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| Paper: |
Stellar activity - Constraints expected from space experiments |
| Volume: |
40, Inside the Stars, IAU Colloquium 137 |
| Page: |
634 |
| Authors: |
Catala, Claude |
| Abstract: |
Dynamo theory needs to be guided and tested by observations. However, solar observations alone cannot provide sufficient tests of the dynamo models, and constraints obtained from stellar observations are still few, indirect, and poorly related to the properties of dynamos. This review discusses which parameters must be observed on stars other than the sun to usefully guide the theoretical efforts and test the resulting models. We show that most of these observables, which characterize the stellar activity phenomena, are accessible only from space, and that space-based experiments are one of the best tools to trigger progress in the field of solar and stellar activity in the next few decades. |
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