Koichi Masuda | Researchain

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Featured researches published by Koichi Masuda.

Archive | 2010

Is the Sun heading for another Maunder Minimum? - Precursors of the grand solar minima

Hiroko Miyahara; Kay Kitazawa; Kosuke Nagaya; Yusuke Yokoyama; Hiroyuki Matsuzaki; Koichi Masuda; Toru M. Nakamura; Y. Muraki

Archive | 2005

Variation of solar activity during the grand solar minima deduced from radiocarbon content in tree rings

Hiroko Miyahara; Koichi Masuda; H. Menjo; Kazunori Kuwana; Y. Muraki; Toru M. Nakamura

Archive | 2005

Possibility of the detection of past supernova explosion by radiocarbon measurement

H. Menjo; Hiroko Miyahara; Kazunori Kuwana; Koichi Masuda; Y. Muraki; Toru M. Nakamura

Archive | 2004

Solar Cycle During the Maunder Minimum

Hiroko Miyahara; Koichi Masuda; Y. Muraki

Archive | 2009

Long-term variation of solar activity deduced from carbon-14 content in tree rings

Hiroko Miyahara; Yusuke Yokoyama; Hiroyuki Matsuzaki; Koichi Masuda; Kosuke Nagaya; Toru M. Nakamura; Y. Muraki

Archive | 2008

Discovery of a Low-mass Planet Orbiting a Low-mass Star in Microlensing Event MOA-2007-BLG-192

D. P. Bennett; I. A. Bond; A. Udalski; T. Sumi; F. Abe; A. Fukui; K. Furusawa; J. B. Hearnshaw; S. Holderness; Y. Itow; K. Kamiya; A. Korpela; P. M. Kilmartin; W. Lin; C. H. Ling; Koichi Masuda; Y. Matsubura; N. Miyake; Y. Muraki; M. Nagaya; Takashi Okumura; K. Ohnishi; Y. C. Perrott; N. J. Rattenbury; T. K. Sako; To. Saito; Satoshi B. Sato; L. Skuljan; D. J. Sullivan; W. L. Sweatman

Archive | 2008

Effect of solar variations on the decadal climate cycle

Hiroko Miyahara; Yusuke Yokoyama; Yasuhiko T. Yamaguchi; Koichi Masuda

Archive | 2006

Variation of the 11-yr and the 22-yr solar cycles associated with long-term solar variations

Hiroko Miyahara; Koichi Masuda; Y. Muraki; Kosuke Nagaya; Toru M. Nakamura

Archive | 2000

Red Variables from the MOA Database

Mine Takeuti; S. Noda; I. A. Bond; N. J. Rattenbury; F. Abe; Brian Carter; Rhea J. Dodd; J. B. Hearnshaw; M. Honda; J. Jugaku; S. Kabe; P. M. Kilmartin; Koichi Masuda; Y. Matsubara; Y. Muraki; Takahiro T. Nakamura; M. Reid; N. J. Rumsey; To. Saito; Hisayasu Sato; Maki Sekiguchi; D. J. Sullivan; T. Sumi; Yoshiyuki Watase; T. Yanagisawa; Philip Yock; M. Yoshizawa

Archive | 2000

Blue Variables from the MOA Database

S. Noda; Mine Takeuti; I. A. Bond; N. J. Rattenbury; F. Abe; Brian Carter; Rhea J. Dodd; J. B. Hearnshaw; M. Honda; J. Jugaku; S. Kabe; P. M. Kilmartin; Koichi Masuda; Y. Matsubara; Y. Muraki; Takahiro T. Nakamura; M. Reid; N. J. Rumsey; To. Saito; Hisayasu Sato; Maki Sekiguchi; D. J. Sullivan; T. Sumi; Yoshiyuki Watase; T. Yanagisawa; Philip Yock; M. Yoshizawa

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