The O-C curve analysis and simultaneous light curve solutions of classical Algol system U Cephei

Details The O-C curve analysis and simultaneous light curve solutions of classical Algol system U Cephei The O-C curve analysis and simultaneous light curve solutions of classical Algol system U Cephei

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ap%26ss.318...57m&link_type=abstract

Astrophysics and Space Science, Volume 318, Issue 1-2, pp. 57-67

Astronomy and Astrophysics

Astrophysics

3

Stars, Binaries, Eclipsing, Stars, Mass Transfer, Stars&Rsquo, Period Change, Stars-Individuals U Cep

Scientific paper

New Photometric data in R and V passband filters of the classical Algol system U Cep were analyzed. The orbital and physical parameters of the system were obtained via light curve solutions, using Wilson-Devinney code. The absolute dimensions are also estimated. The O-C curve (only photometric data) is analyzed through Kalimeris method. Fourier analysis of P( E) function gave at least two modulation periods, i.e., P 1=16.38 yr and P 2=9.77 yr, the first was attributed to magnetic cycle effects and the second to mean time interval of occasional mass out bursts.

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