CO AUR and the double mode Cepheids

Details CO AUR and the double mode Cepheids CO AUR and the double mode Cepheids

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...133...52a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 133, no. 1, April 1984, p. 52-56.

Astronomy and Astrophysics

Astrophysics

26

Astronomical Photometry, Cepheid Variables, Light Curve, Stellar Spectra, Electrophotometry, Fourier Analysis, Periodic Variations, Phase Shift, Radial Velocity, Supergiant Stars, Ubv Spectra

Scientific paper

New photoelectric observations confirm that CO Aur is a short period, double mode Cepheid, with the period ratio indicating the excitation of first and second overtones. The Fourier analysis of double mode Cepheid light curves confirms the importance of the phase difference φ21 for the determination of the pulsational mode of a Cepheid.

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