Precise Fourier parameters of Cepheid radial velocity curves: Towards refining the Hertzsprung progression models
V. Hocdé,
P. Moskalik,
N. A. Gorynya
et al.
Abstract:Radial velocity (RV) curves of Classical Cepheids allow precise determination of the resonant periods, which in turn help to constrain fundamental parameters of these stars. The RV curves of Cepheids are also useful for identifying their pulsation modes and for distance determination using the parallax-of-pulsation method. The primary goal of this paper is to derive precise Fourier parameters of the RV curves for fundamental and first-overtone Galactic Cepheids. Our secondary objectives are then to analyze th… Show more
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