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Title: Estimation of the Three-Dimensional Space Speed of a Coronal Mass Ejection Using Metric Radio Data
Authors: Kathiravan, C
Ramesh, R
Keywords: Sun: Solar-terrestrial Relations;Sun: Activity;Sun: Activity;Sun: Radio Radiation
Issue Date: Jul-2004
Publisher: The American Astronomical Society
Citation: Astrophysical Journal, Vol. 610, No. 1, Part 1, pp. 532 - 536
Abstract: We present an independent method for obtaining the three-dimensional space speed of a coronal mass ejection in the lower solar atmosphere through ray-tracing analysis of the thermal radio counterpart of its frontal loop in the metric wavelength range. The scheme was tested on the halo event observed on 1998 January 21, obtaining an estimated space speed of 580 km s-1. We also separately calculated the speed along the line of sight and in the plane of the sky, obtaining values of ~318 and 485 km s-1, respectively.
ISSN: 0004-637X
Appears in Collections:IIAP Publications

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