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Browsing by Author "Udalski, Andrzej"

Browsing by Author "Udalski, Andrzej"

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  • Candidate Brown-dwarf Microlensing Events with Very Short Timescales and Small Angular Einstein Radii 
    Han, Cheongho; Lee, Chung-Uk; Udalski, Andrzej; Gould, Andrew; Bond, Ian A.; Bozza, Valerio; Albrow, Michael D.; Chung, Sun-Ju; Hwang, Kyu-Ha; Jung, Youn Kil; Ryu, Yoon-Hyun; Shin, In-Gu; Shvartzvald, Yossi; Yee, Jennifer C.; Zang, Weicheng; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; Jee, M. James; Kim, Doeon; KMTNet Collaboration; Mróz, Przemek; Szymanski, Michal K.; Skowron, Jan; Poleski, Radek; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Rybicki, Krzysztof A.; Iwanek, Patryk; Wrona, Marcin; OGLE Collaboration; Abe, Fumio; Barry, Richard; Bennett, David P.; Bhattacharya, Aparna; Donachie, Martin; Fujii, Hirosane; Fukui, Akihiko; Itow, Yoshitaka; Hirao, Yuki; Kamei, Yuhei; Kondo, Iona; Koshimoto, Naoki; Li, Man Cheung Alex; Matsubara, Yutaka; Muraki, Yasushi; Miyazaki, Shota; Nagakane, Masayuki; Ranc, Clément; Rattenbury, Nicholas J.; Satoh, Yuki; Shoji, Hikaru; Suematsu, Haruno; Sullivan, Denis J.; Sumi, Takahiro; Suzuki, Daisuke; Tristram, Paul J.; Yamakawa, Takeharu; Yamawaki, Tsubasa; Yonehara, Atsunori; MOA Collaboration (2020)
    Short-timescale microlensing events are likely to be produced by substellar brown dwarfs (BDs), but it is difficult to securely identify BD lenses based on only event timescales ${t}_{{\rm{E}}} because short- timescale ...
  • Dynamical modelling of CXOGBS J175553.2-281633: a 10 h long orbital period cataclysmic variable 
    Gomez, Sebastian; Torres, Manuel A. P.; Jonker, Peter G.; Kostrzewa-Rutkowska, Zuzanna; van Grunsven, Theo F. J.; Udalski, Andrzej; Hynes, Robert I.; Heinke, Craig O.; Maccarone, Thomas J.; Salinas, Ricardo; Strader, Jay (2021)
    We present modelling of the long-term optical light and radial velocity curves of the binary stellar system CXOGBS J175553.2-281633, first detected in X-rays in the Chandra Galactic Bulge Survey. We analysed 7 yr of optical ...
  • Four microlensing planets with faint-source stars identified in the 2016 and 2017 season data 
    Han, Cheongho; Udalski, Andrzej; Kim, Doeon; Jung, Youn Kil; Ryu, Yoon-Hyun; KMTNet Collaboration; Albrow, Michael D.; Chung, Sun-Ju; Gould, Andrew; Hwang, Kyu-Ha; Lee, Chung-Uk; Shin, In-Gu; Shvartzvald, Yossi; Yee, Jennifer C.; Zang, Weicheng; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; Kim, Chun-Hwey; Kim, Woong-Tae; OGLE Collaboration; Mróz, Przemek; Szymanski, Michal K.; Skowron, Jan; Poleski, Radek; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Rybicki, Krzysztof A.; Iwanek, Patryk; Wrona, Marcin (2020)
    <br/> Aims: Microlensing planets occurring on faint-source stars can escape detection due to their weak signals. Occasionally, detections of such planets are not reported due to the difficulty of extracting high-profile ...
  • A Free-floating or Wide-orbit Planet in the Microlensing Event OGLE-2019-BLG-0551 
    Mróz, Przemek; Poleski, Radoslaw; Han, Cheongho; Udalski, Andrzej; Gould, Andrew; Szymanski, Michal K.; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Skowron, Jan; Ulaczyk, Krzysztof; Gromadzki, Mariusz; Rybicki, Krzysztof; Iwanek, Patryk; Wrona, Marcin; OGLE Collaboration; Albrow, Michael D.; Chung, Sun-Ju; Hwang, Kyu-Ha; Ryu, Yoon-Hyun; Jung, Youn Kil; Shin, In-Gu; Shvartzvald, Yossi; Yee, Jennifer C.; Zang, Weicheng; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; KMT Collaboration (2020)
    High-cadence observations of the Galactic bulge by the microlensing surveys led to the discovery of a handful of extremely short-timescale microlensing events that can be attributed to free-floating or wide- orbit planets. ...
  • An Isolated Stellar-mass Black Hole Detected through Astrometric Microlensing 
    Sahu, Kailash C.; Anderson, Jay; Casertano, Stefano; Bond, Howard E.; Udalski, Andrzej; Dominik, Martin; Calamida, Annalisa; Bellini, Andrea; Brown, Thomas M.; Rejkuba, Marina; Bajaj, Varun; Kains, Noé; Ferguson, Henry C.; Fryer, Chris L.; Yock, Philip; Mróz, Przemek; Kozlowski, Szymon; Pietrukowicz, Pawel; Poleski, Radek; Skowron, Jan; Soszynski, Igor; Szymanski, Michal K.; Ulaczyk, Krzysztof; Wyrzykowski, Lukasz; Barry, Richard K.; Bennett, David P.; Bond, Ian A.; Hirao, Yuki; Silva, Stela Ishitani; Kondo, Iona; Koshimoto, Naoki; Ranc, Clément; Rattenbury, Nicholas J.; Sumi, Takahiro; Suzuki, Daisuke; Tristram, Paul J.; Vandorou, Aikaterini; Beaulieu, Jean-Philippe; Marquette, Jean-Baptiste; Cole, Andrew; Fouqué, Pascal; Hill, Kym; Dieters, Stefan; Coutures, Christian; Dominis-Prester, Dijana; Bennett, Clara; Bachelet, Etienne; Menzies, John; Albrow, Michael; Pollard, Karen; Gould, Andrew; Yee, Jennifer C.; Allen, William; Almeida, Leonardo A.; Christie, Grant; Drummond, John; Gal-Yam, Avishay; Gorbikov, Evgeny; Jablonski, Francisco; Lee, Chung-Uk; Maoz, Dan; Manulis, Ilan; McCormick, Jennie; Natusch, Tim; Pogge, Richard W.; Shvartzvald, Yossi; Jørgensen, Uffe G.; Alsubai, Khalid A.; Andersen, Michael I.; Bozza, Valerio; Novati, Sebastiano Calchi; Burgdorf, Martin; Hinse, Tobias C.; Hundertmark, Markus; Husser, Tim-Oliver; Kerins, Eamonn; Longa-Peña, Penelope; Mancini, Luigi; Penny, Matthew; Rahvar, Sohrab; Ricci, Davide; Sajadian, Sedighe; Skottfelt, Jesper; Snodgrass, Colin; Southworth, John; Tregloan-Reed, Jeremy; Wambsganss, Joachim; Wertz, Olivier; Tsapras, Yiannis; Street, Rachel A.; Bramich, D. M.; Horne, Keith; Steele, Iain A.; RoboNet Collaboration (2022)
    We report the first unambiguous detection and mass measurement of an isolated stellar-mass black hole (BH). We used the Hubble Space Telescope (HST) to carry out precise astrometry of the source star of the long-duration ...
  • KMT-2017-BLG-2820 and the Nature of the Free-floating Planet Population 
    Ryu, Yoon-Hyun; Mróz, Przemek; Gould, Andrew; Hwang, Kyu-Ha; Kim, Hyoun-Woo; Yee, Jennifer C.; Albrow, Michael D.; Chung, Sun-Ju; Jung, Youn Kil; Shin, In-Gu; Shvartzvald, Yossi; Zang, Weicheng; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Han, Cheongho; Pogge, Richard W.; KMTNet Collaboration; Udalski, Andrzej; Poleski, Radek; Skowron, Jan; Szymanski, Michal K.; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Rybicki, Krzysztof A.; Iwanek, Patryk; OGLE Collaboration (2021)
    We report a new free-floating planet (FFP) candidate, KMT-2017-BLG-2820, with Einstein radius ?<SUB>E</SUB> ? 6 µas, lens-source relative proper motion µ<SUB>rel</SUB> ? 8 mas yr<SUP>-1</SUP>, and Einstein timescale ...
  • KMT-2019-BLG-0842Lb: A Cold Planet below the Uranus/Sun Mass Ratio 
    Jung, Youn Kil; Udalski, Andrzej; Zang, Weicheng; Bond, Ian A.; Yee, Jennifer C.; Han, Cheongho; Albrow, Michael D.; Chung, Sun-Ju; Gould, Andrew; Hwang, Kyu-Ha; Ryu, Yoon-Hyun; Shin, In-Gu; Shvartzvald, Yossi; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; KMTNet Collaboration; Mróz, Przemek; Szymanski, Michal K.; Skowron, Jan; Poleski, Radek; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Rybicki, Krzysztof A.; Iwanek, Patryk; Wrona, Marcin; OGLE Collaboration; Abe, Fumio; Barry, Richard; Bennett, David P.; Bhattacharya, Aparna; Donachie, Martin; Fujii, Hirosame; Fukui, Akihiko; Hirao, Yuki; Itow, Yoshitaka; Kamei, Yukei; Kondo, Iona; Koshimoto, Naoki; Li, Man Cheung Alex; Matsubara, Yutaka; Miyazaki, Shota; Muraki, Yasushi; Nagakane, Masayuki; Ranc, Clément; Rattenbury, Nicholas J.; Satoh, Yuki; Shoji, Hikaru; Suematsu, Haruno; Sullivan, Denis J.; Sumi, Takahiro; Suzuki, Daisuke; Tristram, Paul J.; Yamakawa, Takeharu; Yamamwaki, Tsubasa; Yonehara, Atsunori; MOA Collaboration (2020)
    We report the discovery of a cold planet with a very low planet/host mass ratio of q = (4.09 ± 0.27) × 10<SUP>-5</SUP>, which is similar to the ratio of Uranus/Sun (q = 4.37 × 10<SUP>-5</SUP>) in the solar system. The ...
  • KMT-2019-BLG-1339L: An M Dwarf with a Giant Planet or a Companion near the Planet/Brown Dwarf Boundary 
    Han, Cheongho; Kim, Doeon; Udalski, Andrzej; Gould, Andrew; Albrow, Michael D.; Chung, Sun-Ju; Hwang, Kyu-Ha; Jung, Youn Kil; Lee, Chung-Uk; Ryu, Yoon-Hyun; Shin, In-Gu; Shvartzvald, Yossi; Yee, Jennifer C.; Zang, Weicheng; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; KMTNet Collaboration; Mróz, Przemek; Szymanski, Michal K.; Skowron, Jan; Poleski, Radoslaw; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Rybicki, Krzysztof A.; Iwanek, Patryk; Wrona, Marcin; Gromadzki, Mariusz; OGLE Collaboration (2020)
    We analyze KMT-2019-BLG-1339, a microlensing event with an obvious but incompletely resolved brief anomaly feature around the peak of the light curve. Although the origin of the anomaly is identified to be a companion to ...
  • KMT-2019-BLG-1715: Planetary Microlensing Event with Three Lens Masses and Two Source Stars 
    Han, Cheongho; Udalski, Andrzej; Kim, Doeon; Kil Jung, Youn; Lee, Chung-Uk; Bond, Ian A.; Albrow, Michael D.; Chung, Sun-Ju; Gould, Andrew; Hwang, Kyu-Ha; Kim, Hyoun-Woo; Ryu, Yoon-Hyun; Shin, In-Gu; Shvartzvald, Yossi; Zang, Weicheng; Yee, Jennifer C.; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Seung-Lee; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; Kim, Chun-Hwey; Kim, Woong-Tae; KMTNet Collaboration; Mróz, Przemek; Szymanski, Michal K.; Skowron, Jan; Poleski, Radek; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Rybicki, Krzysztof A.; Iwanek, Patryk; Wrona, Marcin; Gromadzki, Mariusz; OGLE Collaboration; Abe, Fumio; Barry, Richard; Bennett, David P.; Bhattacharya, Aparna; Donachie, Martin; Fujii, Hirosane; Fukui, Akihiko; Itow, Yoshitaka; Hirao, Yuki; Kirikawa, Rintaro; Kondo, Iona; Cheung Alex Li, Man; Matsubara, Yutaka; Muraki, Yasushi; Miyazaki, Shota; Ranc, Clément; Rattenbury, Nicholas J.; Satoh, Yuki; Shoji, Hikaru; Suematsu, Haruno; Sumi, Takahiro; Suzuki, Daisuke; Tanaka, Yuzuru; Tristram, Paul J.; Yamakawa, Takeharu; Yamawaki, Tsubasa; Yonehara, Atsunori; MOA Collaboration (2021)
    We investigate the gravitational microlensing event KMT-2019-BLG-1715, the light curve of which shows two short-term anomalies from a caustic-crossing binary-lensing light curve: one with a large deviation and the other ...
  • OGLE-2013-BLG-0911Lb: A Secondary on the Brown-dwarf Planet Boundary around an M Dwarf 
    Miyazaki, Shota; Sumi, Takahiro; Bennett, David P.; Udalski, Andrzej; Shvartzvald, Yossi; Street, Rachel; Bozza, Valerio; Yee, Jennifer C.; Bond, Ian A.; Rattenbury, Nicholas; Koshimoto, Naoki; Suzuki, Daisuke; Fukui, Akihiko; Abe, F.; Bhattacharya, A.; Barry, R.; Donachie, M.; Fujii, H.; Hirao, Y.; Itow, Y.; Kamei, Y.; Kondo, I.; Li, M. C. A.; Ling, C. H.; Matsubara, Y.; Matsuo, T.; Muraki, Y.; Nagakane, M.; Ohnishi, K.; Ranc, C.; Saito, T.; Sharan, A.; Shibai, H.; Suematsu, H.; Sullivan, D. J.; Tristram, P. J.; Yamakawa, T.; Yonehara, A.; Skowron, J.; Poleski, R.; Mróz, P.; Szymanski, M. K.; Soszynski, I.; Pietrukowicz, P.; KozLowski, S.; Ulaczyk, K.; Wyrzykowski, L; Friedmann, Matan; Kaspi, Shai; Maoz, Dan; Wise Team; Albrow, M.; Christie, G.; DePoy, D. L.; Gal-Yam, A.; Gould, A.; Lee, C. -U; Manulis, I.; McCormick, J.; Natusch, T.; Ngan, H.; Pogge, R. W.; Porritt, I.; Tsapras, Y.; Bachelet, E.; Hundertmark, M. P. G.; Dominik, M.; Bramich, D. M.; Cassan, A.; Jaimes, R. Figuera; Horne, K.; Schmidt, R.; Snodgrass, C.; Wambsganss, J.; Steele, I. A.; Menzies, J.; Mao, S.; Jørgensen, U. G.; Burgdorf, M. J.; Ciceri, S.; Novati, S. Calchi; D'Ago, G.; Evans, D. F.; Hinse, T. C.; Kains, N.; Kerins, E.; Korhonen, H.; Mancini, L.; Popovas, A.; Rabus, M.; Rahvar, S.; Scarpetta, G.; Skottfelt, J.; Southworth, J.; D'Ago, G.; Peixinho, N.; Verma, P. (2020)
    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 et al. The event suffers ...
  • OGLE-2014-BLG-0962 and a Comparison of Galactic Model Priors to Microlensing Data 
    Shan, Yutong; Yee, Jennifer C.; Udalski, Andrzej; Bond, Ian A.; Shvartzvald, Yossi; Shin, In-Gu; Jung, Youn-Kil; Calchi Novati, Sebastiano; Beichman, Charles A.; Carey, Sean; Gaudi, B. Scott; Gould, Andrew; Pogge, Richard W.; Spitzer Team; Poleski, Radoslaw; Skowron, Jan; Kozlowski, Szymon; Mróz, Przemyslaw; Pietrukowicz, Pawel; Szymanski, Michal K.; Soszynski, Igor; Ulaczyk, Krzysztof; Wyrzykowski, Lukasz; The OGLE Collaboration; Abe, Fumio; Barry, Richard K.; Bennett, David P.; Bhattacharya, Aparna; Donachie, Martin; Fukui, Akihiko; Hirao, Yuki; Itow, Yoshitaka; Kawasaki, Kohei; Kondo, Iona; Koshimoto, Naoki; Li, Man Cheung Alex; Matsubara, Yutaka; Muraki, Yasushi; Miyazaki, Shota; Nagakane, Masayuki; Ranc, Clément; Rattenbury, Nicholas J.; Suematsu, Haruno; Sullivan, Denis J.; Sumi, Takahiro; Suzuki, Daisuke; Tristram, Paul J.; Yonehara, Atsunori; The MOA Collaboration; Maoz, Dan; Kaspi, Shai; Friedmann, Matan; The Wise Group (2019)
    OGLE-2014-BLG-0962 (OB140962) is a stellar binary microlensing event that was well covered by observations from the Spitzer satellite as well as ground-based surveys. Modeling yields a unique physical solution: a mid-M+M-dwarf ...
  • OGLE-2015-BLG-1670Lb: A Cold Neptune beyond the Snow Line in the Provisional WFIRST Microlensing Survey Field 
    Ranc, Clément; Bennett, David P.; Hirao, Yuki; Udalski, Andrzej; Han, Cheongho; Bond, Ian A.; Yee, Jennifer C.; Albrow, Michael D.; Chung, Sun-Ju; Gould, Andrew; Hwang, Kyu-Ha; Jung, Youn-Kil; Ryu, Yoon-Hyun; Shin, In-Gu; Shvartzvald, Yossi; Zang, Weicheng; Zhu, Wei; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yong-Seok; Park, Byeong-Gon; Pogge, Richard W.; Abe, Fumio; Barry, Richard K.; Bhattacharya, Aparna; Donachie, Martin; Fukui, Akihiko; Itow, Yoshitaka; Kawasaki, Kohei; Kondo, Iona; Koshimoto, Naoki; Li, Man Cheung Alex; Matsubara, Yutaka; Miyazaki, Shota; Muraki, Yasushi; Nagakane, Masayuki; Rattenbury, Nicholas J.; Suematsu, Haruno; Sullivan, Denis J.; Sumi, Takahiro; Suzuki, Daisuke; Tristram, Paul J.; Yonehara, Atsunori; Poleski, Radoslaw; Mróz, Przemek; Skowron, Jan; Szymanski, Michal K.; Soszynski, Igor; Kozlowski, Szymon; Pietrukowicz, Pawel; Ulaczyk, Krzysztof (2019)
    We present the analysis of the microlensing event OGLE-2015-BLG-1670, detected in a high-extinction field very close to the Galactic plane. Due to the dust extinction along the line of sight, this event was too faint to ...
  • OGLE-2015-BLG-1771Lb: A Microlens Planet Orbiting an Ultracool Dwarf? 
    Zhang, Xiangyu; Zang, Weicheng; Udalski, Andrzej; Gould, Andrew; Ryu, Yoon-Hyun; Wang, Tianshu; Yang, Hongjing; Mao, Shude; Mróz, Przemek; Skowron, Jan; Poleski, Radoslaw; Szymanski, Michal K.; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Albrow, Michael D.; Chung, Sun-Ju; Han, Cheongho; Hwang, Kyu-Ha; Jung, Youn Kil; Shin, In-Gu; Shvartzvald, Yossi; Yee, Jennifer C.; Zhu, Wei; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W. (2020)
    We report the discovery and the analysis of the short ( ${t}_{{\rm{E}}}\lt 5$ days) planetary microlensing event, OGLE-2015-BLG-1771. The event was discovered by the Optical Gravitational Lensing Experiment, and the planetary ...
  • OGLE-2016-BLG-0156: Microlensing Event with Pronounced Microlens-parallax Effects Yielding a Precise Lens Mass Measurement 
    Jung, Youn Kil; Han, Cheongho; Bond, Ian A.; Udalski, Andrzej; Gould, Andrew; Albrow, Michael D.; Chung, Sun-Ju; Hwang, Kyu-Ha; Lee, Chung-Uk; Ryu, Yoon-Hyun; Shin, In-Gu; Shvartzvald, Yossi; Yee, Jennifer C.; Jee, M. James; Kim, Doeon; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; The KMTNet Collaboration; Abe, Fumio; Barry, Richard; Bennett, David P.; Bhattacharya, Aparna; Donachie, Martin; Fukui, Akihiko; Hirao, Yuki; Itow, Yoshitaka; Kawasaki, Kohei; Kondo, Iona; Koshimoto, Naoki; Li, Man Cheung Alex; Matsubara, Yutaka; Muraki, Yasushi; Miyazaki, Shota; Nagakane, Masayuki; Ranc, Clément; Rattenbury, Nicholas J.; Suematsu, Haruno; Sullivan, Denis J.; Sumi, Takahiro; Suzuki, Daisuke; Tristram, Paul J.; Yonehara, Atsunori; The MOA Collaboration; Mróz, Przemek; Poleski, Radek; Skowron, Jan; Szymanski, Michal K.; Soszynski, Igor; Kozlowski, Szymon; Pietrukowicz, Pawel; Ulaczyk, Krzysztof; Pawlak, Michal; THE OGLE COLLABORATION (2019)
    We analyze the gravitational binary-lensing event OGLE-2016-BLG-0156, for which the lensing light curve displays pronounced deviations induced by microlens-parallax effects. The light curve exhibits three distinctive widely ...
  • OGLE-2016-BLG-1093Lb: A Sub-Jupiter-mass Spitzer Planet Located in the Galactic Bulge 
    Shin, In-Gu; Yee, Jennifer C.; Hwang, Kyu-Ha; Gould, Andrew; Udalski, Andrzej; Bond, Ian A.; Albrow, Michael D.; Chung, Sun-Ju; Han, Cheongho; Kil Jung, Youn; Woo Kim, Hyoun; Ryu, Yoon-Hyun; Shvartzvald, Yossi; Zang, Weicheng; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; Mróz, Przemek; Szymanski, Michal K.; Skowron, Jan; Poleski, Radek; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Beichman, Charles A.; Bryden, Geoffery; Calchi Novati, Sebastiano; Carey, Sean; Gaudi, B. Scott; Henderson, Calen B.; Zhu, Wei; Abe, Fumio; Barry, Richard K.; Bennett, David P.; Bhattacharya, Aparna; Fujii, Hirosane; Fukui, Akihiko; Hirao, Yuki; Itow, Yoshitaka; Kirikawa, Rintaro; Koshimoto, Naoki; Kondo, Iona; Matsubara, Yutaka; Matsumoto, Sho; Miyazaki, Shota; Muraki, Yasushi; Olmschenk, Greg; Okamura, Arisa; Ranc, Clément; Rattenbury, Nicholas J.; Satoh, Yuki; Silva, Stela Ishitani; Sumi, Takahiro; Suzuki, Daisuke; Toda, Taiga; Tristram, Paul J.; Vandorou, Aikaterini; Yama, Hibiki; The MOA Collaboration (2022)
    OGLE-2016-BLG-1093 is a planetary microlensing event that is part of the statistical Spitzer microlens parallax sample. The precise measurement of the microlens parallax effect for this event, combined with the measurement ...
  • OGLE-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet Orbiting M-dwarf Host in the Inner Galactic Disk 
    Hirao, Yuki; Bennett, David P.; Ryu, Yoon-Hyun; Koshimoto, Naoki; Udalski, Andrzej; Yee, Jennifer C.; Sumi, Takahiro; Bond, Ian A.; Shvartzvald, Yossi; Abe, Fumio; Barry, Richard K.; Bhattacharya, Aparna; Donachie, Martin; Fukui, Akihiko; Itow, Yoshitaka; Kondo, Iona; Li, Man Cheung Alex; Matsubara, Yutaka; Matsuo, Taro; Miyazaki, Shota; Muraki, Yasushi; Nagakane, Masayuki; Ranc, Clément; Rattenbury, Nicholas J.; Suematsu, Haruno; Shibai, Hiroshi; Suzuki, Daisuke; Tristram, Paul J.; Yonehara, Atsunori; MOA Collaboration; Skowron, J.; Poleski, R.; Mróz, P.; Szymanski, M. K.; Soszynski, I.; Kozlowski, S.; Pietrukowicz, P.; Ulaczyk, K.; Rybicki, K.; Iwanek, P.; OGLE Collaboration; Albrow, Michael D.; Chung, Sun-Ju; Gould, Andrew; Han, Cheongho; Hwang, Kyu-Ha; Jung, Youn Kil; Shin, In-Gu; Zang, Weicheng; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; KMTNet Collaboration; Beichman, Charles A.; Bryden, Geoffery; Novati, Sebastiano Calchi; Carey, Sean; Gaudi, B. Scott; Henderson, Calen B.; Zhu, Wei; Spitzer Team; Bachelet, Etienne; Bolt, Greg; Christie, Grant; Hundertmark, Markus; Natusch, Tim; Maoz, Dan; McCormick, Jennie; Street, Rachel A.; Tan, Thiam-Guan; Tsapras, Yiannis; LCO and µFUN Follow-up Teams; Jørgensen, U. G.; Dominik, M.; Bozza, V.; Skottfelt, J.; Snodgrass, C.; Ciceri, S.; Jaimes, R. Figuera; Evans, D. F.; Peixinho, N.; Hinse, T. C.; Burgdorf, M. J.; Southworth, J.; Rahvar, S.; Sajadian, S.; Rabus, M.; von Essen, C.; Fujii, Y. I.; Campbell-White, J.; Lowry, S.; Helling, C.; Mancini, L.; Haikala, L.; MindSTEp Collaboration; Kandori, Ryo; IRSF Team (2020)
    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 Spitzer satellite in a solar orbit. At high magnification, the anomaly in the ...
  • OGLE-2018-BLG-0022: First Prediction of an Astrometric Microlensing Signal from a Photometric Microlensing Event 
    Han, Cheongho; Bond, Ian A.; Udalski, Andrzej; Gould, Andrew; Bozza, Valerio; Hirao, Yuki; Cassan, Arnaud; authors, Leading; Albrow, Michael D.; Chung, Sun-Ju; Hwang, Kyu-Ha; Lee, Chung-Uk; Ryu, Yoon-Hyun; Shin, In-Gu; Shvartzvald, Yossi; Yee, Jennifer C.; Jung, Youn Kil; Kim, Doeon; Kim, Woong-Tae; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; Zang, Weicheng; The KMTNet Collaboration; Abe, Fumio; Barry, Richard; Bennett, David P.; Bhattacharya, Aparna; Donachie, Martin; Fukui, Akihiko; Itow, Yoshitaka; Kawasaki, Kohei; Kondo, Iona; Koshimoto, Naoki; Li, Man Cheung Alex; Matsubara, Yutaka; Muraki, Yasushi; Miyazaki, Shota; Nagakane, Masayuki; Ranc, Clément; Rattenbury, Nicholas J.; Suematsu, Haruno; Sullivan, Denis J.; Sumi, Takahiro; Suzuki, Daisuke; Tristram, Paul J.; Yonehara, Atsunori; The MOA Collaboration; Mróz, Przemek; Szymanski, Michal K.; Skowron, Jan; Poleski, Radek; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Rybicki, Krzysztof A.; Iwanek, Patryk; Wrona, Marcin; The OGLE Collaboration; Beichman, Charles A.; Bryden, Geoffery; Carey, Sean; Gaudi, B. Scott; Henderson, Calen B.; Spitzer Microlensing Team (2019)
    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 ...
  • OGLE-2018-BLG-0532Lb: Cold Neptune with Possible Jovian Sibling 
    Ryu, Yoon-Hyun; Udalski, Andrzej; Yee, Jennifer C.; Penny, Matthew T.; Zang, Weicheng; Albrow, Michael D.; Chung, Sun-Ju; Gould, Andrew; Han, Cheongho; Hwang, Kyu-Ha; Jung, Youn Kil; Shin, In-Gu; Shvartzvald, Yossi; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; KMTNet Collaboration; Mróz, Przemek; Szymanski, Michal K.; Skowron, Jan; Poleski, Radek; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Rybicki, Krzysztof A.; Iwanek, Patryk; Wrona, Marcin; OGLE Collaboration; Mao, Shude; Fouque, Pascal; Zhu, Wei; Wang, Tianshu; CFHT Microlensing Collaboration (2020)
    We report the discovery of the planet OGLE-2018-BLG-0532Lb, with very obvious signatures in the light curve that lead to an estimate of the planet-host mass ratio $q={M}_{\mathrm{planet}}/{M}_{\mathrm{host}}\simeq 1\times ...
  • OGLE-2018-BLG-0567Lb and OGLE-2018-BLG-0962Lb: Two Microlensing Planets through the Planetary-caustic Channel 
    Jung, Youn Kil; Han, Cheongho; Udalski, Andrzej; Gould, Andrew; Yee, Jennifer C.; Albrow, Michael D.; Chung, Sun-Ju; Hwang, Kyu-Ha; Ryu, Yoon-Hyun; Shin, In-Gu; Shvartzvald, Yossi; Zhu, Wei; Zang, Weicheng; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; KMTNet Collaboration; Mróz, Przemek; Szymanski, Michal K.; Skowron, Jan; Poleski, Radek; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzystof; Rybicki, Krzysztof A.; Iwanek, Patryk; Wrona, Marcin; OGLE Collaboration (2021)
    We present the analyses of two microlensing events, OGLE-2018-BLG-0567 and OGLE-2018-BLG-0962. In both events, the short-lasting anomalies were densely and continuously covered by two high-cadence surveys. The light-curve ...
  • OGLE-2018-BLG-0799Lb: a q 2.7 × 10<SUP>-3</SUP> planet with Spitzer parallax 
    Zang, Weicheng; Shvartzvald, Yossi; Udalski, Andrzej; Yee, Jennifer C.; Lee, Chung-Uk; Sumi, Takahiro; Zhang, Xiangyu; Yang, Hongjing; Mao, Shude; Novati, Sebastiano Calchi; Gould, Andrew; Zhu, Wei; Beichman, Charles A.; Bryden, Geoffery; Carey, Sean; Gaudi, B. Scott; Henderson, Calen B.; Mróz, Przemek; Skowron, Jan; Poleski, Radoslaw; Szymanski, Michal K.; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Ulaczyk, Krzysztof; Rybicki, Krzysztof A.; Iwanek, Patryk; Wrona, Marcin; Albrow, Michael D.; Chung, Sun-Ju; Han, Cheongho; Hwang, Kyu-Ha; Jung, Youn Kil; Ryu, Yoon-Hyun; Shin, In-Gu; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; Bond, Ian A.; Abe, Fumio; Barry, Richard; Bennett, David P.; Bhattacharya, Aparna; Donachie, Martin; Fujii, Hirosane; Fukui, Akihiko; Hirao, Yuki; Itow, Yoshitaka; Kirikawa, Rintaro; Kondo, Iona; Koshimoto, Naoki; Li, Man Cheung Alex; Matsubara, Yutaka; Muraki, Yasushi; Miyazaki, Shota; Ranc, Clément; Rattenbury, Nicholas J.; Satoh, Yuki; Shoji, Hikaru; Suzuki, Daisuke; Tanaka, Yuzuru; Tristram, Paul J.; Yamawaki, Tsubasa; Yonehara, Atsunori; Bachelet, Etienne; Hundertmark, Markus P. G.; Jaimes, R. Figuera; Maoz, Dan; Penny, Matthew T.; Street, Rachel A.; Tsapras, Yiannis (2022)
    We report the discovery and analysis of a planet in the microlensing event OGLE-2018-BLG-0799. The planetary signal was observed by several ground-based telescopes, and the planet-host mass ratio is q = (2.65 ± 0.16) × ...

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