Solar Wind Observation by Interplanetary Scintillation

Interplanetary scintillation (IPS) of cosmic radio signals has been employed to deduce the solar wind in regions beyond the ecliptic plane and near the sun, where spacecraft have no access. IPS observations are performed at a frequency of 327 MHz using four radio telescopes at Toyokawa, Fuji, Sugadaira, and Kiso. This four-antenna system is able to observe the solar wind at distances of 0.1-1 AU from the sun.

  1. Solar wind speed synoptic chart from IPS measurements (1990-1995: gif)

  2. Solar wind speed synoptic chart from IPS measurements (1990-1994: jpg)

  3. Solar activity to produce interplanetary disturbances
  4. Mechanism of interplanetary scintillation
  5. Solar wind speed from the sun in 1987 and 1990
  6. Solar wind speed from the sun in 1986

  7. Observational sites of interplanetary scintillation
  8. Scintillation antenna at Toyokawa
  9. Scintillation antenna at Sugadaira
  10. Scintillation antenna at Fuji
  11. Scintillation antenna at Kiso

You are welcome to use our IPS data. If you are interested in our IPS data, please contact:
    Dr. Masayoshi Kojima
    Solar Wind Section, Solar-Terrestrial Environment Laboratory,
    Nagoya University
    3-13 Honohara, Toyokawa, Aichi 442, Japan
    e-mail: kojima@stelab.nagoya-u.ac.jp

GOIN Demonstration.

STELab Home Page .