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Differential Fe I Line Shifts as Convective Signatures in R = 40 000 Échelle Spectra?1
Published online by Cambridge University Press: 12 April 2016
Abstract
The convection in stellar atmospheres causes spectral lines to be more or less blue-shifted. The differential wavelength shift between two groups of spectral lines could be used to characterize the convection. This paper describes such an effort using cross-correlations between R ≈ 40 000 échelle spectra and laboratory wavelength templates.
- Type
- Part 7. Convection, Line Asymmetry
- Information
- International Astronomical Union Colloquium , Volume 170: Precise Stellar Radial Velocities , 1999 , pp. 286 - 290
- Copyright
- Copyright © Astronomical Society of the Pacific 1999
Footnotes
Data were obtained at Observatoire de Haute-Provence, France.