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Global and Photospheric Physical Parameters of Active Dwarf Stars

Published online by Cambridge University Press:  12 April 2016

B.R. Pettersen
B.R. Pettersen*
Affiliation:
Institute of Mathematical and Physical Sciences, University of Tromsø, N-9001 Tromsø, Norway

Abstract

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Physical parameters (temperature, luminosity, radius, mass and chemical abundance) of the photospheres of red dwarf flare stars and spotted stars are determined for quiescent conditions. The interrelations between these quantities are compared to the results of theoretical investigations for low mass stars. The evolutionary state of flare stars is discussed. Observational results from spectroscopic and photometric methods to determine the rotation of active dwarfs are reviewed. The possibilities of global oscillations in dwarf stars are considered and preliminary results of a photometric search for oscillation in red dwarf luminosities are presented.

Type
Session I: General Characteristics of Active Dwarfs
Information
International Astronomical Union Colloquium , Volume 71: Activity in Red-Dwarf Stars , 1983 , pp. 17 - 33
Copyright
Copyright © Reidel 1983

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