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http://hdl.handle.net/2248/5308| Title: | Evolution of the active region NOAA 10570 associated with the flares |
| Authors: | Sundararaman, K Ramesh, K. B Selvendran, R |
| Issue Date: | Dec-2004 |
| Publisher: | Anita Publications |
| Citation: | Asian Journal of Physics, Vol. 13, No. 3&4, pp. 297-304 |
| Abstract: | The structure and evolution of the photospheric magnetic fields observed in the active region NOAA 10570 are analyzed using Kodaikanal photoheliogram and spectroheliogram data. It is attempted to evaluate the shear angle changes by carefully observing the prominent umbrae belonging to the active region. These changes in the orientation of the umbrae infer the rotational motion developed in the sunspot group. It is found that the flux and shear angle changes observed in the sunspot configurations are related to triggering of flares in the active region NOAA 10570. |
| URI: | http://hdl.handle.net/2248/5308 |
| Appears in Collections: | IIAP Publications |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Evolution of the active region NOAA 10570 | 276.43 kB | Adobe PDF |  View/Open |
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