdej , X. -B. Wang , O. Wertz

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

Reanalysis of the Gravitational Microlensing Event MACHO-97-BLG-41 based on Combined Data

MACHO-97-BLG-41 is a gravitational microlensing event produced by a lens composed of multiple masses detected by the first-generation lensing experiment. For the event, there exist two different interpretations of the lens from independent…

Solar and Stellar Astrophysics · Physics 2015-06-15 Youn Kil Jung , Cheongho Han , Andrew Gould , Dan Maoz

OGLE-2017-BLG-0406: ${\it Spitzer}$ Microlens Parallax Reveals Saturn-mass Planet orbiting M-dwarf Host in the Inner Galactic Disk

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 ${\it Spitzer}$ satellite in a solar orbit. At high magnification, the anomaly in the light…

Earth and Planetary Astrophysics · Physics 2020-07-29 Yuki Hirao , David P. Bennett , Yoon-Hyun Ryu , Naoki Koshimoto , Andrzej Udalski , Jennifer C. Yee , Takahiro Sumi , Ian A. Bond , Yossi Shvartzvald , Fumio Abe , Richard K. Barry , Aparna Bhattacharya , Martin Donachie , Akihiko Fukui , Yoshitaka Itow , Iona Kondo , Man Cheung Alex Li , Yutaka Matsubara , Taro Matsuo , Shota Miyazaki , Yasushi Muraki , Masayuki Nagakane , Clement Ranc , Nicholas J. Rattenbury , Haruno Suematsu , Hiroshi Shibai , Daisuke Suzuki , Paul J. Tristram , Atsunori Yonehara , J. Skowron , R. Poleski , P. Mroz , M. K. Szymanski , I. Soszynski , S. Kozlowski , P. Pietrukowicz , K. Ulaczyk , K. Rybicki , P. Iwanek , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Cheongho Han , Kyu-Ha Hwang , Youn Kil Jung , In-Gu Shin , 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 , Charles A. Beichman , Geoffery Bryden , Sebastiano Calchi Novati , Sean Carey , B. Scott Gaudi , Calen B. Henderson , Wei Zhu , Etienne Bachelet , Greg Bolt , Grant Christie , Markus Hundertmark , Tim Natusch , Dan Maoz , Jennie McCormick , Rachel A. Street , Thiam-Guan Tan , Yiannis Tsapras , U. G. Jorgensen , M. Dominik , V. Bozza , J. Skottfelt , C. Snodgrass , S. Ciceri , R. Figuera Jaimes , D. F. Evans , N. Peixinho , T. C. Hinse , M. J. Burgdorf , J. Southworth , S. Rahvar , S. Sajadian , M. Rabus , C. von Essen , Y. I. Fujii , J. Campbell-White , S. Lowry , C. Helling , L. Mancini , L. Haikala , Ryo Kandori

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

In this work, we present the analysis of the binary microlensing event OGLE-2018-BLG-0022 that is detected toward the Galactic bulge field. The dense and continuous coverage with the high-quality photometry data from ground-based…

Solar and Stellar Astrophysics · Physics 2019-05-15 Cheongho Han , Ian A. Bond , Andrzej Udalski , Sebastiano Calchi Novati , Andrew Gould , Valerio Bozza , Yuki Hirao , Arnaud Cassan , Michael D. Albrow , Sun-Ju Chung , Kyu-Ha Hwang , Chung-Uk Lee , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Jennifer C. Yee , Youn Kil Jung , Doeon Kim , Woong-Tae Kim Sang-Mok Cha , Dong-Jin Kim , Hyoun-Woo Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Weicheng Zang , Fumio Abe , Richard Barry , David P. Bennett , Aparna Bhattacharya , Martin Donachie , Akihiko Fukui , 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 , Przemek Mróz , Michał K. Szymański , Jan Skowron , Radek Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona , Charles A. Beichman , Geoffery Bryden , Sean Carey , B. Scott Gaudi , Calen B. Henderson

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

Spitzer Microlens Measurement of a Massive Remnant in a Well-Separated Binary

We report the detection and mass measurement of a binary lens OGLE-2015-BLG-1285La,b, with the more massive component having $M_1>1.35\,M_\odot$ (80% probability). A main-sequence star in this mass range is ruled out by limits on blue…

Solar and Stellar Astrophysics · Physics 2015-12-22 Y. Shvartzvald , A. Udalski , A. Gould , C. Han , V. Bozza , M. Friedmann , M. Hundertmark , C. Beichman , G. Bryden , S. Calchi Novati , S. Carey , M. Fausnaugh , B. S. Gaudi , C. B. Henderson , T. Kerr , R. W. Pogge , W. Varricatt , B. Wibking , J. C. Yee , W. Zhu , R. Poleski , M. Pawlak , M. K. Szymański , J. Skowron , P. Mróz , S. Kozłowski , Ł. Wyrzykowski , P. Pietrukowicz , G. Pietrzyński , I. Soszyński , K. Ulaczyk , J. -Y. Choi , H. Park , Y. K. Jung , I. -G. Shin , M. D. Albrow , B. -G. Park , S. -L. Kim , C. -U. Lee , S. -M. Cha , D. -J. Kim , Y. Lee , D. Maoz , S. Kaspi , R. A. Street , Y. Tsapras , E. Bachelet , M. Dominik , D. M. Bramich , Keith Horne , C. Snodgrass , I. A. Steele , J. Menzies , R. Figuera Jaimes , J. Wambsganss , R. Schmidt , A. Cassan , C. Ranc , S. Mao , Subo Dong , G. D'Ago , G. Scarpetta , P. Verma , U. G. Jørgensen , E. Kerins , J. Skottfelt

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

Recently, there have been reports of various types of degeneracies in the interpretation of planetary signals induced by planetary caustics. In this work, we check whether such degeneracies persist in the case of well-covered signals by…

Earth and Planetary Astrophysics · Physics 2023-07-12 Cheongho Han , Youn Kil Jung , Ian A. Bond , Andrew Gould , Sun-Ju Chung , Michael D. Albrow , Kyu-Ha Hwang , 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 , Chung-Uk Lee , 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 , Iona Kondo , Naoki Koshimoto , Yutaka Matsubara , Sho Matsumoto , Shota Miyazaki , Yasushi Muraki , Arisa Okamura , Greg Olmschenk , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Takahiro Sumi , Daisuke Suzuki , Taiga Toda , Mio Tomoyoshi , Paul J. Tristram , Aikaterini Vandorou , Hibiki Yama , Kansuke Yamashita

OGLE-2013-BLG-0578L: Microlensing Binary Composed of A Brown Dwarf And An M Dwarf

Determining physical parameters of binary microlenses is hampered by the lack of information about the angular Einstein radius due to the difficulty of resolving caustic crossings. In this paper, we present the analysis of the binary…

Solar and Stellar Astrophysics · Physics 2015-06-03 H. Park , A. Udalski , C. Han , R. Poleski , J. Skowron , S. Kozłowski , Ł. Wyrzykowski , M. K. Szymański , P. Pietrukowicz , G. Pietrzyński , I. Soszyński , K. Ulaczyk

GW231123: A Case for Binary Microlensing in a Strong Lensing Field

The unusual properties of GW231123, including component masses within the pair-instability mass gap ($137^{+22}_{-17}\mathrm{M}_\odot$ and $103^{+20}_{-52}\mathrm{M}_\odot$ at 90\% credible intervals) and extremely large spins near the Kerr…

Astrophysics of Galaxies · Physics 2025-12-23 Xikai Shan , Huan Yang , Shude Mao

MOA-2011-BLG-322Lb: a "second generation survey" microlensing planet

Global "second-generation" microlensing surveys aim to discover and characterize extrasolar planets and their frequency, by means of round-the-clock high-cadence monitoring of a large area of the Galactic bulge, in a controlled experiment.…

Earth and Planetary Astrophysics · Physics 2014-03-05 Y. Shvartzvald , D. Maoz , S. Kaspi , T. Sumi , A. Udalski , A. Gould , D. P. Bennett , C. Han , F. Abe , I. A. Bond , C. S. Botzler , M. Freeman , A. Fukui , D. Fukunaga , 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 , P. C. M. Yock , J. Skowron , S. Kozłowski , M. K. Szymański , M. Kubiak , G. Pietrzyński , I. Soszyński , K. Ulaczyk , Ł. Wyrzykowski , R. Poleski , P. Pietrukowicz

Galactic microlensing with rotating binaries

The influence of rotating binary systems on the light curves of galactic microlensing events is studied. Three different rotating binary systems are discussed: a rotating binary lens, a rotating binary source, and the motion of the earth…

Astrophysics · Physics 2014-10-10 M. Dominik

Repeating microlensing events in the OGLE data

Microlensing events are usually selected among single-peaked non-repeating light curves in order to avoid confusion with variable stars. However, a microlensing event may exhibit a second microlensing brightening episode when the source…

Astrophysics · Physics 2009-11-13 J. Skowron , L. Wyrzykowski , S. Mao , M. Jaroszynski

A Comprehensive Analysis of Three Microlensing Planet Candidates with the Planet/Binary Degeneracy

We present observations and analyses of three high-magnification microlensing events: KMT-2022-BLG-0954, KMT-2024-BLG-0697, and MOA-2024-BLG-018. All three exhibit the "Planet/Binary" degeneracy, with planetary solutions corresponding to…

Earth and Planetary Astrophysics · Physics 2025-09-24 Jiyuan Zhang , Weicheng Zang , Yoon-Hyun Ryu , Takahiro Sumi , Andrzej Udalski , Shude Mao , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Cheongho Han , Kyu-Ha Hwang , Youn Kil Jung , In-Gu Shin , Yossi Shvartzvald , Jennifer C. Yee , Hongjing Yang , Sang-Mok Cha , Dong-Jin Kim , Seung-Lee Kim , Chung-Uk Lee , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Yunyi Tang , Leandro de Almeida , Dan Maoz , Qiyue Qian , Wei Zhu , Fumio Abe , Ken Bando , David P. Bennett , Aparna Bhattacharya , Ian A. Bond , Akihiko Fukui , Ryusei Hamada , Shunya Hamada , Naoto Hamasaki , Yuki Hirao , Stela Ishitani Silva , Naoki Koshimoto , Yutaka Matsubara , Shota Miyazaki , Yasushi Muraki , Tutumi Nagai , Kansuke Nunota , Greg Olmschenk , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Daisuke Suzuki , Sean K. Terry , Paul J. Tristram , Aikaterini Vandorou , Hibiki Yama , Przemek Mróz , Michał K. Szymański , Jan Skowron , Radoslaw Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof A. Rybicki , Patryk Iwanek , Krzysztof Ulaczyk , Marcin Wrona , Mariusz Gromadzki , Mateusz J. Mróz

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

Revisiting MOA 2013 BLG-220L: A Solar-type star with a Cold super-Jupiter Companion

We present the analysis of high-resolution images of MOA-2013-BLG-220, taken with the Keck adaptive optics system 6 years after the initial observation, identifying the lens as a solar-type star hosting a super-Jupiter mass planet. The…

Earth and Planetary Astrophysics · Physics 2020-08-20 Aikaterini Vandorou , David P. Bennett , Jean-Philippe Beaulieu , Christophe L. Alard , Joshua W. Blackman , Andrew A. Cole , Aparna Bhattacharya , Ian A. Bond , Naoki Koshimoto , Jean-Baptiste Marquette

New Giant Planet beyond the Snow Line for an Extended MOA Exoplanet Microlens Sample

Characterizing a planet detected by microlensing is hard if the planetary signal is weak or the lens-source relative trajectory is far from caustics. However, statistical analyses of planet demography must include those planets to…

Earth and Planetary Astrophysics · Physics 2021-07-09 Clément Ranc , David P. Bennett , Richard K. Barry , Naoki Koshimoto , Jan Skowron , Yuki Hirao , Ian A. Bond , Takahiro Sumi , Lars Bathe-Peters , Fumio Abe , Aparna Bhattacharya , Martin Donachie , Hirosane Fujii , Akihiko Fukui , Stela Ishitani Silva , Yoshitaka Itow , Rintaro Kirikawa , Iona Kondo , Man Cheung Alex Li , Yutaka Matsubara , Yasushi Muraki , Shota Miyazaki , Greg Olmschenk , Nicholas J. Rattenbury , Yuki Satoh , Hikaru Shoji , Daisuke Suzuki , Yuzuru Tanaka , Paul J. Tristram , Tsubasa Yamawaki , Atsunori Yonehara