Abstract
The distribution of times Δt between coronal mass ejections (CMEs) in the Large Angle and Spectrometric Coronagraph (LASCO) CME catalog for the years 1996–2001 is examined. The distribution exhibits a power-law tail ∼(Δt)γ with an index γ≈−2.36±0.11 for large waiting times (Δt>10 hours). The power-law index of the waiting-time distribution varies with the solar cycle: for the years 1996–1998 (a period of low activity), the power-law index is γ≈−1.86±0.14, and for the years 1999–2001 (a period of higher activity), the index is γ≈−2.98±0.20. The observed CME waiting-time distribution, and its variation with the cycle, may be understood in terms of CMEs occurring as a time-dependent Poisson process. The CME waiting-time distribution is compared with that for greater than C1 class solar flares in the Geostationary Operational Environmental Satellite (GOES) catalog for the same years. The flare and CME waiting-time distributions exhibit power-law tails with very similar indices and time variation.
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References
Amari, T., Luciani, J. F., Mikic, Z., and Linker, J.: 2000, Astrophys. J. 529, L49.
Boffetta, G., Carbone, P., Giuliani, P., Veltri, P., and Vulpiani, A.: 1999, Phys. Rev. Lett. 83, 4662.
Canfield, R. C., Hudson, H. S., and Pevtsov, A. A.: 2000, IEEE Trans. Plas. Sci. 28, 1786.
Charbonneau, P., McIntosh, S. W., Liu, H.-L., and Bogdan, T. J.: 2001, Solar Phys. 203, 321.
Crosby, N. B., Aschwanden, N. J., and Dennis, B. R.: 1993, Solar Phys. 143, 275.
Dougherty, B. L., Zirin, H., and Hsu, K.: 2002, Astrophys. J. 577, 457.
Falconer, D. A., Moore, R. L., and Gary, G. A.: 2002, Astrophys. J. 569, 1016.
Harrison, R. A.: 1995, Astron. Astrophys. 304, 585.
Hundhausen, A.: 1999, in K. Strong, J. Saba, B. Haisch, J. Schmelz (eds), The Many Faces of the Sun, A Summary of the Results from NASA's Solar Maximum Mission, Springer-Verlag, New York, p. 143.
Jackson, B. V.: 1997, in B. Tsurutani, W. Gonzalez, Y. Kamide, and J. Arballo (eds.), Magnetic Storms, Geophysical Monograph 98, American Geophysical Union, Washington, p. 59.
Jackson, B. V. and Howard, R. A.: 1993, Solar Phys. 148, 359.
Kahler, S. W.: 1992, Ann. Rev. Astron. Astrophys. 30, 113.
Lu, E. T. and Hamilton, R.: 1991, Astrophys. J. 380, L89.
Norman, J. P., Charbonneau, P., McIntosh, S. M., and Lium H.-L.: 2001, Astrophys. J. 557, 891.
Sánchez, R., Newman, D. E., and Carreras, B. A.: 2002, Phys. Rev. Lett. 88.
Scargle, J.: 1998, Astrophys. J. 504, 405.
Sheeley, N. R., Walters, J. H., Wang, Y.-M., and Howard, R. A.: 1999, J. Geophys. Res. 104, 24739.
Webb, D. F. and Howard, R. A.: 1994, J. Geophys. Res. 99, 4201.
Wheatland, M. S.: 2000, Astrophys. J. 536, L109.
Wheatland, M. S. and Litvinenko, Y. E.: 2002, Solar Phys. 211, 255.
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Wheatland, M. The Coronal Mass Ejection Waiting-Time Distribution. Solar Physics 214, 361–373 (2003). https://doi.org/10.1023/A:1024222511574
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DOI: https://doi.org/10.1023/A:1024222511574