Evolution of magnetic helicity in NOAA 10923 over three consecutive solar rotations

Astrophysics and Space Science Proceedings

Volumn 0, Issue , 2009, Pages 329-335

  Tiwari, Sanjiv Kumar ^a   Joshi, Jayant ^a   Gosain, Sanjay ^a   Venkatakrishnan, P ^a  

^a PHYSICAL RESEARCH LABORATORY   (India)

Author keywords

Chirality; Sigmoids; Sun: Helicity; Superpenumbral whirls

Indexed keywords

CHROMOPHORES; ROTATION; TELESCOPES;

ACTIVE REGIONS; CORONAL LOOPS; FIELD VECTORS; HELICITIES; MAGNETIC HELICITY; SIGMOIDS; SOLAR ROTATION; SUN: HELICITY; SUPERPENUMBRAL WHIRL; TRANSVERSE FIELD;

CHIRALITY;

EID: 77949512294     PISSN: 15706591     EISSN: 15706605     Source Type: Conference Proceeding    
DOI: 10.1007/978-1-4020-8868-1_22     Document Type: Conference Paper

References (15)

1. Seehafer, N., 1990, Solar Phys., 125, 219.
2. Pevtsov, A., Canfield, R. C. and Metcalf, T. R., 1995, ApJ, 440, L109
3. Martin, S. F., 1998, ASP Conference Series, 150, 419.
4. Hale, G. E., 1925, Publ. Astron. Soc. Pacific, 37, 268.
5. Richardson, R. S., 1941, Astrophys. J., 93, 24
6. Martin, S. F., Lin, Y., Engvold, O., 2006, American Astronomocal Society, SPD Meeting, 37, 129
7. Berger, M. A. and Field, G. B., 1984, J. Fluid Mech., 147, 133.
8. Berger, M.A. 1999, Magnetic Helicity in Space and Laboratory Plasmas, Geophys. Monograph, Vol. 111, American Geophysical Union, p. 1.
9. Choudhuri, A. R., et al., 2004, Astrophys. J., 615, L57.
10. Zhang, H., et al., 2006 MNRAS, 365
11. Chaterjee, P. 2006, J. Astron. Astrophys., 27, 89.
12. Sokoloff, D., 2006, Astronomische Nachrichten, 327, Issue 9, 876
13. Gosain, S., Venkatakrishnan, P. and Venugopalan, K. 2005, Exp. Astron., 18, 31.
14. Gosain, S., Venkatakrishnan, P. and Venugopalan, K. 2006, J. Astrophys. Astron., 27, 285.
15. Rust, M.D. and Martin, S.F. 1994, ASP Conference Series, 68, 337.