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http://hdl.handle.net/2248/3621| Title: | New results concerning the global solar cycle |
| Authors: | Makarov, V. I Sivaraman, K. R |
| Keywords: | Solar activity Solar cycles Solar magnetic field Solar prominences H alpha line Magnetic field configurations Polarity Shear stress Sunspot cycle Synoptic measurement |
| Issue Date: | Sep-1989 |
| Publisher: | Springer |
| Citation: | Solar Physics, Vol. 123, No. 2, pp. 367 - 380 |
| Abstract: | The poleward migration-trajectory diagram of filament bands is derived for the years 1915-1982 from the H-alpha synoptic charts. The global solar activity commences soon after the polar-field reversal in the form of two components in each hemisphere. The first component is identified with the polar faculae that appear at latitudes 40-70 deg and migrate polewards. The second and the more powerful component representing the sunspots shows up at 40 deg latitudes 5-6 years later and drifts equatorward, giving rise to a butterfly diagram. Thus the global solar activity is described by the faculae and the sunspots that occur at different latitude belts and displaced in time by 5-6 years. |
| URI: | http://hdl.handle.net/2248/3621 |
| ISSN: | 0038-0938 |
| Appears in Collections: | IIAP Publications |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| New results concerning the global solar cycle | 1.42 MB | Adobe PDF |  View/Open |
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