Coronal Mass Ejections modelling simulation
DOI:
https://doi.org/10.61173/7j7e7164Keywords:
solar flares, coronal mass ejection, cone modeAbstract
A violent solar eruption has the potential to disrupt the normal functioning of radio and cell phone technology, impeding communication and navigation. In addition, it could cause direct damage to artificial vehicles, resulting in non-structrual effects on the current human environment. In this paper, a solar eruption event was selected to represent typical occurrences, encompassing both solar flares and a coronal mass ejection. According to multiband observations, the flare is triggered by the magnetic flow emerging and disturbing the quadrupole magnetic field structure. The far-UV band observations found that the flare burst caused significant far-UV waves. We analyze the temporality of flare and coronal mass ejections to determine coronal mass ejections and flare are two manifestations of the same eruption event. This research adopted an improved cone model according to the multi-angle observation to simulate the real propagation direction, velocity and morphological evolution after the eruption, aimed to give an early warning to the earth’s space environment.References
ter the flare peak (approximately 17:50 UT), SOHO/LAS- Drake, J. F., ... & Waltham, N. (2012). The atmospheric imaging CO and STEREO/SECHHI both detected a northwest-fac- assembly (AIA) on the solar dynamics observatory (SDO). Solar ing CME. Considering the observed azimuth and angular Physics, 275, 17-40. width of STEREO/SECHHI, we believe that these two 3. Scherrer, P. H., Schou, J., Bush, R. I., Kosovichev, A. G., are plane projections of the same CME at different angles. Bogart, R. S., Hoeksema, J. T., Liu, Y., Duvall, T. L., Zhao, J.,
A “black box” of 1/2 solar radius exists between the Title, A. M., Schrijver, C. J., Tarbell, T. D., & Tomczyk, S. (2011). observed fields of the coronagraph and SDO, which pre- The Helioseismic and Magnetic Imager (HMI) investigation for cludes further analysis. The occluded area precludes an the Solar Dynamics Observatory (SDO). Solar Physics, 275(1– accurate assessment of the source region of the CME. 2), 207–227. However, based on the correlation between morphological 4. Brueckner, G. E., Howard, R. A., Koomen, M. J., Korendyke, evolution and time evolution, it can be postulated that the C. M., Michels, D. J., Moses, J. D., Socker, D. G., Dere, K. P., flare and CME represent two distinct manifestations of a Lamy, P. L., Llebaria, A., Bout, M. V., Schwenn, R., Simnett,
single eruption. The eruption initially triggers the flare and G. M., Bedford, D. K., & Eyles, C. J. (1995b). The Large Angle displaces the magnetic field above the active region. The Spectroscopic Coronagraph (LASCO). Solar Physics, 162(1–2), accelerated high-energy particle flow then propels through 357–402. the disrupted magnetic field gap, forming the CME.Based 5. Howard, R. A., Moses, J. D., Vourlidas, A., Newmark, J. Dean&Francis ISSN 2959-6157 S., Socker, D. G., Plunkett, S. P., Korendyke, C. M., Cook, of geometrical and kinematical properties of halo coronal J. W., Hurley, A., Davila, J. M., Thompson, W. T., St Cyr, O. mass ejections using the cone model. Journal of Geophysical C., Mentzell, E., Mehalick, K., Lemen, J. R., Wuelser, J. P., Research: Space Physics, 107(A8), SSH-13.
Duncan, D. W., Tarbell, T. D., Wolfson, C. J., . Carter, T. (2008). 10. Zhang, J., Dere, K. P., Howard, R. A., Kundu, M. R., &
Sun Earth Connection Coronal and Heliospheric Investigation White, S. M. (2001). On the temporal relationship between (SECCHI). Space Science Reviews, 136(1–4). coronal mass ejections and flares. The Astrophysical Journal, 6. Michałek, G., Gopalswamy, N., & Yashiro, S. (2003). A new 559(1), 452. method for estimating widths, velocities, and source location of 11. Feng, L., Inhester, B., Wei, Y., Gan, W. Q., Zhang, T. L.,
halo coronal mass ejections. The Astrophysical Journal, 584(1), & Wang, M. Y. (2012). Morphological evolution of a three- 472. dimensional coronal mass ejection cloud reconstructed from 7. **e, H., Ofman, L., & Lawrence, G. (2004). Cone model for three viewpoints. The Astrophysical Journal, 751(1), 18. halo CMEs: Application to space weather forecasting. Journal of 12. L. Fenget al. “A Study on the Magnetic Field and Plasma Geophysical Research: Space Physics, 109(A3). Parameters of Coronal Mass Ejections at 1 AU” In: Research in 8. Xue, X. H., Wang, C. B., & Dou, X. K. (2005). An ice‐cream Astronomy and Astrophysics 19 (2019), p. 162. cone model for coronal mass ejections. Journal of Geophysical 13. Fang Cheng, Ding Mingde, and Chen Pengfei. Solar Zone Research: Space Physics, 110(A8). Physics. Nanjing University Press, 2008 9. Zhao, X. P., Plunkett, S. P., & Liu, W. (2002). Determination
Downloads
Published
Issue
Section
License
Copyright (c) 2024 by the authors.

This work is licensed under a Creative Commons Attribution 4.0 International License.
