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Astron. Astrophys. 324, 133-136 (1997)

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1. Introduction

Pardo & Poretti (1997, hereinafter Paper I) made a frequency analysis of the available photometry of galactic double-mode Cepheids (DMCs) and obtained a very reliable set of Fourier parameters for each star. However, a fully comprehensive and synthetic (as can be done by few well-defined parameters) observational description of the DMC light curves is still lacking. In this work, directly originating from the previous one, we try to determine the common characteristics of the DMC light curves, searching for the boundary values of the Fourier parameters and regularities in their progression.

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© European Southern Observatory (ESO) 1997

Online publication: May 26, 1998

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