Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990p%26ss...38..575a&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 38, April 1990, p. 575-586.
Astronomy and Astrophysics
Astronomy
5
Interplanetary Magnetic Fields, Magnetic Disturbances, Space Environment Simulation, Astronomical Maps, Magnetic Storms, Shock Fronts, Shock Waves, Solar Flares, Solar Wind
Scientific paper
A series of three interplanetary disturbance events in September 1978 are modeled. Flares responsible for the three shock waves are tentatively identified. It is shown that the computed interplanetary scintillation (IPS) sky maps for flares on September 21 and 23 clearly show that the September 21 flare was responsible for the IPS event and the geomagnetic storms which were observed on September 24-25, although it has been generally believed that a flare on September 23 was their origin. Thus, this is a good example to show the usefulness of IPS observations to identify the responsible solar event and predict the arrival of the shock wave. It is also shown that the IPS event was not caused by a high speed stream from a coronal hole.
Akasofu Syuh-Ichi
Lee Li-Her
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