Related papers: Using Source Proper Motion to Validate Terrestrial…

Evidence of Systematic Errors in $Spitzer$ Microlens Parallax Measurements

The microlensing parallax campaign with the $Spitzer$ space telescope aims to measure masses and distances of microlensing events seen towards the Galactic bulge, with a focus on planetary microlensing events. The hope is to measure how the…

Earth and Planetary Astrophysics · Physics 2020-09-30 Naoki Koshimoto , David P. Bennett

Probing motion of fast radio burst sources by timing strongly lensed repeaters

Given the possible repetitive nature of fast radio bursts (FRBs), their cosmological origin, and their high occurrence, detection of strongly lensed sources due to intervening galaxy lenses is possible with forthcoming radio surveys. We…

High Energy Astrophysical Phenomena · Physics 2017-09-27 Liang Dai , Wenbin Lu

First microlens mass measurement: PLANET photometry of EROS BLG-2000-5

We analyze PLANET photometric observations of the caustic-crossing binary-lens microlensing event, EROS BLG-2000-5, and find that modeling the observed light curve requires incorporation of the microlens parallax and the binary orbital…

Astrophysics · Physics 2008-11-26 Jin H. An , M. D. Albrow , J. -P. Beaulieu , J. A. R. Caldwell , D. L. DePoy , M. Dominik , B. S. Gaudi , A. Gould , J. Greenhill , K. Hill , S. Kane , R. Martin , J. Menzies , R. W. Pogge , K. R. Pollard , P. D. Sackett , K. C. Sahu , P. Vermaak , R. Watson , A. Williams

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

Spitzer as Microlens Parallax Satellite: Mass Measurement for the OGLE-2014-BLG-0124L Planet and its Host Star

We combine Spitzer and ground-based observations to measure the microlens parallax vector ${\mathbf \pi}_{\rm E}$, and so the mass and distance of OGLE-2014-BLG-0124L, making it the first microlensing planetary system with a space-based…

Earth and Planetary Astrophysics · Physics 2015-06-23 A. Udalski , J. C. Yee , A. Gould , S. Carey , W. Zhu , J. Skowron , S. Kozłowski , R. Poleski , P. Pietrukowicz , G. Pietrzyński , M. K. Szymański , P. Mróz , I. Soszyński , K. Ulaczyk , Ł. Wyrzykowski , C. Han , S. Calchi Novati , R. W. Pogge

Pathway to the Galactic Distribution of Planets: Combined Spitzer and Ground-Based Microlens Parallax Measurements of 21 Single-Lens Events

We present microlens parallax measurements for 21 (apparently) isolated lenses observed toward the Galactic bulge that were imaged simultaneously from Earth and Spitzer, which was ~1 AU West of Earth in projection. We combine these…

Earth and Planetary Astrophysics · Physics 2015-06-23 S. Calchi Novati , A. Gould , A. Udalski , J. W. Menzies , I. A. Bond , Y. Shvartzvald , R. A. Street , M. Hundertmark , C. A. Beichman , J. C. Yee , S. Carey , R. Poleski , J. Skowron , S. Kozlowski , P. Mroz , P. Pietrukowicz , G. Pietrzynski , M. K. Szymanski , I. Soszynski , K. Ulaczyk , L. Wyrzykowski , M. Albrow , J. P. Beaulieu , J. A. . R. Caldwell , A. Cassan , C. Coutures , C. Danielski , D. Dominis Prester , J. Donatowicz , K. Lonvcaric , A. McDougall , J. C. Morales , C. Ranc , W. Zhu , F. Abe , R. K. Barry , D. P. Bennett , A. Bhattacharya , D. Fukunaga , K. Inayama , N. Koshimoto , S. Namba , T. Sumi , D. Suzuki , P. J. Tristram , Y. Wakiyama , A. Yonehara , D. Maoz , S. Kaspi , M. Friedmann , E. Bachelet , R. Figuera Jaimes , D. M. Bramich , Y. Tsapras , K. Horne , C. Snodgrass , J. Wambsganss , I. A. Steele , N. Kains , V. Bozza , M. Dominik , U. G. Jorgensen , K. A. Alsubai , S. Ciceri , G. D'Ago , T. Haugbolle , F. V. Hessman , T. C. Hinse , D. Juncher , H. Korhonen , L. Mancini , A. Popovas , M. Rabus , S. Rahvar , G. Scarpetta , R. W. Schmidt , J. Skottfelt , J. Southworth , D. Starkey , J. Surdej , O. Wertz , M. Zarucki , B. S. Gaudi , R. W. Pogge , D. L. DePoy

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

Polarization in microlensing towards the Galactic bulge

Gravitational microlensing, when finite size source effects are relevant, provides an unique tool for the study of source star stellar atmospheres through an enhancement of a characteristic polarization signal. This is due to the…

Astrophysics of Galaxies · Physics 2015-06-11 G. Ingrosso , S. Calchi Novati , F. De Paolis , Ph. Jetzer , A. A. Nucita , F. Strafella , A. F. Zakharov

A terrestrial-mass rogue planet candidate detected in the shortest-timescale microlensing event

Some low-mass planets are expected to be ejected from their parent planetary systems during early stages of planetary system formation. According to planet-formation theories, such as the core accretion theory, typical masses of ejected…

Earth and Planetary Astrophysics · Physics 2020-11-11 P. Mroz , R. Poleski , A. Gould , A. Udalski , T. Sumi , M. K. Szymanski , I. Soszynski , P. Pietrukowicz , S. Kozlowski , J. Skowron , K. Ulaczyk , M. D. Albrow , S. -J. Chung , C. Han , K. -H. Hwang , Y. K. Jung , H. -W. Kim , Y. -H. Ryu , I. -G. Shin , Y. Shvartzvald , J. C. Yee , W. Zang , S. -M. Cha , D. -J. Kim , S. -L. Kim , C. -U. Lee , D. -J. Lee , Y. Lee , B. -G. Park , R. W. Pogge

OGLE-2017-BLG-0039: Microlensing Event with Light from the Lens Identified from Mass Measurement

We present the analysis of the caustic-crossing binary microlensing event OGLE-2017-BLG-0039. Thanks to the very long duration of the event, with an event time scale $t_{\rm E}\sim 130$ days, the microlens parallax is precisely measured…

Solar and Stellar Astrophysics · Physics 2018-11-28 C. Han , Y. K. Jung , A. Udalski , I. Bond , V. Bozza , M. D. Albrow , S. -J. Chung , A. Gould , K. -H. Hwang , D. Kim , C. -U. Lee , H. -W. Kim , Y. -H. Ryu , I. -G. Shin , J. C. Yee , Y. Shvartzvald , S. -M. Cha , S. -L. Kim , D. -J. 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 , M. Pawlak , F. Abe , R. Barry , D. P. Bennett , A. Bhattacharya , M. Donachie , P. Evans , A. Fukui , Y. Hirao , 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

MOA-2010-BLG-073L: An M-Dwarf with a Substellar Companion at the Planet/Brown Dwarf Boundary

We present an analysis of the anomalous microlensing event, MOA-2010-BLG-073, announced by the Microlensing Observations in Astrophysics survey on 2010-03-18. This event was remarkable because the source was previously known to be…

Earth and Planetary Astrophysics · Physics 2015-06-12 R. A. Street , J. -Y. Choi , Y. Tsapras , C. Han , K. Furusawa , M. Hundertmark , A. Gould , T. Sumi , I. A. Bond , D. Wouters , R. Zellem , A. Udalski , C. Snodgrass , K. Horne , M. Dominik , P. Browne , N. Kains , D. M. Bramich , D. Bajek , I. A. Steele , S. Ipatov , F. Abe , D. P. Bennett , C. S. Botzler , P. Chote , M. Freeman , A. Fukui , P. Harris , Y. Itow , C. H. Ling , K. Masuda , Y. Matsubara , N. Miyake , Y. Muraki , T. Nagayama , S. Nishimaya , K. Ohnishi , N. Rattenbury , To. Saito , D. J. Sullivan , D. Suzuki , W. L. Sweatman , P. J. Tristram , K. Wada , P. C. M. Yock , M. K. Szymanski , M. Kubiak , G. Pietrzynski , I. Soszynski , R. Poleski , K. Ulaczyk , L. Wyrzykowski , J. Yee , S. Dong , I. -G. Shin , C. -U. Lee , J. Skowron , L. Andrade De Almeida , D. L. DePoy , B. S. Gaudi , L. -W. Hung , F. Jablonski , S. Kaspi , N. Klein , K. -H. Hwang , J. -R. Koo , D. Maoz , J. A. Munoz , R. W. Pogge , D. Polishhook , A. Shporer , J. McCormick , G. Christie , T. Natusch , B. Allen , J. Drummond , D. Moorhouse , G. Thornley , M. Knowler , M. Bos , G. Bolt , J. -P. Beaulieu , M. D. Albrow , V. Batista , S. Brillant , J. A. R. Caldwell , A. Cassan , A. Cole , E. Corrales , Ch. Coutures , S. Dieters , D. Dominis Prester , J. Donatowicz , P. Fouque , E. Bachelet , J. Greenhill , S. R. Kane , D. Kubas , J. -B. Marquette , R. Martin , J. Menzies , K. R. Pollard , K. C. Sahu , J. Wambsganss , A. Williams , M. Zub , K. A. Alsubai , V. Bozza , M. J. Burgdorf , S. Calchi Novati , P. Dodds , S. Dreizler , F. Finet , T. Gerner , S. Hardis , K. Harpsoe , F. Hessman , T. C. Hinse , U. G. Jorgensen , E. Kerins , C. Liebig , L. Mancini , M. Mathiasen , M. T. Penny , S. Proft , S. Rahvar , D. Ricci , G. Scarpetta , S. Schafer , F. Schonebeck , J. Southworth , J. Surdej

Complete Parallax and Proper Motion Solutions For Halo Binary-Lens Microlensing Events

A major problem in the interpretation of microlensing events is that the only measured quantity, the Einstein time scale t_E, is a degenerate combination of the three quantities one would like to know, the mass, distance, and speed of the…

Astrophysics · Physics 2009-10-31 Andrew Gould , Nikolay Andronov

How Rare are TESS Free-Floating Planets?

Recently, Kunimoto et al. claimed that a short-lived signal in the Transiting Exoplanet Survey Satellite (TESS) Sector 61 database was possibly caused by a microlensing event with a terrestrial-mass free-floating planet (FFP) lens. In this…

Earth and Planetary Astrophysics · Physics 2024-08-28 Hongjing Yang , Weicheng Zang , Tianjun Gan , Renkun Kuang , Andrew Gould , Shude Mao

OGLE-2019-BLG-0960Lb: The Smallest Microlensing Planet

We report the analysis of OGLE-2019-BLG-0960, which contains the smallest mass-ratio microlensing planet found to date (q = 1.2--1.6 x 10^{-5} at 1-sigma). Although there is substantial uncertainty in the satellite parallax measured by…

Earth and Planetary Astrophysics · Physics 2021-10-13 Jennifer C. Yee , Weicheng Zang , Andrzej Udalski , Yoon-Hyun Ryu , Jonathan Green , Steve Hennerley , Andrew Marmont , Takahiro Sumi , Shude Mao , Mariusz Gromadzki , Przemek Mróz , Jan Skowron , Radoslaw Poleski , Michał K. Szymański , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Cheongho Han , Kyu-Ha Hwang , Youn Kil Jung , Hyoun-Woo Kim , In-Gu Shin , Yossi Shvartzvald , Sang-Mok Cha , Dong-Jin Kim , Seung-Lee Kim , Chung-Uk Lee , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Etienne Bachelet , Grant Christie , Markus P. G. Hundertmark , Dan Maoz , Jennie McCormick , Tim Natusch , Matthew T. Penny , Rachel A. Street , Yiannis Tsapras , Charles A. Beichman , Geoffery Bryden , Sebastiano Calchi Novati , Sean Carey , B. Scott Gaudi , Calen B. Henderson , Samson Johnson , Wei Zhu , Ian A. Bond , Fumio Abe , Richard Barry , David P. Bennett , Aparna Bhattacharya , Martin Donachie , Hirosane Fujii , Akihiko Fukui , Yuki Hirao , Stela Ishitani Silva , Yoshitaka Itow , Rintaro Kirikawa , Iona Kondo , Naoki Koshimoto , Man Cheung Alex Li , Yutaka Matsubara , Yasushi Muraki , Shota Miyazaki , Greg Olmschenk , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Hikaru Shoji , Daisuke Suzuki , Yuzuru Tanaka , Paul J. Tristram , Tsubasa Yamawaki , Atsunori Yonehara

Measuring Polarization in microlensing events

We re-consider the polarization of the star light that may arise during microlensing events due to the high gradient of magnification across the atmosphere of the source star, by exploring the full range of microlensing and stellar physical…

Solar and Stellar Astrophysics · Physics 2015-06-23 G. Ingrosso , S. Calchi Novati , F. De Paolis , Ph. Jetzer , A. A. Nucita , F. Strafella

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-2017-BLG-0329L: A Microlensing Binary Characterized with Dramatically Enhanced Precision Using Data from Space-based Observations

Mass measurements of gravitational microlenses require one to determine the microlens parallax $\pie$, but precise $\pie$ measurement, in many cases, is hampered due to the subtlety of the microlens-parallax signal combined with the…

Solar and Stellar Astrophysics · Physics 2018-06-06 C. Han , S. Calchi Novati , A. Udalski , C. -U. Lee , A. Gould , V. Bozza , P. Mróz , P. Pietrukowicz , J. Skowron , M. K. Szymański , R. Poleski , I. Soszyński , S. Kozłowski , K. Ulaczyk , M. Pawlak , K. Rybicki , P. Iwanek , M. D. Albrow , S. -J. Chung , K. -H. Hwang , Y. K. Jung , 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 , D. -J. Lee , Y. Lee , B. -G. Park , R. W. Pogge , W. -T. Kim , C. Beichman , G. Bryden , S. Carey , B. S. Gaudi , C. B. Henderson , M. Dominik , C. Helling , M. Hundertmark , U. G. Jørgensen , P. Longa-Peña , S. Lowry , S. Sajadian , M. J. Burgdorf , J. Campbell-White , S. Ciceri , D. F. Evans , L. K. Haikala , T. C. Hinse , S. Rahvar , M. Rabus , C. Snodgrass

MOA-2019-BLG-008Lb: a new microlensing detection of an object at the planet/brown dwarf boundary

We report on the observations, analysis and interpretation of the microlensing event MOA-2019- BLG-008. The observed anomaly in the photometric light curve is best described through a binary lens model. In this model, the source did not…

Earth and Planetary Astrophysics · Physics 2022-08-17 E. Bachelet , Y. Tsapras , Andrew Gould , R. A. Street , David P. Bennett , M. P. G. Hundertmark , V. Bozza , D. M. Bramich , A. Cassan , M. Dominik , K. Horne , S. Mao , A. Saha , J. Wambsganss , Weicheng Zang , Fumio Abe , Richard Barry , Aparna Bhattacharya , Ian A. Bond , Akihiko Fukui , Hirosane Fujii , Yuki Hirao , Yoshitaka Itow , Rintaro Kirikawa , Naoki Koshimoto , Yutaka Matsubara , Sho Matsumoto , Shota Miyazaki , Yasushi Muraki , Greg Olmschenk , Clément Ranc , Arisa Okamura , Nicholas J. Rattenbury , Yuki Satoh , Takahiro Sumi , Daisuke Suzuki , Stela Ishitani Silva , Taiga Toda , Paul . J. Tristram , Aikaterini Vandorou , Hibiki Yama , Michael D. Albrow , Sun-Ju Chung , Cheongho Han , Kyu-Ha Hwang , Youn Kil Jung , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Jennifer C. Yee , Sang-Mok Cha , Dong-Jin Kim , Seung-Lee Kim , Chung-Uk Lee , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Andrzej Udalski , Przemek Mróz , Rados law Poleski , Jan Skowron , Micha l K. Szymański , Igor Soszyński , Pawe l Pietrukowicz , Szymon Kozlowski , Krzysztof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona , Mariusz Gromadzki

OGLE-2015-BLG-1771Lb: A Microlens Planet Orbiting an Ultracool Dwarf?

We report the discovery and the analysis of the short (tE < 5 days) planetary microlensing event, OGLE-2015-BLG-1771. The event was discovered by the Optical Gravitational Lensing Experiment (OGLE), and the planetary anomaly (at I ~ 19) was…

Earth and Planetary Astrophysics · Physics 2020-03-04 Xiangyu Zhang , Weicheng Zang , Andrzej Udalski , Andrew Gould , Yoon-Hyun Ryu , Tianshu Wang , Hongjing Yang , Shude Mao , Przemek Mróz , Jan Skowron , Radoslaw Poleski , Michał K. Szymański , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof Ulaczyk , Michael D. Albrow , Sun-Ju Chung , Cheongho Han , Kyu-Ha Hwang , Youn Kil Jung , In-Gu Shin , Yossi Shvartzvald , Jennifer C. Yee , Wei Zhu , 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

Terrestrial and Neptune mass free-floating planet candidates from the MOA-II 9-year Galactic Bulge survey

We report the discoveries of low-mass free-floating planet (FFP) candidates from the analysis of 2006-2014 MOA-II Galactic bulge survey data. In this dataset, we found 6,111 microlensing candidates and identified a statistical sample…

Earth and Planetary Astrophysics · Physics 2023-06-16 Naoki Koshimoto , Takahiro Sumi , David P. Bennett , Valerio Bozza , Przemek Mróz , Andrzej Udalski , Nicholas J. Rattenbury , Fumio Abe , Richard Barry , Aparna Bhattacharya , Ian A. Bond , Hirosane Fujii , Akihiko Fukui , Ryusei Hamada , Yuki Hirao , Stela Ishitani Silva , Yoshitaka Itow , Rintaro Kirikawa , Iona Kondo , Yutaka Matsubara , Shota Miyazaki , Yasushi Muraki , Greg Olmschenk , Clément Ranc , Yuki Satoh , Daisuke Suzuki , Mio Tomoyoshi , Paul J. Tristram , Aikaterini Vandorou , Hibiki Yama , Kansuke Yamashita