Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 484, Issue 3, Pages 4393-4400Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stz308
Keywords
Sun: photosphere; sunspots; Sun: magnetic fields
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Funding
- Russian Science Foundation [18-12-00131]
- Russian Science Foundation [18-12-00131] Funding Source: Russian Science Foundation
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We use observations of line-of-sight magnetograms from Helioseismic and Magnetic Imager onboard of Solar Dynamics Observatory to investigate polarity separation, magnetic flux, flux emergence rate, twist and tilt of solar emerging active regions. Functional dependence of polarity separation and maximum magnetic flux of an active region is in agreement with a simple model of flux emergence as the result of buoyancy forces. Our investigation did not reveal any strong dependence of emergence rate on twist properties of active regions.
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