Y
Yoshiyuki Watase
Researcher at KEK
Publications - 113
Citations - 2040
Yoshiyuki Watase is an academic researcher from KEK. The author has contributed to research in topics: Annihilation & Gravitational microlensing. The author has an hindex of 19, co-authored 113 publications receiving 1982 citations.
Papers
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Journal ArticleDOI
Real-time difference imaging analysis of moa galactic bulge observations during 2000
Ian A. Bond,Ian A. Bond,Fumio Abe,R. J. Dodd,R. J. Dodd,R. J. Dodd,John B. Hearnshaw,Morihiro Honda,Jun Jugaku,P. M. Kilmartin,P. M. Kilmartin,A. Marles,Kimiaki Masuda,Yutaka Matsubara,Yasushi Muraki,Takashi Nakamura,G. Nankivell,S. Noda,C. Noguchi,Kouji Ohnishi,Nicholas J. Rattenbury,M. Reid,To. Saito,Hiroshi Sato,Maki Sekiguchi,J. Skuljan,D. J. Sullivan,Takahiro Sumi,Mine Takeuti,Yoshiyuki Watase,S. Wilkinson,R. Yamada,T. Yanagisawa,Philip Yock +33 more
TL;DR: In this paper, the authors describe observations carried out by the MOA group of the Galactic bulge during 2000 that were designed to detect efficiently gravitational microlensing of faint stars in which the magnification is high and/or of short duration.
Journal ArticleDOI
MACHO Alert 95-30: First Real-Time Observation of Extended Source Effects in Gravitational Microlensing
Charles Alcock,Charles Alcock,W. H. Allen,R. A. Allsman,David R. Alves,David R. Alves,Tim Axelrod,T. S. Banks,S. F. Beaulieu,Andrew C. Becker,Andrew C. Becker,Robert H. Becker,Robert H. Becker,David P. Bennett,David P. Bennett,David P. Bennett,Ian A. Bond,B. S. Carter,Kem H Cook,Kem H Cook,R. J. Dodd,Kenneth C. Freeman,Michael D. Gregg,Michael D. Gregg,Kim Griest,Kim Griest,John B. Hearnshaw,Ana Heller,Morihiro Honda,Jun Jugaku,S. Kabe,Shai Kaspi,P. M. Kilmartin,P. M. Kilmartin,A. Kitamura,O. Kovo,Matthew J. Lehner,Matthew J. Lehner,T. E. Love,T. E. Love,D. Maoz,S. L. Marshall,Yutaka Matsubara,Dante Minniti,M. Miyamoto,Jon A. Morse,Yasushi Muraki,Takashi Nakamura,Bruce A. Peterson,M. M. Phillips,M. R. Pratt,M. R. Pratt,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,T. Yanagisawa,M. Yoshizawa,Philip Yock +72 more
TL;DR: In this article, the authors present an analysis of MACHO Alert 95-30, a dramatic microlensing event toward the Galactic bulge whose peak magnification departs significantly from the standard point-source micro-lensing model.
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,David P. Bennett,Andrew C. Becker,Andrew 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,Ian A. Bond,Fumio Abe,B. S. Carter,R. J. Dodd,R. J. Dodd,R. J. Dodd,John B. Hearnshaw,Morihiro Honda,Jun Jugaku,S. Kabe,P. M. Kilmartin,P. M. Kilmartin,Baerbel Koribalski,Kimiaki Masuda,Yutaka Matsubara,Yasushi Muraki,Takashi Nakamura,G. Nankivell,S. Noda,Nicholas J. Rattenbury,M. Reid,M. Reid,N. J. Rumsey,To. Saito,Hiroshi Sato,Susumu Sato,Maki Sekiguchi,Denis J. Sullivan,Takahiro Sumi,Yoshiyuki Watase,T. Yanagisawa,Philip Yock,M. Yoshizawa +47 more
TL;DR: In this paper, the MACHO 98-BLG-35 microlensing event was used to detect a low-mass planet orbiting an ordinary star without gas giant planets.
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.