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IPS Observations at STELAB for the Fruitful Coming Decade

Published online by Cambridge University Press:  12 April 2016

K. Asai ,
Y. Ishida ,
M. Kojima ,
K. Maruyama ,
H. Misawa  and
N. Yoshimi
K. Asai
Affiliation:
Solar-Terrestrial Environment Laboratory, Nagoya University, Toyokawa 442, Japan
Y. Ishida
Affiliation:
Solar-Terrestrial Environment Laboratory, Nagoya University, Toyokawa 442, Japan
M. Kojima
Affiliation:
Solar-Terrestrial Environment Laboratory, Nagoya University, Toyokawa 442, Japan
K. Maruyama
Affiliation:
Solar-Terrestrial Environment Laboratory, Nagoya University, Toyokawa 442, Japan
H. Misawa
Affiliation:
Solar-Terrestrial Environment Laboratory, Nagoya University, Toyokawa 442, Japan
N. Yoshimi
Affiliation:
Solar-Terrestrial Environment Laboratory, Nagoya University, Toyokawa 442, Japan

Abstract

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We have been carrying out solar wind measurements using the interplanetary scintillation (IPS) method. Our IPS observation system is operated at a frequency of 327MHz and consists of four stations located at Toyokawa, Fuji, Sugadaira and Kiso. The present system, however, has insufficient sensitivity to measure enough IPS sources for observing the solar wind with adequate spatial and temporal resolution. Therefore we have been excuting the upgrade project since 1994 in order to observe a larger number of compact radio sources. The Fuji system has been improved successfully and has achieved sensitivity by a factor over five compared with the previous system. The upgrade project is now in progress for the Toyokawa and Sugadaira station.

Keywords

Solar windIPSUpgrade project
Type
IPS and Other Remote Sensing Measurements
Information
International Astronomical Union Colloquium , Volume 154: Solar and Interplanetary Transients , 1996 , pp. 247 - 250
Copyright
Copyright © Kluwer 1997

References

Asai, K., Ishida, Y., Kojima, M., Maruyama, K., Misawa, H., and Yoshimi, N.: 1994, ‘Multi-station system for solar wind observations using the interplanetary scintillation method’, J. Geomag. Geoelectr., in press.Google Scholar
Asai, K., Kojima, M., Misawa, H., Ishida, Y., Maruyama, K., Yoshimi, N., Wakasa, M., and Karakida, M.: 1995, ‘Design of an asymmetric parabolic cylinder antenna with high aperture efficiency’, Trans. IEICE, J78, B-II, 102.Google Scholar
Kojima, M. and Kakinuma, T.: 1990, ‘Solar cycle dependence of global distribution of solar wind speed’, Space Sci. Rev., 53, 173.Google Scholar