Modelling stellar activity cycles using deep-seated dynamos and surface flux transport

Autor:	Işik, Emre, Schmitt, Dieter, Schüssler, Manfred
Rok vydání:	2012
Předmět:	Astrophysics - Solar and Stellar Astrophysics
Druh dokumentu:	Working Paper
DOI:	10.1017/S1743921313002883
Popis:	We investigate the relations between tachocline-based dynamos and the surface flux transport mechanisms in stars with outer convection zones. Using our combined models of flux generation and transport, we demonstrate the importance of the buoyant rise of magnetic flux, which physically determines the emergence latitudes and tilt angles of bipolar magnetic regions. The combined effects of the dynamo strength, flux rise, and surface transport lead to various cyclic and non-cyclic time series of total unsigned surface magnetic flux. Comment: 2 pages, to appear in the Proceedings of the IAU Symposium 294 - Solar and Astrophysical Dynamos
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1211.1414 Zobrazit plný text záznamu Plný text ve formátu PDF