Related papers: Four binary microlenses with directly measured mas…

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-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

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

A Search for Stellar-Mass Black Holes via Astrometric Microlensing

While dozens of stellar mass black holes have been discovered in binary systems, isolated black holes have eluded detection. Their presence can be inferred when they lens light from a background star. We attempt to detect the astrometric…

Solar and Stellar Astrophysics · Physics 2016-10-19 J. R. Lu , E. Sinukoff , E. O. Ofek , A. Udalski , S. Kozlowski

Binary Microlensing Events from the MACHO Project

We present the lightcurves of 21 gravitational microlensing events from the first six years of the MACHO Project gravitational microlensing survey which are likely examples of lensing by binary systems. These events were manually selected…

Astrophysics · Physics 2012-08-27 MACHO , GMAN collaborations , : , C. Alcock et al

KMT-2019-BLG-1715: planetary microlensing event with three lens masses and two source stars

We investigate the gravitational microlensing event KMT-2019-BLG-1715, of which light curve shows two short-term anomalies from a caustic-crossing binary-lensing light curve: one with a large deviation and the other with a small deviation.…

Earth and Planetary Astrophysics · Physics 2021-06-02 Cheongho Han , Andrzej Udalski , Doeone Kim , Youn Kil Jung , Chung-Uk Lee , Ian A. Bond , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Hyoun-Woo Kim , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Weicheng Zang , Jennifer C. Yee , 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 , Radek Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona , Mariusz Gromadzki , Fumio Abe , Richard Barry , David P. Bennett , Aparna Bhattacharya , Martin Donachie , Hirosane Fujii , Akihiko Fukui , Yoshitaka Itow , Yuki Hirao , Rintaro Kirikawa , Iona Kondo , Man Cheung Alex Li , Yutaka Matsubara , Yasushi Muraki , Shota Miyazaki , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Hikaru Shoji , Haruno Suematsu , Takahiro Sumi , Daisuke Suzuki , Yuzuru Tanaka , Paul J. Tristram , Takeharu Yamakawa , Tsubasa Yamawaki , Atsunori Yonehara

OGLE-2015-BLG-0196: Ground-based Gravitational Microlens Parallax Confirmed By Space-Based Observation

In this paper, we present the analysis of the binary gravitational microlensing event OGLE-2015-BLG-0196. The event lasted for almost a year and the light curve exhibited significant deviations from the lensing model based on the…

Earth and Planetary Astrophysics · Physics 2017-01-11 C. Han , A. Udalski , A. Gould , Wei Zhu , M. K. Szymański , I. Soszyński , J. Skowron , P. Mróz , R. Poleski , P. Pietrukowicz , S. Kozłowski , K. Ulaczyk , M. Pawlak , J. C. Yee , C. Beichman , S. Calchi Novati , S. Carey , C. Bryden , M. Fausnaugh , B. S. Gaudi , Calen B. Henderson , Y. Shvartzvald , B. Wibking

Candidate Gravitational Microlensing Events for Future Direct Lens Imaging

The mass of the lenses giving rise to Galactic microlensing events can be constrained by measuring the relative lens-source proper motion and lens flux. The flux of the lens can be separated from that of the source, companions to the…

Solar and Stellar Astrophysics · Physics 2015-06-19 C. B. Henderson , H. Park , T. Sumi , A. Udalski , A. Gould , Y. Tsapras , C. Han , B. S. Gaudi , V. Bozza , F. Abe , D. P. Bennett , 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 , D. Suzuki , W. L. Sweatman , P. J. Tristram , N. Tsurumi , K. Wada , N. Yamai , P. C. M. Yock , A. Yonehara , M. K. Szymański , M. Kubiak , G. Pietrzyński , I. Soszyński , J. Skowron , S. Kozłowski , R. Poleski , K. Ulaczyk , Ł. Wyrzykowski , P. Pietrukowicz , L. A. Almeida , M. Bos , J. -Y. Choi , G. W. Christie , D. L. Depoy , Subo Dong , M. Friedmann , K. -H. Hwang , F. Jablonski , Y. K. Jung , S. Kaspi , C. -U. Lee , D. Maoz , J. McCormick , D. Moorhouse , T. Natusch , H. Ngan , R. W. Pogge , I. -G. Shin , Y. Shvartzvald , T. -G. Tan , G. Thornley , J. C. Yee , A. Allan , D. M. Bramich , P. Browne , M. Dominik , K. Horne , M. Hundertmark , R. Figuera Jaimes , N. Kains , C. Snodgrass , I. A. Steele , R. A. Street

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

OGLE-2016-BLG-0168 Binary Microlensing Event: Prediction and Confirmation of the Micorlens Parallax Effect from Space-based Observation

The microlens parallax is a crucial observable for conclusively identifying the nature of lens systems in microlensing events containing or composed of faint (even dark) astronomical objects such as planets, neutron stars, brown dwarfs, and…

Solar and Stellar Astrophysics · Physics 2017-10-11 I. -G. Shin , A. Udalski , J. C. Yee , S. Calchi Novati , C. Han , J. Skowron , P. Mróz , I. Soszyński , R. Poleski , M. K. Szymański , S. Kozłowski , P. Pietrukowicz , K. Ulaczyk , M. Pawlak , M. D. Albrow , A. Gould , S. -J. Chung , K. -H. Hwang , Y. K. Jung , Y. -H. Ryu , W. Zhu , S. -M. Cha , D. -J. Kim , H. -W. Kim , S. -L. Kim , C. -U. Lee , Y. Lee , B. -G. Park , R. W. Pogge , C. Beichman , G. Bryden , S. Carey , B. S. Gaudi , C. B. Henderson , Y. Shvartzvald

OGLE-2003-BLG-262: Finite-Source Effects from a Point-Mass Lens

We analyze OGLE-2003-BLG-262, a relatively short, t_E=12.5+-0.1day, microlensing event generated by a point-mass lens transiting the face of a K giant source in the Galactic bulge. We use the resulting finite-source effects to measure the…

Astrophysics · Physics 2019-08-17 Jaiyul Yoo , D. L. DePoy , A. Gal-Yam , B. S. Gaudi , A. Gould , C. Han , Y. Lipkin , D. Maoz , E. O. Ofek , B. -G. Park , R. W. Pogge , A. Udalski , I. Soszynski , L. Wyrzykowski , M. Kubiak , M. Szymanski , G. Pietrzynski , O. Szewczyk , K. Zebrun

KMT-2021-BLG-0912Lb: A microlensing super Earth around a K-type star

The light curve of the microlensing event KMT-2021-BLG-0912 exhibits a very short anomaly relative to a single-lens single-source form. We investigate the light curve for the purpose of identifying the origin of the anomaly. We model the…

Earth and Planetary Astrophysics · Physics 2022-02-16 Cheongho Han , Ian A. Bond , Jennifer C. Yee , Weicheng Zang , Michael D. Albrow , Sun-Ju Chung , Andrew P. Gould , Kyu-Ha Hwang , Youn Kil Jung , Doeon Kim , Chung-Uk Lee , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Sang-Mok Cha , 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 , Yuki Hirao , Hirosane Fujii , Akihiko Fukui , Yoshitaka Itow , Rintaro Kirikawa , Iona Kondo , Naoki Koshimoto , Yutaka Matsubara , Sho Matsumoto , Yasushi Muraki , Shota Miyazaki , Clément Ranc , Arisa Okamura , Nicholas J. Rattenbury , Yuki Satoh , Takahiro Sumi , Daisuke Suzuki , Stela Ishitani Silva , Taiga Toda , Paul J. Tristram , Hibiki Yama , Atsunori Yonehara , Tony Cooper , Plamen Dimitrov , Subo Dong , John Drummond , Jonathan Green , Steve Hennerley , Zhuokai Liu , Shude Mao , Dan Maoz , Matthew Penny , Hongjing Yang

OGLE-2016-BLG-0613LABb: A Microlensing Planet in a Binary System

We present the analysis of OGLE-2016-BLG-0613, for which the lensing light curve appears to be that of a typical binary-lens event with two caustic spikes but with a discontinuous feature on the trough between the spikes. We find that the…

Earth and Planetary Astrophysics · Physics 2017-11-29 C. Han , A. Udalski , A. Gould , C. -U. Lee , Y. Shvartzvald , W. C. Zang , S. Mao , S. Kozłowski , M. D. Albrow , S. -J. Chung , K. -H. Hwang , Y. K. Jung , D. Kim , H. -W. Kim , Y. -H. Ryu , I. -G. Shin , J. C. Yee , W. Zhu , S. -M. Cha , S. -L. Kim , D. -J. Kim , Y. Lee , B. -G. Park , J. Skowron , P. Mróz , P. Pietrukowicz , R. Poleski , M. K. Szymański , I. Soszyński , K. Ulaczyk , M. Pawlak C. Beichman , G. Bryden , S. Calchi Novati , B. S. Gaudi , C. B. Henderson , S. B. Howell , S. Jacklin , M. T. Penny , P. Fouqué , T. S. Wang

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

The Many Possible Interpretations of Microlensing Event OGLE-2002-BLG-055

Microlensing event OGLE-2002-BLG-055 is characterized by a smooth, slightly asymmetric single-lens curve with an isolated, secure data point that is ~0.6 magnitudes brighter than neighboring points separated by a few days. It was previously…

Astrophysics · Physics 2008-11-26 B. Scott Gaudi , Cheongho Han

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

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

OGLE-2014-BLG-0221Lb: A Jupiter Mass Ratio Companion Orbiting either a Late-Type Star or a Stellar Remnant

We present the analysis of microlensing event OGLE-2014-BLG-0221, a planetary candidate event discovered in 2014. The photometric light curve is best described by a binary-lens single-source model. Our light curve modeling finds two…

Earth and Planetary Astrophysics · Physics 2023-10-23 Rintaro Kirikawa , Takahiro Sumi , David P. Bennett , Daisuke Suzuki , Naoki Koshimoto , Shota Miyazaki , Ian A. Bond , Andrzej Udalski , Nicholas J. Rattenbury , Fumio Abe , Richard Barry , Aparna Bhattacharya , Hirosane Fujii , Akihiko Fukui , Ryusei Hamada , Yuki Hirao , Stela Ishitani Silva , Yoshitaka Itow , Yutaka Matsubara , Yasushi Muraki , Greg Olmschenk , Clément Ranc , Yuki K. Satoh , Mio Tomoyoshi , Paul . J. Tristram , Aikaterini Vandorou , Hibiki Yama , Kansuke Yamashita , Przemek Mróz , Radosław Poleski , Jan Skowron , Michał K. Szymański , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof Ulaczyk

First Resolution of Microlensed Images of a Binary-Lens Event

We resolve the multiple images of the binary-lens microlensing event ASASSN-22av using the GRAVITY instrument of the Very Large Telescope Interferometer (VLTI). The light curves show weak binary-lens perturbations, complicating the…

Solar and Stellar Astrophysics · Physics 2024-12-25 Zexuan Wu , Subo Dong , A. Mérand , Christopher S. Kochanek , Przemek Mróz , Jinyi Shangguan , Grant Christie , Thiam-Guan Tan , Thomas Bensby , Joss Bland-Hawthorn , Sven Buder , Frank Eisenhauer , Andrew P. Gould , Janez Kos , Tim Natusch , Sanjib Sharma , Andrzej Udalski , J. Woillez , David A. H. Buckley , I. B. Thompson , Karim Abd El Dayem , Anthony Berdeu , Jean-Philippe Berger , Guillaume Bourdarot , Wolfgang Brandner , Richard I. Davies , Denis Defrère , Catherine Dougados , Antonia Drescher , Andreas Eckart , Maximilian Fabricius , Helmut Feuchtgruber , Natascha M. Förster Schreiber , Paulo Garcia , Reinhard Genzel , Stefan Gillessen , Gernot Heißel , Sebastian Hönig , Mathis Houlle , Pierre Kervella , Laura Kreidberg , Sylvestre Lacour , Olivier Lai , Romain Laugier , Jean-Baptiste Le Bouquin , James Leftley , Bruno Lopez , Dieter Lutz , Felix Mang , Florentin Millour , Miguel Montargès , Hugo Nowacki , Mathias Nowak , Thomas Ott , Thibaut Paumard , Karine Perraut , Guy Perrin , Romain Petrov , Pierre-Olivier Petrucci , Nicolas Pourre , Sebastian Rabien , Diogo C. Ribeiro , Sylvie Robbe-Dubois , Matteo Sadun Bordoni , Daryl Santos , Jonas Sauter , Jules Scigliuto , Taro T. Shimizu , Christian Straubmeier , Eckhard Sturm , Matthias Subroweit , Calvin Sykes , Linda Tacconi , Frédéric Vincent , Felix Widmann

OGLE-2014-BLG-0257L: A Microlensing Brown Dwarf Orbiting a Low-mass M Dwarf

In this paper, we report the discovery of a binary composed of a brown dwarf and a low-mass M dwarf from the observation of the microlensing event OGLE-2014-BLG-0257. Resolution of the very short-lasting caustic crossing combined with the…

Solar and Stellar Astrophysics · Physics 2016-05-25 C. Han , Y. K. Jung , A. Udalski , A. Gould , V. Bozza , M. K. Szymański , I. Soszyński , R. Poleski , S. Kozłowski , P. Pietrukowicz , J. Skowron , K. Ulaczyk , Ł. Wyrzykowski