Y
Youn Kil Jung
Researcher at Harvard University
Publications - 82
Citations - 1541
Youn Kil Jung is an academic researcher from Harvard University. The author has contributed to research in topics: Gravitational microlensing & Planet. The author has an hindex of 21, co-authored 78 publications receiving 1367 citations. Previous affiliations of Youn Kil Jung include Chungbuk National University & Korea Astronomy and Space Science Institute.
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Journal ArticleDOI
The Second Multiple-planet System Discovered by Microlensing: OGLE-2012-BLG-0026Lb, c—A Pair of Jovian Planets beyond the Snow Line
C. Han,Andrzej Udalski,J.-Y. Choi,Jennifer C. Yee,Andrew Gould,G. W. Christie,Thiam-Guan Tan,Michał K. Szymański,M. Kubiak,Igor Soszyński,Grzegorz Pietrzyński,Grzegorz Pietrzyński,Radosław Poleski,Krzysztof Ulaczyk,P. Pietrukowicz,S. Kozlowski,Jan Skowron,Łukasz Wyrzykowski,Łukasz Wyrzykowski,Leonardo A. Almeida,V. Batista,Darren L. DePoy,Subo Dong,Jack D. Drummond,B. S. Gaudi,K.-H. Hwang,Francisco Jablonski,Youn Kil Jung,C.-U. Lee,J.-R. Koo,Jennie McCormick,L. A. G. Monard,Tim Natusch,H. Ngan,H. Park,R. W. Pogge,I. Porritt,In-Gu Shin +37 more
TL;DR: In this article, the authors reported the discovery of a planetary system from observation of the high-magnification microlensing event OGLE-2012-BLG-0026.
Journal ArticleDOI
A terrestrial planet in a ~1-AU orbit around one member of a ∼15-AU binary
Andrew Gould,Andrzej Udalski,I.-G. Shin,I. Porritt,Jan Skowron,C. Han,Jennifer C. Yee,Jennifer C. Yee,S. Kozlowski,J.-Y. Choi,Radek Poleski,Radek Poleski,Łukasz Wyrzykowski,Łukasz Wyrzykowski,Krzysztof Ulaczyk,P. Pietrukowicz,P. Mróz,Michał K. Szymański,M. Kubiak,Igor Soszyński,G. Pietrzynski,G. Pietrzynski,B. S. Gaudi,G. W. Christie,Jack D. Drummond,Jennie McCormick,Tim Natusch,H. Ngan,Thiam-Guan Tan,Michael D. Albrow,Darren L. DePoy,K.-H. Hwang,Youn Kil Jung,C.-U. Lee,H. Park,R. W. Pogge,Fumio Abe,David P. Bennett,Ian A. Bond,C. S. Botzler,M. Freeman,A. Fukui,D. Fukunaga,Yoshitaka Itow,Naoki Koshimoto,P. Larsen,P. Larsen,C. H. Ling,Kimiaki Masuda,Yutaka Matsubara,Yasushi Muraki,S. Namba,K. Ohnishi,Lydia C. Philpott,Nicholas J. Rattenbury,To. Saito,Denis J. Sullivan,Takahiro Sumi,Daisuke Suzuki,Paul J. Tristram,N. Tsurumi,K. Wada,N. Yamai,P. C. M. Yock,Atsunori Yonehara,Yossi Shvartzvald,D. Maoz,Shai Kaspi,M. Friedmann +68 more
TL;DR: In this paper, a cold terrestrial planet orbiting one member of a binary star system was detected using gravitational microlensing, and the planet has low mass (twice Earth's) and lies projected at ~0.8 astronomical units (AU) from its host star, about the distance between Earth and the Sun.
Journal ArticleDOI
Microlensing discovery of a tight, low-mass-ratio planetary-mass object around an old field brown dwarf
Chang S. Han,Youn Kil Jung,Andrzej Udalski,Takahiro Sumi,B. S. Gaudi,Andrew Gould,David P. Bennett,Yiannis Tsapras,Yiannis Tsapras,Michał K. Szymański,M. Kubiak,Grzegorz Pietrzyński,Grzegorz Pietrzyński,Igor Soszyński,Jan Skowron,Szymon Kozłowski,Radosław Poleski,Radosław Poleski,Krzysztof Ulaczyk,Łukasz Wyrzykowski,Łukasz Wyrzykowski,Paweł Pietrukowicz,Fumio Abe,Ian A. Bond,C. S. Botzler,P. Chote,M. Freeman,Akihiko Fukui,K. Furusawa,P. Harris,Yoshitaka Itow,C. H. Ling,Kimiaki Masuda,Yutaka Matsubara,Yasushi Muraki,Kouji Ohnishi,Nicholas J. Rattenbury,To. Saito,Denis J. Sullivan,Winston L. Sweatman,Daisuke Suzuki,Paul J. Tristram,K. Wada,Philip Yock,V. Batista,G. W. Christie,J.-Y. Choi,Darren L. DePoy,Subo Dong,K. H. Hwang,A. Kavka,C.-U. Lee,L. A. G. Monard,Tim Natusch,H. Ngan,H. Park,Richard W. Pogge,I. Porritt,In-Gu Shin,Thiam-Guan Tan,Jennifer C. Yee,Khalid Al-Subai,Valerio Bozza,D. M. Bramich,P. Browne,Martin Dominik,Keith Horne,M. Hundertmark,Sergei I. Ipatov,N. Kains,C. Liebig,Colin Snodgrass,Iain A. Steele,Rachel Street +73 more
TL;DR: The OGLE-2012-BLG-0358Lb system as discussed by the authors is a relatively tightly separated binary composed of a planetary-mass object with 1.9 ± 0.2 Jupiter masses orbiting a BD with a mass 0.022 M ☉.
Journal ArticleDOI
Spitzer as a Microlens Parallax Satellite: Mass and Distance Measurements of the Binary Lens System OGLE-2014-BLG-1050L
Wei Zhu,Andrzej Udalski,Andrew Gould,Martin Dominik,Valerio Bozza,Valerio Bozza,C. Han,Jennifer C. Yee,S. Calchi Novati,S. Calchi Novati,C. A. Beichman,Sean Carey,Radek Poleski,Radek Poleski,Jan Skowron,S. Kozlowski,P. Mróz,P. Pietrukowicz,Grzegorz Pietrzyński,Grzegorz Pietrzyński,Michał K. Szymański,Igor Soszyński,Krzysztof Ulaczyk,Łukasz Wyrzykowski,Łukasz Wyrzykowski,B. S. Gaudi,R. W. Pogge,Darren L. DePoy,Youn Kil Jung,J.-Y. Choi,K.-H. Hwang,In-Gu Shin,H. Park,J. Jeong +33 more
TL;DR: The first mass and distance measurements of a caustic-crossing binary system OGLE-2014-BLG-1050 L using the space-based micro-lens parallax method were reported in this paper.
Journal ArticleDOI
The first Neptune analog or super-earth with a Neptune-like orbit : MOA-2013-BLG-605LB
Takahiro Sumi,Andrzej Udalski,David P. Bennett,David P. Bennett,Andrew Gould,Radosław Poleski,Radosław Poleski,Ian A. Bond,Jan Skowron,Nicholas J. Rattenbury,Richard W. Pogge,Thomas Bensby,J. P. Beaulieu,J. B. Marquette,V. Batista,S. Brillant,Fumio Abe,Yuichiro Asakura,Aparna Bhattacharya,Martin Donachie,M. Freeman,Akihiko Fukui,Yuki Hirao,Yoshitaka Itow,Naoki Koshimoto,Man Cheung Alex Li,C. H. Ling,Kimiaki Masuda,Yoshimi Matsubara,Yasushi Muraki,Masayuki Nagakane,K. Ohnishi,H. Oyokawa,To. Saito,A. Sharan,Denis J. Sullivan,Daisuke Suzuki,P. J. Tristram,Atsunori Yonehara,Michał K. Szymański,Krzysztof Ulaczyk,S. Kozlowski,Łukasz Wyrzykowski,M. Kubiak,P. Pietrukowicz,Grzegorz Pietrzyński,Igor Soszyński,C. Han,Youn Kil Jung,In-Gu Shin,C.-U. Lee +50 more
TL;DR: In this paper, the authors presented the discovery of the first Neptune analog exoplanet or super-Earth with a Neptune-like orbit, MOA-2013-BLG-605Lb.