Related papers: A Gas Giant Planet in the OGLE-2006-BLG-284L Stell…

KMT-2024-BLG-0404L: A triple microlensing system consisting of a star, a brown dwarf, and a planet

We have investigated the lensing event KMT-2024-BLG-0404. The light curve of the event exhibited a complex structure with multiple distinct features, including two prominent caustic spikes, two cusp bumps, and a brief discontinuous feature…

Earth and Planetary Astrophysics · Physics 2025-07-11 Cheongho Han , Andrzej Udalski , Chung-Uk Lee , Yoon-Hyun Ryu , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Youn Kil Jung , In-Gu Shin , Yossi Shvartzvald , Jennifer C. Yee , Hongjing Yang , Weicheng Zang , Doeon Kim , Dong-Jin Kim , 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

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-2018-BLG-1269Lb: A Jovian Planet With A Bright, $I=16$ Host

We report the discovery of a planet in the microlensing event OGLE-2018-BLG-1269, with planet-host mass ratio $q \sim 6\times10^{-4}$, i.e., $0.6$ times smaller than the Jupiter/Sun mass ratio. Combined with the $Gaia$ parallax and proper…

Solar and Stellar Astrophysics · Physics 2020-09-09 Youn Kil Jung , Andrew Gould , Andrzej Udalski , Takahiro Sumi , Jennifer C. Yee , Cheongho Han , 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 , Fumio Abe , Richard Barry , David P. Bennett , Ian A. Bond , Aparna Bhattacharya , Martin Donachie , Akihiko Fukui , Yuki Hirao , Yoshitaka Itow , Iona Kondo , Naoki Koshimoto , Man Cheung Alex Li , Yutaka Matsubara , Shota Miyazaki , Yasushi Muraki , Masayuki Nagakane , Clément Ranc , Nicholas~J. Rattenbury , Haruno Suematsu , Denis J. Sullivan , Daisuke Suzuki , Paul J. Tristram , Atsunori Yonehara

The First Circumbinary Planet Found by Microlensing: OGLE-2007-BLG-349L(AB)c

We present the analysis of the first circumbinary planet microlensing event, OGLE-2007-BLG-349. This event has a strong planetary signal that is best fit with a mass ratio of $q \approx 3.4\times10^{-4}$, but there is an additional signal…

Earth and Planetary Astrophysics · Physics 2016-11-04 D. P. Bennett , S. H. Rhie , A. Udalski , A. Gould , Y. Tsapras , D. Kubas , I. A. Bond , J. Greenhill , A. Cassan , N. J. Rattenbury , T. S. Boyajian , J. Luhn , M. T. Penny , J. Anderson , F. Abe , A. Bhattacharya , C. S. Botzler , M. Donachie , M. Freeman , A. Fukui , Y. Hirao , Y. Itow , N. Koshimoto , M. C. A. Li , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , M. Nagakane , K. Ohnishi , H. Oyokawa , Y. C. Perrott , To. Saito , A. Sharan , D. J. Sullivan , T. Sumi , D. Suzuki , P. J. Tristram , A. Yonehara , P. C. M. Yock , M. K. Szymanski , I. Soszynski , K. Ulaczyk , L. Wyrzykowski , W. Allen , D. DePoy , A. Gal-Yam , B. S. Gaudi , C. Han , I. A. G. Monard , E. Ofek , R. W. Pogge , R. A. Street , D. M. Bramich , M. Dominik , K. Horne , C. Snodgrass , I. A. Steele , M. D. Albrow , E. Bachelet , V. Batista , J. -P. Beaulieu , S. Brillant , J. A. R. Caldwell , A. Cole , C. Coutures , S. Dieters , D. Dominis Prester , J. Donatowicz , P. Fouque , M. Hundertmark , U. G. Jorgensen , N. Kains , S. R. Kane , J. -B. Marquette , J. Menzies , K. R. Pollard , C. Ranc , K. C. Sahu , J. Wambsganss , A. Williams , M. Zub

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

A Jovian-mass Planet in Microlensing Event OGLE-2005-BLG-071

We report the discovery of a several-Jupiter mass planetary companion to the primary lens star in microlensing event OGLE-2005-BLG-071. Precise (<1%) photometry at the peak of the event yields an extremely high signal-to-noise ratio…

Astrophysics · Physics 2009-11-11 A. Udalski , M. Jaroszynski , B. Paczynski , M. Kubiak , M. K. Szymanski , I. Soszynski , G. Pietrzynski , K. Ulaczyk , O. Szewczyk , L. Wyrzykowski , G. W. Christie , D. L. DePoy , S. Dong , A. Gal-Yam , B. S. Gaudi , A. Gould , C. Han , S. Lepine , J. McCormick , B. -G. Park , R. W. Pogge , D. P. Bennett , I. A. Bond , Y. Muraki , P. J. Tristram , P. C. M. Yock , J. P. Beaulieu , D. M. Bramich , S. W. Dieters , J. Greenhill , K. Hill , K. Horne , D. Kubas

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-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-2012-BLG-0950Lb: The First Planet Mass Measurement from Only Microlens Parallax and Lens Flux

We report the discovery of a microlensing planet OGLE-2012-BLG-0950Lb with the planet/host mass ratio of $q \sim 2 \times 10^{-4}$. A long term distortion detected in both MOA and OGLE light curve can be explained by the microlens parallax…

Earth and Planetary Astrophysics · Physics 2016-12-21 N. Koshimoto , A. Udalski , J. P. Beaulieu , T. Sumi , D. P. Bennett , I. A. Bond , N. Rattenbury , A. Fukui , V. Batista , J. B. Marquette , S. Brillant , F. Abe , Y. Asakura , A. Bhattacharya , M. Donachie , M. Freeman , Y. Hirao , Y. Itow , M. C. A. Li , C. H. Ling , K. Masuda , Y. Matsubara , T. Matsuo , Y. Muraki , K. Ohnishi , H. Oyokawa , To. Saito , A. Sharan , H. Shibai , D. J. Sullivan , D. Suzuki , P. J. Tristram , A. Yonehara , S. Kozlowski , P. Pietrukowicz , R. Poleski , J. Skowron , I. Soszynski , M. K. Szymanski , K. Ulaczyk , L. Wyrzykowski

Triple Microlens OGLE-2008-BLG-092L: Binary Stellar System with a Circumprimary Uranus-type Planet

We present the gravitational microlensing discovery of a 4 M_Uranus planet that orbits a 0.7 M_Sun star at ~18 AU. This is the first known analog of Uranus. Similar planets, i.e., cold ice-giants, are inaccessible to either radial velocity…

Earth and Planetary Astrophysics · Physics 2015-06-26 Radosław Poleski , Jan Skowron , Andrzej Udalski , Cheongho Han , Szymon Kozłowski , Łukasz Wyrzykowski , Subo Dong , Michał K. Szymański , Marcin Kubiak , Grzegorz Pietrzyński , Igor Soszyński , Krzysztof Ulaczyk , Paweł Pietrukowicz , Andrew Gould

MOA-2010-BLG-477Lb: constraining the mass of a microlensing planet from microlensing parallax, orbital motion and detection of blended light

Microlensing detections of cool planets are important for the construction of an unbiased sample to estimate the frequency of planets beyond the snow line, which is where giant planets are thought to form according to the core accretion…

Earth and Planetary Astrophysics · Physics 2015-06-05 E. Bachelet , I. -G. Shin , C. Han , P. Fouqué , A. Gould , J. W. Menzies , J. -P. Beaulieu , D. P. Bennett , I. A. Bond , Subo Dong , D. Heyrovský , J. B. Marquette , J. Marshall , J. Skowron , R. A. Street , T. Sumi , A. Udalski , L. Abe , K. Agabi , M. D. Albrow , W. Allen , E. Bertin , M. Bos , D. M. Bramich , J. Chavez , G. W. Christie , A. A. Cole , N. Crouzet , S. Dieters , M. Dominik , J. Drummond , J. Greenhill , T. Guillot , C. B. Henderson , F. V. Hessman , K. Horne , M. Hundertmark , J. A. Johnson , U. G. Jørgensen , R. Kandori , C. Liebig , D. Mékarnia , J. McCormick , D. Moorhouse , T. Nagayama , D. Nataf , T. Natusch , S. Nishiyama , J. -P. Rivet , K. C. Sahu , Y. Shvartzvald , G. Thornley , A. R. Tomczak , Y. Tsapras , J. C. Yee , V. Batista , C. S. Bennett , S. Brillant , J. A. R. Caldwell , A. Cassan , E. Corrales , C. Coutures , D. Dominis Prester , J. Donatowicz , D. Kubas , R. Martin , A. Williams , M. Zub , L. Andrade de Almeida , D. L. DePoy , B. S. Gaudi , L. -W. Hung , F. Jablonski , S. Kaspi , N. Klein , C. -U. Lee , Y. Lee , J. -R. Koo , D. Maoz , J. A. Muñoz , R. W. Pogge , D. Polishook , A. Shporer , F. Abe , C. S. Botzler , P. Chote , M. Freeman , A. Fukui , K. Furusawa , P. Harris , Y. Itow , S. Kobara , C. H. Ling , K. Masuda , Y. Matsubara , N. Miyake , K. Ohmori , K. Ohnishi , N. J. Rattenbury , To. Saito , D. J. Sullivan , D. Suzuki , W. L. Sweatman , P. J. Tristram , K. Wada , P. C. M. Yock , M. K. Szymański , I. Soszyński , M. Kubiak , R. Poleski , K. Ulaczyk , G. Pietrzyński , Ł. Wyrzykowski , N. Kains , C. Snodgrass , I. A. Steele , K. A. Alsubai , V. Bozza , P. Browne , M. J. Burgdorf , S. Calchi Novati , P. Dodds , S. Dreizler , F. Finet , T. Gerner , S. Hardis , K. Harpsøe , T. C. Hinse , E. Kerins , L. Mancini , M. Mathiasen , M. T. Penny , S. Proft , S. Rahvar , D. Ricci , G. Scarpetta , S. Schäfer , F. Schönebeck , J. Southworth , J. Surdej , J. Wambsganss

Extreme Magnification Microlensing Event OGLE-2008-BLG-279: Strong Limits on Planetary Companions to the Lens Star

We analyze the extreme high-magnification microlensing event OGLE-2008-BLG-279, which peaked at a maximum magnification of A ~ 1600 on 30 May 2008. The peak of this event exhibits both finite-source effects and terrestrial parallax, from…

Earth and Planetary Astrophysics · Physics 2015-05-13 J. C. Yee , A. Udalski , T. Sumi , Subo Dong , S. Kozłowski , J. C. Bird , A. Cole , D. Higgins , J. McCormick , B. Monard , D. Polishook , A. Shporer , O. Spector , the OGLE , the microFUN , the MOA , the PLANET Collaboration

Identification of the OGLE-2003-BLG-235/MOA-2003-BLG-53 Planetary Host Star

We present the results of HST observations of the host star for the first definitive extrasolar planet detected by microlensing. The light curve model for this event predicts that the lens star should be separated from the source star by…

Astrophysics · Physics 2009-11-11 David P. Bennett , Jay Anderson , Ian A. Bond , Andrzej Udalski , Andrew Gould

OGLE-2017-BLG-0448Lb: A Low Mass-Ratio Wide-Orbit Microlensing Planet?

The gravitational microlensing technique is most sensitive to planets in a Jupiter-like orbit and has detected more than 200 planets. However, only a few wide-orbit ($s > 2$) microlensing planets have been discovered, where $s$ is the…

Earth and Planetary Astrophysics · Physics 2023-12-15 Ruocheng Zhai , Radosław Poleski , Weicheng Zang , Youn Kil Jung , Andrzej Udalski , Renkun Kuang , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Cheongho Han , Kyu-Ha Hwang , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Hongjing Yang , Jennifer C. Yee , 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 , Jan Skowron , Michał K. Szymański , Igor Soszyński , Krzysztof Ulaczyk , Paweł Pietrukowicz , Szymon Kozłowski , Przemek Mróz , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona , Mariusz Gromadzki , Hanyue Wang , Shude Mao , Jiyuan Zhang , Qiyue Qian , Wei Zhu

OGLE-2008-BLG-355Lb: A Massive Planet around A Late type Star

We report the discovery of a massive planet OGLE-2008-BLG-355Lb. The light curve analysis indicates a planet:host mass ratio of q = 0.0118 +/- 0.0006 at a separation of 0.877 +/- 0.010 Einstein radii. We do not measure a significant…

Earth and Planetary Astrophysics · Physics 2015-06-19 N. Koshimoto , A. Udalski , T. Sumi , D. P. Bennett , I. A. Bond , N. Rattenbury , 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 , To. Saito , H. Shibai , D. J. Sullivan , K. Suzuki , D. 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

KMT-2021-BLG-1898: Planetary microlensing event involved with binary source stars

The light curve of the microlensing event KMT-2021-BLG-1898 exhibits a short-term central anomaly with double-bump features that cannot be explained by the usual binary-lens or binary-source interpretations. With the aim of interpreting the…

Earth and Planetary Astrophysics · Physics 2022-08-03 Cheongho Han , Andrew Gould , Doeon Kim , Youn Kil Jung , Michael D. Albrow , Sun-Ju Chung , Kyu-Ha Hwang , Chung-Uk Lee , 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

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

Mass measurement of a single unseen star and planetary detection efficiency for OGLE 2007-BLG-050

We analyze OGLE-2007-BLG-050, a high magnification microlensing event (A ~ 432) whose peak occurred on 2 May, 2007, with pronounced finite-source and parallax effects. We compute planet detection efficiencies for this event in order to…

Earth and Planetary Astrophysics · Physics 2010-10-19 V. Batista , Subo Dong , A. Gould , J. P. Beaulieu , A. Cassan , G. W. Christie , C. Han , A. Udalski , W. Allen , D. L. DePoy , A. Gal-Yam , B. S. Gaudi , B. Johnson , S. Kaspi , C. U. Lee , D. Maoz , J. McCormick , I. McGreer , B. Monard , T. Natusch , E. Ofek , B. -G. Park , R. W. Pogge , D. Polishook , A. Shporer , M. D. Albrow , D. P. Bennett , S. Brillant , M. Bode , D. M. Bramich , M. Burgdorf , J. A. R. Caldwell , H. Calitz , A. Cole , K. H. Cook , Ch. Coutures , S. Dieters , M. Dominik , D. Dominis Prester , J. Donatowicz , P. Fouqué , J. Greenhill , M. Hoffman , K. Horne , U. G. Jørgensen , N. Kains , S. Kane , D. Kubas , J. B. Marquette , R. Martin , P. Meintjes , J. Menzies , K. R. Pollard , K. C. Sahu , C. Snodgrass , I. Steele , Y. Tsapras , J. Wambsganss , A. Williams , M. Zub , Ł. Wyrzykowski , M. Kubiak , M. K. Szymański , G. Pietrzyński , I. Soszyński , O. Szewczyk , K. Ulaczyk , F. Abe , I. A. Bond , A. Fukui , K. Furusawa , J. B. Hearnshaw , S. Holderness , Y. Itow , K. Kamiya , P. M. Kilmartin , A. Korpela , W. Lin , C. H. Ling , K. Masuda , Y. Matsubara , N. Miyake , Y. Muraki , M. Nagaya , K. Ohnishi , T. Okumura , Y. C. Perrott , N. Rattenbury , To. Saito , T. Sako , L. Skuljan , D. Sullivan , T. Sumi , W. L. Sweatman , P. J. Tristram , P. C. M. Yock

KMT-2016-BLG-1337L: A Saturn-mass planet orbiting within a binary system of low-mass stars

We report the discovery and characterization of a planetary companion in the microlensing event KMT-2016-BLG-1337, which was produced by a binary system of low-mass stars. The light curve of the event exhibits a short-term anomaly…

Earth and Planetary Astrophysics · Physics 2026-02-16 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 , Doeon Kim , Dong-Jin Kim , Sang-Mok Cha , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Fumio Abe , David P. Bennett , Aparna Bhattacharya , Ryusei Hamada , Yuki Hirao , Asahi Idei , Stela Ishitani Silva , 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 , 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

OGLE-2019-BLG-0304: Competing Interpretations between a Planet-binary Model and a Binary-source + Binary-lens model

We analyze the microlensing event OGLE-2019-BLG-0304, whose light curve exhibits two distinctive features: a deviation in the peak region and a second bump appearing $\sim 61$~days after the main peak. Although a binary-lens model can…

Earth and Planetary Astrophysics · Physics 2021-10-27 Cheongho Han , Andrzej Udalski , Chung-Uk Lee , Doeon Kim , Yoon-Hyun Ryu , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Youn Kil Jung , Hyoun-Woo Kim , 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 , Przemek Mróz , Michał K. Szymański , Jan Skowron , Radosław Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona , Mariusz Gromadzki