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Detailed Reference Information |
Reiner, M.J., Kaiser, M.L., Fainberg, J., Bougeret, J.-L. and Stone, R.G. (1998). On the origin of radio emissions associated with the January 6–11, 1997, CME. Geophysical Research Letters 25: doi: 10.1029/98GL00138. issn: 0094-8276. |
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Unusual type II radio emissions were generated by an Earth-directed CME that originated at the sun on Jan. 6, 1997. The intensities of the observed radio emissions were significantly higher than for typical type II events, while the source sizes and the overall frequency drift rate were significantly smaller. By introducing a new way of presenting the radio data that inherently reveals the dynamics of the type II radio source, we used these type II radio emissions, observed by the WAVES experiment on Wind, to track this CME through the interplanetary medium (IPM). From an analysis of the observed frequencies, the frequency drift rates and the results of the Wind radio direction finding, we were able to identify specific interplanetary structures such as a CIR that were the probable sources of at least some of the type II radio emissions associated with this event. This is the first time that type II emissions have been traced to specific interplanetary structures. ¿ 1998 American Geophysical Union |
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BACKGROUND DATA FILES |
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Abstract |
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Keywords
Solar Physics, Astrophysics, and Astronomy, Radio emissions, Solar Physics, Astrophysics, and Astronomy, Coronal mass ejections, Radio Science, Remote sensing, Interplanetary Physics, Interplanetary shocks |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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