The structural properties of Cepheid velocity curves

Details The structural properties of Cepheid velocity curves The structural properties of Cepheid velocity curves

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...265..996s&link_type=abstract

Astrophysical Journal, Part 1, vol. 265, Feb. 15, 1983, p. 996-998.

Astronomy and Astrophysics

Astrophysics

26

Cepheid Variables, Radial Velocity, Stellar Oscillations, Fourier Analysis, Light Curve, Orbital Elements

Scientific paper

Fourier decompositions are performed on the velocity curves of eleven classical Cepheids. The progression of curve shape with period is described in terms of combinations of the lower order Fourier coefficients. These quantities are shown to change with pulsation period in a manner similar to that already demonstrated for Cepheid light variations. Further velocity observations are recommended, particularly in the period range 10-16 days.

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