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Akihiko Fukui
Researcher at Spanish National Research Council
Publications - 417
Citations - 14610
Akihiko Fukui is an academic researcher from Spanish National Research Council. The author has contributed to research in topics: Gravitational microlensing & Planet. The author has an hindex of 59, co-authored 374 publications receiving 13121 citations. Previous affiliations of Akihiko Fukui include Subaru & IAC.
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Journal ArticleDOI
Unbound or distant planetary mass population detected by gravitational microlensing
Takahiro Sumi,Kisaku Kamiya,David P. Bennett,Ian A. Bond,Fumio Abe,C. S. Botzler,Akihiko Fukui,K. Furusawa,John B. Hearnshaw,Yoshitaka Itow,P. M. Kilmartin,A. V. Korpela,W. Lin,C. H. Ling,Kimiaki Masuda,Yutaka Matsubara,N. Miyake,M. Motomura,Yasushi Muraki,M. Nagaya,Shota Nakamura,Kouji Ohnishi,Teppei Okumura,Y. C. Perrott,Nicholas J. Rattenbury,To. Saito,T. K. Sako,Denis J. Sullivan,Winston L. Sweatman,P. J. Tristram,P. C. M. Yock,Andrzej Udalski,Michał K. Szymański,M. Kubiak,Grzegorz Pietrzyński,Radosław Poleski,Igor Soszyński,Łukasz Wyrzykowski,K. Ulaczyk +38 more
TL;DR: The discovery of a population of unbound or distant Jupiter-mass objects is reported, which are almost twice as common as main-sequence stars, based on two years of gravitational microlensing survey observations towards the Galactic Bulge.
Journal ArticleDOI
Frequency of solar-like systems and of ice and gas giants beyond the snow line from high-magnification microlensing events in 2005-2008
Andrew Gould,Subo Dong,B. S. Gaudi,Andrzej Udalski,Ian A. Bond,J. G. Greenhill,Rachel Street,Martin Dominik,Takahiro Sumi,Michał K. Szymański,C. Han,William H. Allen,Greg Bolt,M. Bos,G. W. Christie,Darren L. DePoy,Jack D. Drummond,Jason D. Eastman,Avishay Gal-Yam,D. Higgins,J. Janczak,Shai Kaspi,Szymon Kozłowski,C.-U. Lee,F. Mallia,Anaëlle Maury,D. Maoz,Jennie McCormick,L. A. G. Monard,D. Moorhouse,N. D. Morgan,Tim Natusch,Eran O. Ofek,Byeong-Gon Park,Richard W. Pogge,David Polishook,R. Santallo,Avi Shporer,O. Spector,G. Thornley,Jennifer C. Yee,M. Kubiak,Grzegorz Pietrzyński,Igor Soszyński,O. Szewczyk,Łukasz Wyrzykowski,Krzysztof Ulaczyk,Radosław Poleski,Fumio Abe,David P. Bennett,C. S. Botzler,D. Douchin,M. Freeman,Akihiko Fukui,K. Furusawa,John B. Hearnshaw,S. Hosaka,Yoshitaka Itow,K. Kamiya,P. M. Kilmartin,A. Korpela,W. Lin,C. H. Ling,S. Makita,Kimiaki Masuda,Yutaka Matsubara,N. Miyake,Yasushi Muraki,M. Nagaya,K. Nishimoto,Kouji Ohnishi,Teppei Okumura,Y. C. Perrott,L. Philpott,Nicholas J. Rattenbury,To. Saito,Takashi Sako,Denis J. Sullivan,W. L. Sweatman,P. J. Tristram,E. von Seggern,P. C. M. Yock,Michael D. Albrow,V. Batista,J. P. Beaulieu,S. Brillant,J. Caldwell,J. J. Calitz,Arnaud Cassan,Andrew A. Cole,K. W. Cook,C. Coutures,S. Dieters,D. Dominis Prester,J. Donatowicz,Pascal Fouqué,K. Hill,M. Hoffman,Francisco Jablonski,Stephen R. Kane,N. Kains,D. Kubas,J.-B. Marquette,R. M. Martin,Eder Martioli,P. J. Meintjes,J. Menzies,Ettore Pedretti,K. R. Pollard,K. C. Sahu,C. Vinter,J. Wambsganss,R. A. Watson,Andrew Williams,M. Zub,Alasdair Allan,M. F. Bode,D. M. Bramich,Martin Burgdorf,N. Clay,S. Fraser,E. Hawkins,Keith Horne,E. Kerins,T. A. Lister,C. Mottram,E. S. Saunders,Colin Snodgrass,Iain A. Steele,Yiannis Tsapras,U. G. Jørgensen,Timo Anguita,Valerio Bozza,S. Calchi Novati,K. Harpsøe,Tobias C. Hinse,M. Hundertmark,P. Kjærgaard,C. Liebig,C. Liebig,Luigi Mancini,G. Masi,M. Mathiasen,Sohrab Rahvar,Davide Ricci,Gaetano Scarpetta,John Southworth,Jean Surdej,Christina C. Thöne,Christina C. Thöne +149 more
TL;DR: In this paper, the authors presented the first measurement of the planet frequency beyond the "snow line," for the planet-to-star mass-ratio interval during 2005-2008 microlensing events during the survey-plus-follow-up high-magnification channel.
Journal ArticleDOI
Discovery of a Jupiter/Saturn Analog with Gravitational Microlensing
B. S. Gaudi,David P. Bennett,Andrzej Udalski,Andrew Gould,G. W. Christie,D. Maoz,Subo Dong,Jennie McCormick,Michał K. Szymański,P. J. Tristram,S. Nikolaev,Bohdan Paczynski,M. Kubiak,Grzegorz Pietrzyński,Grzegorz Pietrzyński,Igor Soszyński,O. Szewczyk,Krzysztof Ulaczyk,Łukasz Wyrzykowski,Łukasz Wyrzykowski,Darren L. DePoy,C. Han,Shai Kaspi,C.-U. Lee,F. Mallia,Tim Natusch,Richard W. Pogge,Byeong-Gon Park,Fumio Abe,Ian A. Bond,C. S. Botzler,Akihiko Fukui,John B. Hearnshaw,Yoshitaka Itow,Kisaku Kamiya,A. V. Korpela,P. M. Kilmartin,W. Lin,Kimiaki Masuda,Yutaka Matsubara,M. Motomura,Yasushi Muraki,Shota Nakamura,Teppei Okumura,Kouji Ohnishi,Nicholas J. Rattenbury,Takashi Sako,To. Saito,Shuji Sato,L. Skuljan,Denis J. Sullivan,Takahiro Sumi,Winston L. Sweatman,Philip Yock,Michael D. Albrow,Alasdair Allan,J.-P. Beaulieu,Martin Burgdorf,K. H. Cook,C. Coutures,Martin Dominik,S. Dieters,Pascal Fouqué,J. G. Greenhill,Keith Horne,Iain A. Steele,Yiannis Tsapras,Brian Chaboyer,A. Crocker,Stephan Frank,Bruce Macintosh +70 more
TL;DR: Two planets with masses that could not have been detected with other techniques are identified; their discovery from only six confirmed microlensing planet detections suggests that solar system analogs may be common.
Journal ArticleDOI
A Low-Mass Planet with a Possible Sub-Stellar-Mass Host in Microlensing Event MOA-2007-BLG-192
David P. Bennett,Ian A. Bond,Andrzej Udalski,Takahiro Sumi,Fumio Abe,Akihiko Fukui,K. Furusawa,John B. Hearnshaw,S. Holderness,Yoshitaka Itow,Kisaku Kamiya,A. V. Korpela,P. M. Kilmartin,W. Lin,C. H. Ling,Kimiaki Masuda,Yutaka Matsubara,N. Miyake,Yasushi Muraki,M. Nagaya,Teppei Okumura,Kouji Ohnishi,Y. C. Perrott,Nicholas J. Rattenbury,Takashi Sako,To. Saito,Susumu Sato,L. Skuljan,Denis J. Sullivan,Winston L. Sweatman,P. J. Tristram,Philip Yock,M. Kubiak,Michał K. Szymański,Grzegorz Pietrzyński,Grzegorz Pietrzyński,Igor Soszyński,O. Szewczyk,O. Szewczyk,Łukasz Wyrzykowski,Łukasz Wyrzykowski,Krzysztof Ulaczyk,V. Batista,J. P. Beaulieu,S. Brillant,Arnaud Cassan,P. Fouque,Pierre Kervella,D. Kubas,J. B. Marquette +49 more
TL;DR: In this paper, the authors reported the detection of an extrasolar planet of mass ratio q~2×10-4 in microlensing event MOA-2007-BLG-192.
Journal ArticleDOI
A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host
B. Scott Gaudi,Keivan G. Stassun,Keivan G. Stassun,Karen A. Collins,Thomas G. Beatty,George Zhou,David W. Latham,Allyson Bieryla,Jason D. Eastman,Robert J. Siverd,Justin R. Crepp,Erica J. Gonzales,Daniel J. Stevens,Lars A. Buchhave,Lars A. Buchhave,Joshua Pepper,Marshall C. Johnson,Knicole D. Colón,Eric L. N. Jensen,Joseph E. Rodriguez,Valerio Bozza,Valerio Bozza,Sebastiano Calchi Novati,Giuseppe D'Ago,Mary Thea Dumont,Mary Thea Dumont,Tyler G. Ellis,Tyler G. Ellis,Clement Gaillard,Hannah Jang-Condell,David Kasper,Akihiko Fukui,Joao Gregorio,Ayaka Ito,John F. Kielkopf,Mark Manner,Kyle Matt,Norio Narita,Thomas E. Oberst,Phillip A. Reed,Gaetano Scarpetta,Denice C. Stephens,Rex R. Yeigh,Roberto Zambelli,Benjamin J. Fulton,Andrew W. Howard,David J. James,Matthew T. Penny,Daniel Bayliss,Ivan A. Curtis,Darren L. DePoy,Gilbert A. Esquerdo,Andrew Gould,Andrew Gould,Michael D. Joner,Rudolf B. Kuhn,Jonathan Labadie-Bartz,Michael B. Lund,Jennifer L. Marshall,Kim K. McLeod,Richard W. Pogge,Howard M. Relles,Chris Stockdale,Thiam-Guan Tan,Mark Trueblood,Patricia Trueblood +65 more
TL;DR: Observations of the bright star HD 195689 are reported, which reveal a close-in (orbital period of about 1.48 days) transiting giant planet, KELT-9b, which is as hot as stars of stellar type K4 and receives 700 times more extreme-ultraviolet radiation than WASP-33b.