Solar and Stellar Magnetic Activity
This timely volume provides the first comprehensive review and synthesis of current understanding of magnetic fields in the Sun and similar stars. Magnetic activity results in a wealth of phenomena - including starspots, non-radiatively heated outer atmospheres, activity cycles, deceleration of rotation rates, and even, in close binaries, stellar cannibalism - all of which are covered clearly and authoritatively. This book brings together for the first time recent results in solar studies and stellar studies. The result is an illuminating new view of stellar magnetic activity. Key topics include radiative transfer, convective simulations, dynamo theory, outer-atmospheric heating, stellar winds and angular momentum loss. Researchers are provided with a state-of-the-art review of this exciting field, and the pedagogical style and introductory material make the book an ideal and welcome introduction for graduate students.
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2 Stellar structure
3 Solar differential rotation and meridional flow
4 Solar magnetic structure
5 Solar magnetic configurations
6 Global properties of the solar magnetic field
7 The solar dynamo
8 The solar outer atmosphere
9 Stellar outer atmospheres
10 Mechanisms of atmospheric heating
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ˆtc acoustic active regions active stars approximately basal binaries bipolar bright chromospheric component concentrations convection zone convective envelope cool stars core coronal holes cycle decreases dependence differential rotation diffusion discussed in Section disk dominant dynamo effective temperature emission energy equation evolution faculae field lines field strength filament filling factor flares flux loops flux tubes function giants granulation heating increases km/s large-scale latitude layer M-type magnetic activity magnetic braking magnetic field magnetic flux density magnetic structure magnetograms main sequence main-sequence stars measured meridional flow observed opposite polarity optical outer atmosphere parameters pattern photosphere plages plasma pressure scale height profiles radiation radiative losses range reconnection relationship relatively rotation period rotation rate scale height Schrijver soft X-ray solar spectral lines spectral type spectrum spots stellar rotation sunspot supergranulation Teff thermal toroidal transition-region turbulent umbral velocity waves wind Zwaan