Andrew Gould
Ohio State University
680 Papers
12.7K Citations
Andrew Gould is an academic researcher from Ohio State University. The author has contributed to research in topics: Gravitational microlensing & Planet. The author has an hindex of 94, co-authored 633 publications. Previous affiliations of Andrew Gould include Chungbuk National University & Collège de France.
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Papers
OGLE-2018-BLG-0022: First Prediction of an Astrometric Microlensing Signal from a Photometric Microlensing Event
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 K. Barry,David P. Bennett,Aparna Bhattacharya,Martin Donachie,Akihiko Fukui,Yoshitaka Itow,K. 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 Beichman,Geoffery Bryden,Sean Carey,B. Scott Gaudi,Calen B. Henderson +65 more
TL;DR: In this paper, the authors presented the analysis of OGLE-2018-BLG-0022 that is detected toward the Galactic bulge field and demonstrated that the dense and continuous coverage with the high-quality photometry data from ground-based observations combined with the space-based Spitzer observations of this long time-scale event enables them to uniquely determine the masses of the individual lens components.
OGLE-2013-BLG-0911Lb: A Secondary on the Brown-dwarf Planet Boundary around an M Dwarf
Shota Miyazaki,Takahiro Sumi,David P. Bennett,David P. Bennett,Andrzej Udalski,Yossi Shvartzvald,Rachel Street,Valerio Bozza,Valerio Bozza,Jennifer C. Yee,Ian A. Bond,Nicholas J. Rattenbury,Naoki Koshimoto,Daisuke Suzuki,Akihiko Fukui,Akihiko Fukui,Fumio Abe,Aparna Bhattacharya,Aparna Bhattacharya,Richard K. Barry,Martin Donachie,Hirosane Fujii,Yuki Hirao,Yoshitaka Itow,Y. Kamei,Iona Kondo,Man Cheung Alex Li,C. H. Ling,Yutaka Matsubara,Taro Matsuo,Yasushi Muraki,Masayuki Nagakane,K. Ohnishi,Clément Ranc,To. Saito,A. Sharan,Hiroshi Shibai,Haruno Suematsu,Denis J. Sullivan,Paul J. Tristram,T. Yamakawa,Atsunori Yonehara,Jan Skowron,Radosław Poleski,P. Mróz,P. Mróz,Michał K. Szymański,Igor Soszyński,P. Pietrukowicz,S. KozŁowski,Krzysztof Ulaczyk,Łukasz Wyrzykowski,M. Friedmann,Shai Kaspi,Dan Maoz,Wise Team,Michael D. Albrow,G. W. Christie,Darren L. DePoy,Avishay Gal-Yam,Andrew Gould,Andrew Gould,Andrew Gould,C.-U. Lee,C.-U. Lee,Ilan Manulis,Jennie McCormick,Tim Natusch,H. Ngan,R. W. Pogge,I. Porritt,Yiannis Tsapras,Etienne Bachelet,Etienne Bachelet,M. Hundertmark,Martin Dominik,D. M. Bramich,Arnaud Cassan,R. Figuera Jaimes,R. Figuera Jaimes,Keith Horne,R. W. Schmidt,Colin Snodgrass,Joachim Wambsganss,Iain A. Steele,J. W. Menzies,Shude Mao,Shude Mao,Shude Mao,RoboNet Collabofratino,U. G. Jørgensen,Martin Burgdorf,Simona Ciceri,S. Calchi Novati,Giuseppe D'Ago,Giuseppe D'Ago,Giuseppe D'Ago,Daniel F. Evans,Tobias C. Hinse,N. Kains,Eamonn Kerins,Heidi Korhonen,Luigi Mancini,A. Popovas,Markus Rabus,Sohrab Rahvar,Gaetano Scarpetta,Gaetano Scarpetta,Jesper Skottfelt,Jesper Skottfelt,John Southworth,Nuno Peixinho,Nuno Peixinho,P. Verma +113 more
TL;DR: In this paper, the binary-lens microlensing event OGLE-2013-BLG-0911 was analyzed and two groups of solutions for the projected separation normalized by the Einstein radius of s ∼ 0.15 or s ∼ 7.2 were presented.
OGLE-2017-BLG-0448Lb: A Low Mass–Ratio Wide-orbit Microlensing Planet?
Ruocheng Zhai,Radosław Poleski,Weicheng Zang,Y. K. Jung,Andrzej Udalski,Renkun Kuang,Michael Albrow,Sun-Ju Chung,Andrew Gould,Cheongho Han,K.-H. Hwang,Yoon-Hyun Ryu,In-Gu Shin,Yossi Shvartzvald,Hongjing Yang,Jennifer C. Yee,Sang-Mok Cha,Dong-Jin Kim,Hyoung-Woo Kim,Seung-Lee Kim,Chung-Uk Lee,Dong-Joo Lee,Yongseok Lee,Byeong-Gon Park,Richard W. Pogge,Jan Skowron,Michal K. Szyma'nski,I. Soszy'nski,Krzysztof Ulaczyk,P. Pietrukowicz,Szymon Kozłowski,P. Mr'oz,K. Rybicki,Patryk Iwanek,Marcin Wrona,Mariusz Gromadzki,Hanyue Wang,Shude Mao,Jiyuan Zhang,Qiyue Qian,Wei Zhu +40 more
TL;DR: Discovery and analysis of a low mass-ratio wide-orbit microlensing planet in OGLE-2017-BLG-0448Lb. The light curve exhibits long-term residuals to the static binary-lens single-source model due to microlensing parallax, microlensing xallarap, an additional lens, or an additional source.
A COLD NEPTUNE-MASS PLANET OGLE-2007-BLG-368Lb: COLD NEPTUNES ARE COMMON
Takahiro Sumi,D. P. Bennett,Ian A. Bond,Andrzej Udalski,V. Batista,Martin Dominik,Martin Dominik,P. Fouqué,D. Kubas,Andrew Gould,Bruce Macintosh,K. H. Cook,Subo Dong,L. Skuljan,Arnaud Cassan,Fumio Abe,C. S. Botzler,Akihiko Fukui,K. Furusawa,John B. Hearnshaw,Yoshitaka Itow,Kisaku Kamiya,P. M. Kilmartin,A. V. Korpela,W. Lin,C. H. Ling,Kimiaki Masuda,Yutaka Matsubara,N. Miyake,Yasushi Muraki,M. Nagaya,Takahiro Nagayama,Kouji Ohnishi,Teppei Okumura,Y. C. Perrott,Nicholas J. Rattenbury,To. Saito,Takashi Sako,D. J. Sullivan,Winston L. Sweatman,P. J. Tristram,Philip Yock,J. P. Beaulieu,Andrew A. Cole,Ch. Coutures,M. F. Duran,J. G. Greenhill,Francisco Jablonski,U. Marboeuf,Eder Martioli,Ettore Pedretti,Ondřej Pejcha,Patricio Rojo,Michael D. Albrow,S. Brillant,M. F. Bode,D. M. Bramich,Martin Burgdorf,Martin Burgdorf,J. A. R. Caldwell,H. Calitz,E. Corrales,S. Dieters,S. Dieters,D. Dominis Prester,J. Donatowicz,K. M. Hill,K. M. Hill,M. Hoffman,Keith Horne,U. G. Jørgensen,N. Kains,Stephen R. Kane,J. B. Marquette,R. M. Martin,P. J. Meintjes,J. W. Menzies,K. R. Pollard,Kailash C. Sahu,Colin Snodgrass,Iain A. Steele,Rachel Street,Yiannis Tsapras,Joachim Wambsganss,Andrew Williams,M. Zub,Michał K. Szymański,M. Kubiak,Grzegorz Pietrzyński,Grzegorz Pietrzyński,Igor Soszyński,O. Szewczyk,Łukasz Wyrzykowski,Krzysztof Ulaczyk,William H. Allen,G. W. Christie,Darren L. DePoy,B. S. Gaudi,C. Han,J. Janczak,C.-U. Lee,Jennie McCormick,F. Mallia,B. Monard,Tim Natusch,Byeong-Gon Park,Richard W. Pogge,R. Santallo +107 more
TL;DR: The OGLE-2007-BLG-368Lb with a planet-star mass ratio of q = [9.5 ± 2.1] × 10^(-5] via gravitational microlensing was discovered in real-time thanks to the high cadence of the Microlensing Observations in Astrophysics survey and intensive followup observations.