The Origin of Helicity in Solar Active Regions
نویسندگان
چکیده
منابع مشابه
The Origin of Helicity in the Solar Active Regions
We present calculations of helicity based on our solar dynamo model and show that the results are consistent with observational data.
متن کاملThe Origin of Helicity in Solar Active Regions
We present calculations of helicity based on our solar dynamo model and show that the results are consistent with observational data.
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We calculate helicities of solar active regions based on the idea that poloidal flux lines get wrapped around a toroidal flux tube rising through the convection zone, thereby giving rise to the helicity. Rough estimates based on this idea compare favorably with the observed magnitude of helicity. We use our solar dynamo model based on the Babcock-Leighton a-effect to study how helicity varies w...
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There is a recurring question in solar physics regarding whether or not electric currents are neutralized in active regions (ARs). This question was recently revisited using three-dimensional (3D) magnetohydrodynamic (MHD) numerical simulations of magnetic flux emergence into the solar atmosphere. Such simulations showed that flux emergence can generate a substantial net current in ARs. Other s...
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2004
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921304005083