Journal
SOLAR PHYSICS
Volume 246, Issue 2, Pages 409-414Publisher
SPRINGER
DOI: 10.1007/s11207-007-9062-y
Keywords
Sun; solar activity; Sun; coronal mass ejections; Sun; solar radio emission
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In the present paper we report on the difference in angular sizes between radio-loud and radio-quiet CMEs. For this purpose we compiled these two samples of events using Wind/WAVES and SOHO/LASCO observations obtained during 1996-2005. We show that the radio-loud CMEs are almost twice as wide as the radio-quiet CMEs (considering expanding parts of CMEs). Furthermore, we show that the radio-quiet CMEs have a narrow expanding bright part with a large extended diffusive structure. These results were obtained by measuring the CME widths in three different ways.
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