Light curve shape variability of SZ cassiopeiae between 1978-1994

Details Light curve shape variability of SZ cassiopeiae between 1978-1994 Light curve shape variability of SZ cassiopeiae between 1978-1994

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ap%26ss.275..247p&link_type=abstract

Astrophysics and Space Science, v. 275, Issue 3, p. 247-258 (2001).

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

The aim of our investigation was to approach the problem of identification for possible variability of light curve shape in case of the classical Cepheid SZ Cassiopeiae. In order to perform such a study we analysed eight observational data sets obtained through V photoelectrical photometry, covering a time base of 16 years. We applied the Fourier decomposition technique to each data set; the obtained Fourier coefficients were used to calculate the corresponding amplitude ratios and phase differences. Their time behavior were finally studied in order to search for evidences of the variability of the light curve shape.

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