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4 results

  • Prominence Disappearance Related to CMEs
  • E. Hiei
  • Journal: International Astronomical Union Colloquium / Volume 167 / 1998
  • Published online by Cambridge University Press: 12 April 2016, pp. 380-383
  • Print publication: 1998
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    DB (disparition brusque) events are associated with dynamic phenomena such as a CME, a flare, brightening of a soft X-ray arcade, and soft X-ray dimming, and probably a change of the coronal magnetic field on a large scale. The DB event observed on January 16, 1993 identified with a CME occurred on the solar disk.

  • Magnetic Field Observation with the Solar Flare Telescope
  • K. Ichimoto, T. Sakurai, Y. Nishino, K. Shinoda, M. Noguchi, K. Kumagai, H. Imai, M. Irie, M. Miyashita, N. Tanaka, I. Sano, Y. Suematsu, E. Hiei
  • Journal: International Astronomical Union Colloquium / Volume 141 / 1993
  • Published online by Cambridge University Press: 12 April 2016, pp. 166-169
  • Print publication: 1993
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    The Solar Flare Telescope was constructed at Mitaka in 1989. This instrument comprises four telescopes which respectively observe (a) Hα images, (b) continuum images, (c) vector magnetic fields, and (d) velocity fields in the photosphere. The instrument aims at the study of energy build-up and energy release in solar flares, in cooperation with the Solar-A satellite. The whole system has been in regular operation since 1992 July. The methods of measuring the magnetic and velocity fields are described.

  • Bright Features in the Intergranular Region
  • Z. Suemoto, E. Hiei
  • Journal: Symposium - International Astronomical Union / Volume 138 / 1990
  • Published online by Cambridge University Press: 08 February 2017, pp. 97-100
  • Print publication: 1990
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    There are two kinds of bright threads in spectrograms of the Ca II II and K lines: the ones in the outer line wing are due to enhancements of the continuum inside granules, while the others in the inner wing are due to bright features in the intergranular regions.

  • 11. Balmer Series Lines in Flare Spectra
  • Z. Suemoto, E. Hiei
  • Journal: Transactions of the International Astronomical Union / Volume 10 / 1960
  • Published online by Cambridge University Press: 25 April 2016, pp. 653-654
  • Print publication: 1960
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