Abstract
The semiannual mean CME velocities for the time interval of 1979–1989 have been analyzed to reveal a complex cyclic variation with a peak at the solar cycle maximum and a secondary peak at the minimum of the cycle. The growth of the mean CME width is accompanied by a growth of the mean CME velocity. It is shown that the cyclic variations of the mean CME velocity and the mean CME width are associated with the cyclic variations of the large-scale magnetic field structure and that the secondary peak of the semiannual mean CME velocity in 1985–1986 is due to a significant contribution of fast CMEs with a width of ∼100° at the minimum of the cycle. This peak is supposed to be due to the increasing role of the global large-scale magnetic field system with a characteristic size of cells of ∼ 70°–100° at the minimum of the cycle and the respective particularities of the large-scale magnetic field configuration in the corona.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Ambrož, P., 1992, in S. Fisher and M. Vandas, (eds.), Proceedings of the First SOLTIP Symposium, Vol. 21, p. 38.
Burkepile, J. T. and St. Cyr, O. C.: 1993, A Revised and Expanded Catalogue of Mass Ejections Observed by the Solar Maximum Mission Coronograph, High Altitude Obs., Natl. Cent. for Atmos. Res., Boulder, Colorado.
Gosling, J. T.: 1993, J. Geophys. Res. 98, 937.
Howard, R. A., Sheeley, N.R., Jr., Koomen, M. J., and Michels, D. J.: 1991, Preliminary CME List, Washington.
Hundhausen, A. J.: 1993, J. Geophys. Res. 98, 13177.
Hundhausen, A. J., Burkepile, J. T., and St. Cyr., O. C.: 1994, J. Geophys. Res. 99, 6543.
Ivanov, E. V.: 1986, Soln. Dann. No. 7, 61.
Ivanov, E. V.: 1994, in D. N. Baker, V. O. Papitashvili, and M. J. Teague, (eds.), Solar Terrestrial Energy Program, The Initial Results from STEP Facilities and Theory Campaigns, Proceedings of the 1992 STEP Symposium/5th COSPAR Colloquium held in Laurel, Maryland, U.S.A., 24–28 August 1992, Pergamon, COSPAR Colloquia Series 5, 133.
Ivanov, E. V.: 1995, Bull. Russian Acad. Sci. 59, 1133.
Ivanov, E. V.: 1996, J. Geomagn. Geoelec. 48, 11.
Ivanov, E. V., Obridko, V. N., and Shelting, B. D.: 1997, Astron. Reports 41, 236.
Ivanov, E. V., Obridko, V. N., Nepomnyashchaya, E. V., and Kutilina, N. V.: 1999, Solar Phys. 184, 369.
Kahler, S. W.: 1992, Ann. Rev. Astron. Astrophys. 30, 113.
MacQueen, R. M. and St. Cyr, O. C.: 1991, Icarus 90, 96.
Obridko, V. N. and Ermakov, F. A.: 1989, Astron. Circ. 1539, 24.
Obridko, V. N. and Shelting, B. D.: 1992, Solar Phys. 137, 167.
Obridko, V. N. and Shelting, B. D.: 1999, Solar Phys. 187, 185.
Webb, D. F.: 1992, in Z. Švestka, B. Jackson, and M. Machado (eds.), Eruptive Solar Flares, Lecture Notes in Physics 399, p. 234.
Webb, D. F.: 1995, Rev. Geophys. Suppl. 33, 577.
Webb, D. F.: 1997, in E. Sagawa and M. Akioka, (eds.), Workshop on Solar Flares and Related Disturbances, Proceedings of a Workshop at Hitachi, Japan, January 23–25, 1996, Hiraiso Solar Terrestrial Research Center, p. 85.
Webb, D. F., Kahler, S. W., McIntosh, P. S., and Klimchuk, J. A.: 1997, J. Geophys. Res. 102, 24161.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Ivanov, E., Obridko, V. Cyclic Variations of CME Velocity. Solar Physics 198, 179–195 (2001). https://doi.org/10.1023/A:1005262229811
Issue Date:
DOI: https://doi.org/10.1023/A:1005262229811