T
Toshifumi Yanagisawa
Researcher at Japan Aerospace Exploration Agency
Publications - 59
Citations - 1428
Toshifumi Yanagisawa is an academic researcher from Japan Aerospace Exploration Agency. The author has contributed to research in topics: Gravitational microlensing & Light curve. The author has an hindex of 14, co-authored 59 publications receiving 1375 citations.
Papers
More filters
Journal ArticleDOI
OGLE 2003-BLG-235/MOA 2003-BLG-53: A planetary microlensing event
Ian A. Bond,Andrzej Udalski,M. Jaroszynski,Nicholas J. Rattenbury,Bohdan Paczynski,Igor Soszyński,L. Wyrzykowski,Michał K. Szymański,M. Kubiak,O. Szewczyk,K. Zebrun,Grzegorz Pietrzyński,Fumio Abe,David P. Bennett,S. Eguchi,Y. Furuta,John B. Hearnshaw,Kisaku Kamiya,P. M. Kilmartin,Y. Kurata,Kimiaki Masuda,Yutaka Matsubara,Yasushi Muraki,S. Noda,K. Okajima,T. K. Sako,Tomohiko Sekiguchi,Denis J. Sullivan,Takahiro Sumi,P. J. Tristram,Toshifumi Yanagisawa,Philip Yock +31 more
TL;DR: In this paper, a short duration (~7 days) low amplitude deviation in the light curve due to a single lens profile was observed in both the MOA and OGLE survey observations.
Journal ArticleDOI
Microlensing optical depth towards the Galactic bulge from MOA observations during 2000 with Difference Image Analysis
Takahiro Sumi,Fumio Abe,Ian A. Bond,R. J. Dodd,John B. Hearnshaw,Morihiro Honda,Mareki Honma,Yukitoshi Kan-ya,P. M. Kilmartin,Kimiaki Masuda,Y. Matsubara,Y. Muraki,T. Nakamura,Ryoichi Nishi,S. Noda,K. Ohnishi,O. K. L. Petterson,N. J. Rattenbury,M. Reid,To. Saito,Yoshihiko Saito,Hiroshi Sato,Masaki Sekiguchi,J. Skuljan,Denis J. Sullivan,M. Takeuti,P. J. Tristram,S. Wilkinson,Toshifumi Yanagisawa,P. C. M. Yock +29 more
TL;DR: In this paper, the authors used Monte Carlo simulations to estimate the detection efficiency of microlensing event detection efficiency, where they constructed the I-band extinction map of their GB fields in order to find dereddened magnitudes.
Journal ArticleDOI
OGLE-2005-BLG-071Lb, the Most Massive M-Dwarf Planetary Companion?
Subo Dong,Andrew Gould,Andrzej Udalski,Jay Anderson,G. W. Christie,B. S. Gaudi,M. Jaroszynski,M. Kubiak,Michał K. Szymański,Grzegorz Pietrzyński,Igor Soszyński,O. Szewczyk,K. Ulaczyk,L. Wyrzykowski,Darren L. DePoy,D. B. Fox,Avishay Gal-Yam,C. Han,Sébastien Lépine,Jennie McCormick,Eran O. Ofek,Byeong-Gon Park,Richard W. Pogge,Fumio Abe,David P. Bennett,Ian A. Bond,T. R. Britton,A. C. Gilmore,John B. Hearnshaw,Yoshitaka Itow,Kisaku Kamiya,P. M. Kilmartin,A. V. Korpela,Kimiaki Masuda,Yutaka Matsubara,M. Motomura,Yasushi Muraki,Shota Nakamura,Kouji Ohnishi,C. Okada,Nicholas J. Rattenbury,To. Saito,Takashi Sako,Misao Sasaki,Denis J. Sullivan,Takahiro Sumi,P. J. Tristram,Toshifumi Yanagisawa,P. C. M. Yock,T. Yoshoika,Michael D. Albrow,J. P. Beaulieu,S. Brillant,H. Calitz,Arnaud Cassan,K. H. Cook,Ch. Coutures,S. Dieters,D. Dominis Prester,J. Donatowicz,P. Fouque,J. G. Greenhill,K. M. Hill,M. Hoffman,Keith Horne,U. G. Jørgensen,Stephen R. Kane,D. Kubas,J. B. Marquette,R. M. Martin,P. J. Meintjes,J. W. Menzies,K. R. Pollard,Kailash C. Sahu,C. Vinter,Joachim Wambsganss,Andrew Williams,M. F. Bode,D. M. Bramich,Martin Burgdorf,Colin Snodgrass,Iain A. Steele,V. Doublier,Cedric Foellmi +83 more
TL;DR: In this article, the authors combine all available information to constrain the nature of OGLE-2005-BLG-071Lb, the second planet discovered by microlensing and the first in a highmagnification event.
Journal ArticleDOI
MACHO Alert 95-30 : First Real-Time Observation of Extended Source Effects in Gravitational Microlensing
Charles Alcock,William H. Allen,R. A. Allsman,David R. Alves,T. S. Axelrod,T. S. Banks,S. F. Beaulieu,Andrew C. Becker,Robert H. Becker,David P. Bennett,Ian A. Bond,B. S. Carter,K. H. Cook,R. J. Dodd,Kenneth C. Freeman,Michael D. Gregg,Kim Griest,John B. Hearnshaw,Ana Heller,Morihiro Honda,Jun Jugaku,S. Kabe,Shai Kaspi,P. M. Kilmartin,A. Kitamura,O. Kovo,Matthew J. Lehner,T. E. Love,D. Maoz,S. L. Marshall,Yutaka Matsubara,Dante Minniti,M. Miyamoto,Y. Muraki,Takashi Nakamura,Bruce A. Peterson,M. R. Pratt,Peter J. Quinn,I. N. Reid,M. Reid,David J Reiss,A. Retter,A. W. Rodgers,Wallace L. W. Sargent,Hiroshi Sato,Masaki Sekiguchi,Peter B. Stetson,Christopher W. Stubbs,Denis J. Sullivan,William J. Sutherland,A. B. Tomaney,T. Vandehei,Yoshiyuki Watase,Douglas L. Welch,Toshifumi Yanagisawa,M. Yoshizawa,Philip Yock +56 more
TL;DR: In this article, the authors present an analysis of MACHO Alert 95-30, a dramatic gravitational microlensing event towards the Galactic bulge whose peak magnification departs significantly from the standard point-source micro-lensing model.
Journal ArticleDOI
On Planetary Companions to the MACHO-98-BLG-35 Microlens Star
S. H. Rhie,David P. Bennett,A. C. Becker,Bruce A. Peterson,P. C. Fragile,Bradley R. Johnson,J. Quinn,Ashley D. Crouch,J.L. Gray,L. J. King,B. Messenger,S. Thomson,Ian A. Bond,Fumio Abe,B. S. Carter,R. J. Dodd,John B. Hearnshaw,Morihiro Honda,Jun Jugaku,S. Kabe,P. M. Kilmartin,Baerbel Koribalski,Kimiaki Masuda,Yutaka Matsubara,Y. Muraki,Takashi Nakamura,G. R. Nankivell,S. Noda,Nicholas J. Rattenbury,M. Reid,N. J. Rumsey,Hiroshi Sato,Shuji Sato,Masaki Sekiguchi,Denis J. Sullivan,Takahiro Sumi,Yoshiyuki Watase,Toshifumi Yanagisawa,Philip Yock,M. Yoshizawa +39 more
TL;DR: The MACHO-98-BLG-35 microlensing event as mentioned in this paper was the first detection of a low-mass planet orbiting an ordinary star without gas giant planets.