Physical parameters of solar neighbourhood flare stars

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Flare Stars, Radii, Stellar Evolution, Stellar Luminosity, Stellar Spectrophotometry, Stellar Temperature, Binary Stars, Black Body Radiation, Data Processing, Electrophotometry, Stellar Magnitude

Scientific paper

Effective temperature, bolometric luminosity, and radius are estimated for 36 solar neighborhood flare stars from photoelectrically determined magnitudes by comparing the observed flux distributions to black body radiation. A comparison between the physical parameters derived from the observational data and theoretical models for low mass stars shows that solar neighborhood flare stars are situated on or close to the main sequence. The models of Grossman et al. (1974) are found to agree very well with observations. Radii obtained from the Barnes-Evans relation are compared to radii in the present work.

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