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Study of solar flares associated with Geoeffective CMEs

  • Veena Choithani (a1), Rajmal Jain (a1) and Duggirala Pallamraju (a2)

Abstract

We study 30 solar flare events associated with coronal mass ejections (CMEs) that produced geomagnetic storms as measured in Dst index. Our study reveals that the magnitude of Dst index is significantly associated with maximum solar wind speed, peak of Bz component of the IMF and the product of peak Bz and solar wind speed (minimum and maximum). From our investigations, it can be inferred that CMEs travel with higher speed in the beginning and their speed reduces as they reach L1 location.

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References

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Ameri, D. & Valtonen, E., 2017, Sol. Phys, 292, 20
Dungey, J. W., 1963, Planetary and Space Science, 10, 233
Gopalswamy, N., Yashiro, S., & Akiyama, S., 2007, Geophys. Res. Lett., 112, A06112
Jain, R., Aggarwal, M., & Kulkarni, P., 2010, Research in Astronomy and Astrophysics, 10, 473
Tsurutani, B. T., Lee, Y. T., Gonzalez, W. D., & Tang, F., 1992, Geophys. Res. Lett., 19, 73
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Study of solar flares associated with Geoeffective CMEs

  • Veena Choithani (a1), Rajmal Jain (a1) and Duggirala Pallamraju (a2)

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