相关论文: An Earth-mass Planet in a 1-AU Orbit around an Ult…

OGLE-2011-BLG-0265Lb: a Jovian Microlensing Planet Orbiting an M Dwarf

We report the discovery of a Jupiter-mass planet orbiting an M-dwarf star that gave rise to the microlensing event OGLE-2011-BLG-0265. Such a system is very rare among known planetary systems and thus the discovery is important for…

地球与行星天体物理 · 物理学 2015-06-23 J. Skowron , I. -G. Shin , A. Udalski , C. Han , T. Sumi , Y. Shvartzvald , A. Gould , D. Dominis-Prester , R. A. Street , U. G. Jørgensen , D. P. Bennett , V. Bozza , M. K. Szymański , M. Kubiak , G. Pietrzyński , I. Soszyński , R. Poleski , S. Kozłowski , P. Pietrukowicz , K. Ulaczyk , Ł. Wyrzykowski , F. Abe , A. Bhattacharya , I. A. Bond , C. S. Botzler , M. Freeman , A. Fukui , D. Fukunaga , Y. Itow , C. H. Ling , N. Koshimoto , K. Masuda , Y. Matsubara , Y. Muraki , S. Namba , K. Ohnishi , L. C. Philpott , N. Rattenbury , T. Saito , D. J. Sullivan , D. Suzuki , P. J. Tristram , P. C. M. Yock , D. Maoz , S. Kaspi , M. Friedman , L. A. Almeida , V. Batista , G. Christie , J. -Y. Choi , D. L. DePoy , B. S. Gaudi , C. Henderson , K. -H. Hwang , F. Jablonski , Y. K. Jung , C. -U. Lee , J. McCormick , T. Natusch , H. Ngan , H. Park , R. W. Pogge , J. Yee , M. D. Albrow , E. Bachelet , J. -P. Beaulieu , S. Brillant , J. A. R. Caldwell , A. Cassan , A. Cole , E. Corrales , Ch. Coutures , S. Dieters , J. Donatowicz , P. Fouqué , J. Greenhill , N. Kains , S. R. Kane , D. Kubas , J. -B. Marquette , R. Martin , J. Menzies , K. R. Pollard , C. Ranc , K. C. Sahu , J. Wambsganss , A. Williams , D. Wouters , Y. Tsapras , D. M. Bramich , K. Horne , M. Hundertmark , C. Snodgrass , I. A. Steele , K. A. Alsubai , P. Browne , M. J. Burgdorf , S. Calchi Novati , P. Dodds , M. Dominik , S. Dreizler , X. -S. Fang , C. -H. Gu , Hardis , K. Harpsøe , F. V. Hessman , T. C. Hinse , A. Hornstrup , J. Jessen-Hansen , E. Kerins , C. Liebig , M. Lund , M. Lundkvist , L. Mancini , M. Mathiasen , M. T. Penny , S. Rahvar , D. Ricci , G. Scarpetta , J. Skottfelt , J. Southworth , J. Surdej , J. Tregloan-Reed , O. Wertz

Microlensing Discovery of a Tight, Low Mass-ratio Planetary-mass Object around an Old, Field Brown Dwarf

Observations of accretion disks around young brown dwarfs have led to the speculation that they may form planetary systems similar to normal stars. While there have been several detections of planetary-mass objects around brown dwarfs…

地球与行星天体物理 · 物理学 2015-06-16 C. Han , Y. K. Jung , A. Udalski , T. Sumi , B. S. Gaudi , A. Gould , D. P. Bennett , Y. Tsapras , M. K. Szymański , M. Kubiak , G. Pietrzyński , I. Soszyński , J. Skowron , S. Kozłowski , R. Poleski , K. Ulaczyk , Ł. Wyrzykowski , P. Pietrukowicz , F. Abe , I. A. Bond , C. S. Botzler , P. Chote , M. Freeman , A. Fukui , K. Furusawa , P. Harris , Y. Itow , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , K. Ohnishi , N. J. Rattenbury , To. Saito , D. J. Sullivan , W. L. Sweatman , D. Suzuki , P. J. Tristram , K. Wada , P. C. M. Yock , V. Batista , G. Christie , J. -Y. Choi , D. L. DePoy , Subo Dong , K. -H. Hwang , A. Kavka , C. -U. Lee , L. A. G. Monard , T. Natusch , H. Ngan , H. Park , R. W. Pogge , I. Porritt , I. -G. Shin , T. G. Tan , J. C. Yee , K. A. Alsubai , V. Bozza , D. M. Bramich , P. Browne , M. Dominik , K. Horne , M. Hundertmark , S. Ipatov , N. Kains , C. Liebig , C. Snodgrass , I. A. Steele , R. A. Street

OGLE-2016-BLG-1190Lb: First Spitzer Bulge Planet Lies Near the Planet/Brown-Dwarf Boundary

We report the discovery of OGLE-2016-BLG-1190Lb, which is likely to be the first Spitzer microlensing planet in the Galactic bulge/bar, an assignation that can be confirmed by two epochs of high-resolution imaging of the combined…

地球与行星天体物理 · 物理学 2018-01-10 Y. -H. Ryu , J. C. Yee , A. Udalski , I. A. Bond , Y. Shvartzvald , W. Zang , R. Figuera Jaimes , U. G. Jorgensen , W. Zhu , C. X. Huang , Y. K. Jung , M. D. Albrow , S. -J. Chung , A. Gould , C. Han , K. -H. Hwang , I. -G. Shin , 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 , S. Calchi Novati , S. Carey , C. B. Henderson , C. Beichman , B. S. Gaudi , P. Mróz , R. Poleski , J. Skowron , M. K. Szymanski , I. Soszynski , S. Kozlowski , P. Pietrukowicz , K. Ulaczyk , M. Pawlak , F. Abe , Y. Asakura , 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 , K. Masuda , Y. Matsubara , S. Miyazaki , Y. Muraki , M. Nagakane , K. Ohnishi , C. Ranc , N. J. Rattenbury , To. Saito , A. Sharan , D. J. Sullivan , T. Sumi , D. Suzuki , P. J. Tristram , T. Yamada , T. Yamada , A. Yonehara , G. Bryden , S. B. Howell , S. Jacklin , M. T. Penny , S. Mao , Pascal Fouque , T. Wang , R. A. Street , Y. Tsapras , M. Hundertmark , E. Bachelet , M. Dominik , Z. Li , S. Cross , A. Cassan , K. Horne , R. Schmidt , J. Wambsganss , S. K. Ment , D. Maoz , C. Snodgrass , I. A. Steele , V. Bozza , M. J. Burgdorf , S. Ciceri , G. D'Ago , D. F. Evans , T. C. Hinse , E. Kerins , R. Kokotanekova , P. Longa , J. MacKenzie , A. Popovas , M. Rabus , S. Rahvar , S. Sejadian , J. Skottfelt , J. Southworth , C. von Essen

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…

地球与行星天体物理 · 物理学 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

OGLE-2017-BLG-1434Lb: Eighth q < 1 * 10^-4 Mass-Ratio Microlens Planet Confirms Turnover in Planet Mass-Ratio Function

We report the discovery of a cold Super-Earth planet (m_p=4.4 +/- 0.5 M_Earth) orbiting a low-mass (M=0.23 +/- 0.03 M_Sun) M dwarf at projected separation a_perp = 1.18 +/- 0.10 AU, i.e., about 1.9 times the snow line. The system is quite…

地球与行星天体物理 · 物理学 2018-10-24 A. Udalski , Y. -H. Ryu , S. Sajadian , A. Gould , P. Mróz , R. Poleski , M. K. Szymański , J. Skowron , I. Soszyński , S. Kozłowski , P. Pietrukowicz , K. Ulaczyk , M. Pawlak , K. Rybicki , P. Iwanek , M. D. Albrow , S. -J. Chung , C. Han , K. -H. Hwang , Y. K. Jung , 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 , V. Bozza , M. Dominik , C. Helling , M. Hundertmark , U. G. Jørgensen , P. Longa-Peña , S. Lowry , M. Burgdorf , J. Campbell-White , S. Ciceri , D. Evans , R. Figuera Jaimes , Y. I. Fujii , L. K. Haikala , T. Henning , T. C. Hinse , L. Mancini , N. Peixinho , S. Rahvar , M. Rabus , J. Skottfelt , C. Snodgrass , J. Southworth , C. von Essen

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…

地球与行星天体物理 · 物理学 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-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…

地球与行星天体物理 · 物理学 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-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…

地球与行星天体物理 · 物理学 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-2013-BLG-0132Lb and OGLE-2013-BLG-1721Lb: Two Saturn-mass Planets Discovered around M-dwarfs

We present the discovery of two planetary systems consisting of a Saturn-mass planet orbiting an M-dwarf, which were detected in faint microlensing events OGLE-2013-BLG-0132 and OGLE-2013-BLG-1721. The planetary anomalies were covered with…

地球与行星天体物理 · 物理学 2017-11-08 Przemek Mroz , A. Udalski , I. A. Bond , J. Skowron , T. Sumi , C. Han , M. K. Szymanski , I. Soszynski , R. Poleski , P. Pietrukowicz , S. Kozlowski , L. Wyrzykowski , K. Ulaczyk , F. Abe , Y. Asakura , R. K. Barry , D. P. Bennett , A. Bhattacharya , M. Donachie , P. Evans , 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 , C. Ranc , N. J. Rattenbury , To. Saito , A. Sharan , D. J. Sullivan , D. Suzuki , P. J. Tristram , T. Yamada , T. Yamada , A. Yonehara

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…

太阳与恒星天体物理 · 物理学 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

OGLE-2017-BLG-1522: A giant planet around a brown dwarf located in the Galactic bulge

We report the discovery of a giant planet in the OGLE-2017-BLG-1522 microlensing event. The planetary perturbations were clearly identified by high-cadence survey experiments despite the relatively short event timescale of $t_{\rm E} \sim…

地球与行星天体物理 · 物理学 2018-05-16 Y. K. Jung , A. Udalski , A. Gould , Y. -H. Ryu , J. C. Yee , C. Han , M. D. Albrow , C. -U. Lee , S. -L. Kim , K. -H. Hwang , S. -J. Chung , I. -G. Shin , W. Zhu , S. -M. Cha , D. -J. Kim , Y. Lee , B. -G. Park , D. -J. Lee , H. -W. Kim , R. W. Pogge , M. K. Szymański , P. Mróz , R. Poleski , J. Skowron , P. Pietrukowicz , I. Soszyński , S. Kozłowski , K. Ulaczyk , M. Pawlak , K. Rybicki

OGLE-2012-BLG-0563Lb: a Saturn-mass Planet around an M Dwarf with the Mass Constrained by Subaru AO imaging

We report the discovery of a microlensing exoplanet OGLE-2012-BLG-0563Lb with the planet-star mass ratio ~1 x 10^{-3}. Intensive photometric observations of a high-magnification microlensing event allow us to detect a clear signal of the…

地球与行星天体物理 · 物理学 2016-01-27 A. Fukui , A. Gould , T. Sumi , D. P. Bennett , I. A. Bond , C. Han , D. Suzuki , J. -P. Beaulieu , V. Batista , A. Udalski , R. A. Street , Y. Tsapras , M. Hundertmark , F. Abe , A. Bhattacharya , M. Freeman , Y. Itow , C. H. Ling , N. Koshimoto , K. Masuda , Y. Matsubara , Y. Muraki , K. Ohnishi , L. C. Philpott , N. Rattenbury , T. Saito , D. J. Sullivan , P. J. Tristram , A. Yonehara , J. -Y. Choi , G. W. Christie , D. L. DePoy , Subo Dong , J. Drummond , B. S. Gaudi , K. -H. Hwang , A. Kavka , C. U. Lee , J. McCormick , T. Natusch , H. Ngan , H. Park , R. W. Pogge , I-G. Shin , T. -G. Tan , J. C. Yee , M. K. Szymański , G. Pietrzyński , I. Soszyński , R. Poleski , S. Kozłowski , P. Pietrukowicz , K. Ulaczyk , Ł. Wyrzykowski D. M. Bramich , P. Browne , M. Dominik , K. Horne , S. Ipatov , N. Kains , C. Snodgrass , I. A. Steele

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…

地球与行星天体物理 · 物理学 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

The Lowest Mass Ratio Planetary Microlens: OGLE 2016-BLG-1195Lb

We report discovery of the lowest mass ratio exoplanet to be found by the microlensing method in the light curve of the event OGLE~2016--BLG--1195. This planet revealed itself as a small deviation from a microlensing single lens profile…

地球与行星天体物理 · 物理学 2017-06-21 I. A. Bond , D. P. Bennett , T. Sumi , A. Udalski , D. Suzuki , N. J. Rattenbury , V. Bozza , N. Koshimoto , F. Abe , Y. Asakura , R. K. Barry , A. Bhattacharya , M. Donachie , P. Evans , A. Fukui , Y. Hirao , Y. Itow , M. C. A. Li , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , M. Nagakane , K. Ohnishi , C. Ranc , To. Saito , A. Sharan , D. J. Sullivan , P. J. Tristram , T. Yamada , T. Yamada , A. Yonehara , J. Skowron , M. K. Szymanski , R. Poleski , P. Mroz , I. Soszynski , P. Pietrukowicz , S. Kozlowski , K. Ulaczyk , M. Pawlak

$Spitzer$ Parallax of OGLE-2018-BLG-0596: A Low-mass-ratio Planet around an M-dwarf

We report the discovery of a $Spitzer$ microlensing planet OGLE-2018-BLG-0596Lb, with preferred planet-host mass ratio $q \sim 2\times10^{-4}$. The planetary signal, which is characterized by a short $(\sim 1~{\rm day})$ "bump" on the…

地球与行星天体物理 · 物理学 2019-06-26 Youn Kil Jung , Andrew Gould , Andrzej Udalski , Takahiro Sumi , Jennifer C. Yee , Yossi Shvartzvald , Weicheng Zang , Cheongho Han , Michael D. Albrow , Sun Ju Chung , Kyu-Ha Hwang , Yoon-Hyun Ryu , In-Gu Shin , 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 , Przemek Mróz , Michał K. Szymański , Jan Skowron , Radek Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzystof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona , Charles A. Beichman , Geoffery Bryden , Sebastiano Calchi Novati , Sean Carey , B. Scott Gaudi , Calen B. Henderson , 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 , Savannah Jacklin , Matthew T. Penny , Keivan G. Stassun

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…

地球与行星天体物理 · 物理学 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

KMT-2018-BLG-0748Lb: Sub-Saturn Microlensing Planet Orbiting an Ultracool Host

We announce the discovery of a microlensing planetary system, in which a sub-Saturn planet is orbiting an ultracool dwarf host. We detect the planetary system by analyzing the short-timescale ($t_{\rm E}\sim 4.4$~days) lensing event…

地球与行星天体物理 · 物理学 2020-07-13 Cheongho Han , In-Gu Shin , Youn Kil Jung , Doeon Kim , Jennifer C. Yee , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Chung-Uk Lee , Yoon-Hyun Ryu , Yossi Shvartzvald , Weicheng Zang , Sang-Mok Cha , Dong-Jin Kim , Hyoun-Woo Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge

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…

地球与行星天体物理 · 物理学 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

OGLE-2017-BLG-0482Lb: A Microlensing Super-Earth Orbiting a Low-mass Host Star

We report the discovery of a planetary system in which a super-earth orbits a late M-dwarf host. The planetary system was found from the analysis of the microlensing event OGLE-2017-BLG-0482, wherein the planet signal appears as a…

地球与行星天体物理 · 物理学 2018-05-02 C. Han , Y. Hirao , A. Udalski , C. -U. Lee , V. Bozza , A. Gould , F. Abe , R. Barry , I. A. Bond , D. P. Bennett , A. Bhattacharya , M. Donachie , P. Evans , A. Fukui , 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 , P. Mróz , R. Poleski , S. Kozłowski , I. Soszyński , P. Pietrukowicz , J. Skowron , M. K. Szymańsk , K. Ulaczyk , M. Pawlak , K. Rybicki , P. Iwanek , M. D. Albrow , S. -J. Chung , K. -H. Hwang , Y. K. Jung , D. Kim , W. -T. Kim , H. -W. Kim , Y. -H. Ryu , I. -G. Shin , Y. Shvartzvald , J. C. Yee , W. Zhu , S. -M. Cha , S. -L. Kim , D. -J. Kim , D. -J. Lee , Y. Lee , B. -G. Park , R. W. Pogge

$Spitzer$ Microlensing Parallax for OGLE-2017-BLG-0896 Reveals a Counter-Rotating Low-Mass Brown Dwarf

The kinematics of isolated brown dwarfs in the Galaxy, beyond the solar neighborhood, is virtually unknown. Microlensing has the potential to probe this hidden population, as it can measure both the mass and five of the six phase-space…

太阳与恒星天体物理 · 物理学 2019-02-20 Yossi Shvartzvald , Jennifer C. Yee , Jan Skowron , Chung-Uk Lee , Andrzej Udalski , Sebastiano Calchi Novati , Valerio Bozza , Charles A. Beichman , Geoffery Bryden , Sean Carey , B. Scott Gaudi , Calen B. Henderson , Wei Zhu , Etienne Bachelet , Greg Bolt , Grant Christie , Dan Maoz , Tim Natusch , Richard W. Pogge , Rachel A. Street , Thiam-Guan Tan , Yiannis Tsapras , Paweł Pietrukowicz , Igor Soszyński , Michał K. Szymański , Przemek Mróz , Radoslaw Poleski , Szymon Kozłowski , Krzysztof Ulaczyk , Michał Pawlak , Krzysztof A. Rybicki , Patryk Iwanek , Michael D. Albrow , Sang-Mok Cha , Sun-Ju Chung , Andrew Gould , Cheongho Han , Kyu-Ha Hwang , Youn Kil Jung , Dong-Jin Kim , Hyoun-Woo Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Yoon-Hyun Ryu , In-Gu Shin , Weicheng Zang , Martin Dominik , Christiane Helling , Markus Hundertmark , Uffe G. Jørgensen , Penelope Longa-Peña , Stephen Lowry , Sedighe Sajadian , Martin J. Burgdorf , Justyn Campbell-White , Simona Ciceri , Daniel F. Evans , Yuri I. Fujii , Tobias C. Hinse , Sohrab Rahvar , Markus Rabus , Jesper Skottfelt , Colin Snodgrass , John Southworth