Abstract:
We study the emergence and evolution of AR NOAA 10314, observed on the solar disk during March 13-19, 2003. This extremely complex AR is of particular interest due to its unusual magnetic flux distribution and the clear rotation of the polarities of a d-spot within the AR. Using SOHO/MDI magnetograms we follow the evolution of the photospheric magnetic flux to infer the morphology of the structure that originates the AR. We determine the tilt angle variation for the d-spot and find a counter-clockwise rotation corresponding to a positive writhed flux tube. We compute the magnetic helicity injection and the total accumulated helicity in the AR and find a correlation with the observed rotation. © 2012 International Astronomical Union.
Registro:
Documento: |
Artículo
|
Título: | Evolution of a very complex active region during the decay phase of Cycle 23 |
Autor: | Poisson, M.; Fuentes, M.L.; Mandrini, C.H.; Démoulin, P.; Pariat, E. |
Filiación: | Instituto de Astronomía y F́sica Del Espacio (CONICET-UBA), CC 67 Suc 28, 1428 Buenos Aires, Argentina Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina Observatoire de Paris, LESIA, 92195 Meudon, France
|
Palabras clave: | Sun: magnetic fields; Sun: photosphere |
Año: | 2011
|
Volumen: | 7
|
Número: | S286
|
Página de inicio: | 246
|
Página de fin: | 249
|
DOI: |
http://dx.doi.org/10.1017/S1743921312004929 |
Título revista: | Proceedings of the International Astronomical Union
|
Título revista abreviado: | Proc. Int. Astron. Union
|
ISSN: | 17439213
|
PDF: | https://bibliotecadigital.exactas.uba.ar/download/paper/paper_17439213_v7_nS286_p246_Poisson.pdf |
Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17439213_v7_nS286_p246_Poisson |
Referencias:
- Fan, Y., (2009) Living Reviews in Solar Physics, 6, p. 4
- Linton, M.G., Dahlburg, R.B., Fisher, G.H., Longcope, D.W., (1998) ApJ, 507, p. 404
- Liu, C., Deng, N., Liu, Y., (2005) ApJ, 622, p. 722
- Ïopez Fuentes, M.C., D́emoulin, P., Mandrini, C.H., Pevtsov, A.A., Van Driel-Gesztelyi, L., (2003) A&A, 397, p. 305
- Pariat, E., D́emoulin, P., Berger, M.A., (2005) A&A, 439, p. 1191
- Poisson, M., Ïopez Fuentes, M., Mandrini, C.H., D́emoulin, P., Pariat, E., (2011) Submitted to Adv Space Res
- Scherrer, P.H., Bogart, R.S., Bush, R.I., (1995) Sol. Phys., 162, p. 129
- Schuck, P.W., (2005) ApJ, 632, pp. L53
- Schuck, P.W., (2006) ApJ, 646, p. 1358
- Szajko, N., Cristiani, G., Mandrini, C.H., Dal Lago, A., (2011) This Volume
Citas:
---------- APA ----------
Poisson, M., Fuentes, M.L., Mandrini, C.H., Démoulin, P. & Pariat, E.
(2011)
. Evolution of a very complex active region during the decay phase of Cycle 23. Proceedings of the International Astronomical Union, 7(S286), 246-249.
http://dx.doi.org/10.1017/S1743921312004929---------- CHICAGO ----------
Poisson, M., Fuentes, M.L., Mandrini, C.H., Démoulin, P., Pariat, E.
"Evolution of a very complex active region during the decay phase of Cycle 23"
. Proceedings of the International Astronomical Union 7, no. S286
(2011) : 246-249.
http://dx.doi.org/10.1017/S1743921312004929---------- MLA ----------
Poisson, M., Fuentes, M.L., Mandrini, C.H., Démoulin, P., Pariat, E.
"Evolution of a very complex active region during the decay phase of Cycle 23"
. Proceedings of the International Astronomical Union, vol. 7, no. S286, 2011, pp. 246-249.
http://dx.doi.org/10.1017/S1743921312004929---------- VANCOUVER ----------
Poisson, M., Fuentes, M.L., Mandrini, C.H., Démoulin, P., Pariat, E. Evolution of a very complex active region during the decay phase of Cycle 23. Proc. Int. Astron. Union. 2011;7(S286):246-249.
http://dx.doi.org/10.1017/S1743921312004929