Masaki MORIMOTO

Japan

1932-2010


Obituary:

Prof. Masaki Morimoto passed away on November 16, 2010. He was born to a mathematician’s family in 1932 and died at the age of 78 years.

After graduation from Tokyo University in 1955 he started his research on solar radio astronomy as a graduate student, and joined Tokyo Astronomical Observatory of Tokyo University in 1958. He studied solar bursts using the 2-element meter-wave radio interferometer at Mitaka. From December 1962 to November 1964, and again for a 9-month period in 1967, he worked with the group of Prof. P. Wild at the Radiophysics Division of CSIRO, Australia to help build the Culgoora radioheliograph. After returning to Japan he pioneered research in cosmic radio astronomy at Tokyo Astronomical Observatory (later re-named to the National Astronomical Observatory, NAOJ, in 1988). He led the effort to build the 6m mm-wave telescope at Mitaka and later to establish the Nobeyama Cosmic Radio Observatory (opened in 1982) which had two mm-wave telescopes - the 45m telescope and 5-element mm-wave interferometer.

His research area moved from mm-wave spectral line observations to VLBI. He provided strong leadership and influenced the direction of VLBI research in Japan. He contributed to the proposal and planning of the Japanese space-VLBI project, VSOP (VLBI Space Observatory Programme) using the radio astronomy satellite, HALCA, which was launched in 1997. VSOP was operated by ISAS (the Institute of Space and Astronautical Science) and NAOJ, and was the first dedicated space-VLBI mission. It was a very complex, international mission with many partners contributing to the ground segment, and he made a significant contribution to its success. He was also a strong supporter of VERA (VLBI Exploration for Radio Astronomy) built by NAOJ, as well as Subaru and ALMA.

Morimoto-san retired in March 1992 and was appointed emeritus professor at NAOJ and Tokyo University for his contribution in radio astronomy. He then took up a position at Kagoshima University from April 1993 to March 1997 as well as another post at the newly established “science park” of Hyogo-prefecture from April 1993 to March 2002.

In all his activities, Prof. Morimoto was an inspiration for the younger generations entering the newly born radio astronomy community in Japan and had a big influence on their development. He also had interest in SETI from an early stage, and worked hard to engage the public in scientific activities by writing ten books and many articles, and by giving many public lectures.

He served as a chair of IAU Commission 40 - Radio Astronomy from 1990 to 1993.

Contributed by Hisashi Hirabayashi

Reference:
https://rahist.nrao.edu/morimoto_bio-memoir.shtml

Past affiliation(s) within the IAU

  • Past President of Commission 40 Radio Astronomy (1991-1994)
  • Past Vice-President of Commission 40 Radio Astronomy (1988-1991)
  • Past Organizing Committee Member of Commission 38 Exchange of Astronomers (1997-2000)
  • Past Organizing Committee Member of Commission 38 Exchange of Astronomers (1994-1997)
  • Past Organizing Committee Member of Commission 40 Radio Astronomy (1994-1997)
  • Past Organizing Committee Member of Commission 38 Exchange of Astronomers (1991-1994)
  • Past Organizing Committee Member of Commission 40 Radio Astronomy (1982-1985)
  • Past Organizing Committee Member of Commission 34 Interstellar Matter (1979-1982)
  • Past Organizing Committee Member of Commission 40 Radio Astronomy (1979-1982)
  • Past Organizing Committee Member of Commission 34 Interstellar Matter (1976-1979)
  • Past Member of Division III Planetary Systems Sciences
  • Past Member of Division VI Interstellar Matter
  • Past Member of Division X Radio Astronomy
  • Past Member of Division XII Union-Wide Activities
  • Past Member of Commission 34 Interstellar Matter
  • Past Member of Commission 38 Exchange of Astronomers
  • Past Member of Commission 40 Radio Astronomy
  • Past Member of Commission 41 History of Astronomy
  • Past Member of Commission 46 Astronomy Education & Development
  • Past Member of Commission 51 Bio-Astronomy
  • Past Member of Commission 40 WG Historic Radio Astronomy

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