An Uvby-Beta Photometric Study of the Peculiar Cepheid V473-LYRAE

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

We present uvbyβ photometry for the peculiar cepheid V473 Lyr, obtained in 1987 and 1988, and a detailed discussion about interstellar reddening, intrinsic colours and the calibration of relevant physical parameters.
V473 Lyr is found to be a classical cepheid pulsating in the second or higher overtone. Fundamental mode pulsations and a Population II cepheid membership are not compatible with our data.

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