The pulsation modes of CO AUR

Details The pulsation modes of CO AUR The pulsation modes of CO AUR

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987stin...8812430b&link_type=abstract

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Physics

Cepheid Variables, Pulsed Radiation, Stellar Radiation, Harmonics, Radial Velocity, Radii, Stellar Spectrophotometry

Scientific paper

Photoelectric measurements in radial velocity and photometry of the
peculiar double-mode Cepheid CO Aur, confirm the 2 periods P1 = 1d.78
and P2 = 1d.43. A mean radius of 43 +/- 13 solar radii is derived by
applying the Baade-Wesselink method. It is suggested that CO Aur is
radially pulsating in 2 overtone modes, probably 1 and 2.

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