Observing Dynamos in Cool Stars

Observing Dynamos in Cool Stars

The main aim of this paper is to introduce the most important observables that help us to investigate stellar dynamos and compare those to the modeling results. We give an overview of the available observational methods and data processing techniques that are suitable for such purposes, with touchin...

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Bibliographic Details
Published in:Space science reviews Vol. 186; no. 1-4; pp. 457 - 489
Main Authors: Kvari, Z, Olah, K
Format: Journal Article
Language:English
Published: Dordrecht Springer Netherlands 01-12-2014
Springer Nature B.V
Subjects:
Aerospace Technology and Astronautics
Astrophysics and Astroparticles
Cool stars
Data processing
Dimensional measurements
Magnetic fields
Observational method
Physics
Physics and Astronomy
Planetology
Rotating generators
Solar physics
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Stars & galaxies
Wavelengths
Activity cycle
Differential rotation
Meridional flow
Magnetic activity
Stellar dynamo
Active stars
Online Access:Get full text
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Description
Summary:The main aim of this paper is to introduce the most important observables that help us to investigate stellar dynamos and compare those to the modeling results. We give an overview of the available observational methods and data processing techniques that are suitable for such purposes, with touching upon examples of inadequate interpretations as well. Stellar observations are compared to the solar data in such a way, which ensures that the measurements are comparable in dimension, wavelength, and timescale. A brief outlook is given to the future plans and possibilities. A thorough review of this topic was published nearly a decade ago (Berdyugina in Living Rev. Sol. Phys. 2:8, 2005 ), now we focus on the experiences that have been gathered since that time.
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ISSN:0038-6308
1572-9672
DOI:10.1007/s11214-014-0092-0