Poleward migration of the magnetic neutral line and the reversal of the polar fields on the sun. I - Period 1945-1981

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/3833

Title:	Poleward migration of the magnetic neutral line and the reversal of the polar fields on the sun. I - Period 1945-1981
Authors:	Makarov, V. I Fatianov, M. P Sivaraman, K. R
Keywords:	Lines of Force Magnetic Field Configurations Magnetic Poles Solar Magnetic Field Drift Rate Latitude Long Term Effects Northern Hemisphere Polarity Temporal Distribution
Issue Date:	Jun-1983
Publisher:	Springer
Citation:	Solar Physics, Vol. 85, No. 2, pp. 215 - 226
Abstract:	Poleward migration of the magnetic neutral line on the sun has been calculated for the periods 1945-1950 and 1955-1981 using synoptic charts based on H-alpha observations. Epochs of sign reversal of the solar magnetic field at latitudes 50 to 90 deg have been determined for these periods. During the cycles 19 and 20 a threefold sign reversal took place in the northern hemisphere. During all the above cycles both the solar poles were of one polarity for a period ranging from 0.5 to 1 year. The poleward drift velocity of the magnetic neutral line varies from 6 to 29 m/s and seems to depend on the strength of the cycle.
URI:	http://hdl.handle.net/2248/3833
ISSN:	0038-0938
Appears in Collections:	IIAP Publications

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