Magnetic helicity change rate associated with three x-class eruptive flares

Advances in Space Research

Volumn 32, Issue 10, 2003, Pages 1953-1958

  Moon, Y J ^a,b   Chae, Jongchul ^a,c   Wang, Haimin ^a   Park, Y D ^b  

^a NEW JERSEY INSTITUTE OF TECHNOLOGY   (United States)

^b Korea Astronomy and Space Science Institute (KASI)   (South Korea)

^c Chungnam National University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

DOPPLER EFFECT; IMAGING TECHNIQUES; MAGNETIC FIELDS; MAGNETOMETERS; SUN;

MAGNETIC HELICITY;

SPACE RESEARCH;

SOLAR ACTIVITY;

EID: 0345790410     PISSN: 02731177     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0273-1177(03)90632-6     Document Type: Article

References (19)

1. Anwar, B. L. W. Acton, H. S. Hudson et al., Rapid sunspot motion during a major solar flare, Sol. Phys., 147, 287-303, 1993.
2. Berger, M. A., and G. B. Field, The topological properties of magnetic helicity, J. Fluid Mech., 147, 133-148, 1984.
3. Canfield, R. C., and A. A. Pevtsov, Helicity and reconnection in the solar corona: observations, in Magnetic Helicity in Space and Laboratory Plasmas, ed. M. R. Brown, R. C. Canfield, and A. A. Pevtsov, pp. 197-204, AGU, Washington, DC, 1999.
4. Chae, J., The magnetic helicity sign of filament chirality, Astrophys. J., 540, L115-L118, 2000.
5. Chae, J., Observational determination of the rate of magnetic helicity transport through the solar surface via the horizontal motion of field line footpoints, Astrophys. J., 560, L95-L98, 2001.
6. Chae, J., H. Wang, J. Qiu et al., The formation of a prominence in Active Region NOAA 8668. I. SOHO/MDI observations of magnetic field evolution, Astrophys. J., 560, 476-489, 2001.
7. Chae, J., Y.-J. Moon, D. M. Rust et al., Transient shear flows observed in active regions: magnetic helicity pumping by twisted flux tube expansion, Submitted to Astrophys. J., 2002.
8. Demoulin, P., C. H. Mandrini, L. van Driel-Gesztelyi et al., What is the source of the magnetic helicity shed by CMEs? The long-term helicity budget of AR 7978, Astron. Astrophys., 382, 650-665, 2002.
9. Harvey, K. L. and J. W. Harvey, A study of the magnetic and velocity fields in an active region, Sol. Phys. 233, 233-246, 1976.
10. Kusano, K., T. Maeshiro, T. Yokoyama et al., Measurement of magnetic helicity injection and free energy loading into the solar corona, Astrophys. J., 577, 501-512, 2002.
11. Moon, Y.-J., J. Chae, G. S. Choe et al., Flare activity and magnetic helicity injection by photospheric horizontal motions, Astrophys. J., 574, 1066-1073, 2002a (Paper I).
12. Moon, Y.-J., J. Chae, H. Wang et al., Impulsive variations of magnetic helicity change rate associated with eruptive flares, Astrophys. J., 580, 528-537, 2002b (Paper II).
13. Moon, Y.-J., G. S. Choe, H. Wang et al., The CME-flare relationship in homologous eruptive events, Submitted to Astrophys. J., 2002c.
14. November, L. J., and G. W. Simon, Precise proper-motion measurement of solar granulation, Astrophys. J., 333, 427-442, 1988.
15. Pevtsov, A. A., R. C. Canfield, and T. Metcalf, Latitudinal variation of helicity of photospheric magnetic fields, Astrophys. J., 440, L109-L112, 1995.
16. Pevtsov, A. A., and R. C. Canfield, Helicity of the photospheric magnetic field, in Magnetic Helicity in Space and Laboratory Plasmas, ed. M. R. Brown, R. C. Canfield, and A. A. Pevtsov, pp. 103-110, AGU, Washington, DC, 1999.
17. Rust, D. M., Magnetic helicity in solar filaments and coronal mass ejections, in Magnetic Helicity in Space and Laboratory Plasmas, ed. M. R. Brown, R. C. Canfield, and A. A. Pevtsov, pp. 221-228, AGU, Washington, DC, 1999.
18. Wang, H., P. Gallagher, V. B. Yurchyshyn et al., Core and large-scale structure of the November 24 X-class flare and coronal mass ejection, Astrophys. J., 569, 1026-1031, 2002a.
19. Wang, H., Spirock, T. J., J. Qiu et al., Rapid changes of magnetic fields associated with six X-class flares, Astrophys. J., 576, 497-504, 2002b.