Abstract
view Abstract Citations (130) References (23) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Measurements of rotation and turbulence in F, G and K dwarfs. Gray, D. F. Abstract Spectral line broadening in 18 F, G, and K dwarfs is analyzed for rotation and macroturbulence. Zeeman broadening is shown to have a significant effect on the derived parameters in late G and early K dwarfs. Support is found for the traditional (lower) v sin i scale. The rotation of the sun is probably normal compared to other stars. The average macroturbulence velocity decreases rapidly with advancing spectral type at the rate of 4 km/s per thousand degrees of effective temperature. The macroturbulence velocity is proportional to the granulation velocities for F and G stars. Publication: The Astrophysical Journal Pub Date: June 1984 DOI: 10.1086/162149 Bibcode: 1984ApJ...281..719G Keywords: Atmospheric Turbulence; Dwarf Stars; F Stars; G Stars; K Stars; Line Spectra; Stellar Rotation; Zeeman Effect; Angular Velocity; Doppler Effect; Fourier Transformation; Photosphere; Solar Rotation; Astrophysics full text sources ADS | data products SIMBAD (18)
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