ROSES ID: NNH15ZDA001N Selection Year: 2015
Program Element: Focused Science Topic
Principal Investigator: Benjamin Brown
Affiliation(s): University Of Colorado, Boulder
Project Member(s):
Rast, Mark Peter Co-I University Of Colorado, Boulder
Oishi, Jeffrey S Co-I State University of New York, Farmingdale
Wimert, Carol Co-I
Dickinson, Gwen Co-I
Toomre, Juri Co-I University Of Colorado, Boulder
Brun, Allan Sacha Co-I University Of Colorado, Boulder
Miesch, Mark Co-I University Corporation For Atmospheric Research (UCAR)
Summary:
Magnetism is a ubiquitous feature of stars like our Sun. Stars on the lower main sequence generate their magnetic fields by dynamo action in their sub-photospheric convection zones. When stars like the Sun are young, they rotate much more rapidly and are much more magnetically active. High coronal X-ray emission in young stars, cyclic magnetism, and frequent large stellar flares must profoundly affect these potential abodes of exosolar life. Likewise, solar magnetic activity and space weather affect life here on Earth. In this proposed research, we will probe the fundamental physics of dynamo action across the lower main-sequence of sun-like stars. The proposed work involves numerical and theoretical studies of global-scale stellar dynamo action, seeking to understand the fundamental physics that drive stellar dynamos in solar-like stars. This effort includes global-scale 3-D MHD simulations on supercomputers, mean field models, and significant work to understand the underlying fundamental physical processes occurring in stellar dynamos.Performance Year | Reference | Investigation Type | Actions |
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1 | Alvarado-Gómez, J. D.; Hussain, G. A. J.; Cohen, O.... | not set | |
1 | Alvarado-Gómez, Julián David; Hussain, G.; Grunhut, J.; Co... | not set | |
1 | Alvarado-Gómez, J. D.; Hussain, G. A. J.; Cohen, O.; Drake,... | not set |