NDLI: CME Propagation Characteristics from Radio Observations

Content Provider	Springer Nature Link
Author	Pohjolainen, S. Driel Gesztelyi, L. Culhane, J. L. Maharan, P. K. Elliott, H. A.
Copyright Year	2007
Abstract	We explore the relationship among three coronal mass ejections (CMEs), observed on 28 October 2003, 7 November 2004, and 20 January 2005, the type II burst-associated shock waves in the corona and solar wind, as well as the arrival of their related shock waves and magnetic clouds at 1 AU. Using six different coronal/interplanetary density models, we calculate the speeds of shocks from the frequency drifts observed in metric and decametric radio wave data. We compare these speeds with the velocity of the CMEs as observed in the plane-of-the-sky white-light observations and calculated with a cone model for the 7 November 2004 event. We then follow the propagation of the ejecta using Interplanetary Scintillation measurements, which were available for the 7 November 2004 and 20 January 2005 events. Finally, we calculate the travel time of the interplanetary shocks between the Sun and Earth and discuss the velocities obtained from the different data. This study highlights the difficulties in making velocity estimates that cover the full CME propagation time.
Starting Page	167
Ending Page	188
Page Count	22
File Format	PDF
ISSN	00380938
Journal	Solar Physics
Volume Number	244
Issue Number	1-2
e-ISSN	1573093X
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-09-27
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Coronal mass ejections Initiation and propagation Interplanetary Plasma physics Radio bursts Dynamic spectrum Meter-wavelengths and longer Type II Radio scintillation Astrophysics Extraterrestrial Physics, Space Sciences Astronomy
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Space and Planetary Science

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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