Periodic terms in the light elements of XX CEP and RW Per

Details Periodic terms in the light elements of XX CEP and RW Per Periodic terms in the light elements of XX CEP and RW Per

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984baicz..35..180m&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 35, no. 3, 1984, p. 180-182.

Astronomy and Astrophysics

Astronomy

9

Eclipsing Binary Stars, Light Curve, Stellar Spectrophotometry, Variable Stars, Electrophotometry, Ephemerides, Minima, Periodic Functions

Scientific paper

A periodic term to explain period changes of the eclipsing binary XX Cep has been suggested previously (e.g., Kopal, 1965). It is shown here that the term (period 64.2 years, amplitude 0.0371 day) represents data better than two sudden period changes; however, the crucial early data are of rather low accuracy. One new time of a primary minimum is given. Also in the case of the eclipsing binary RW Per the periodic term (period 67.6 years, amplitude 0.096 day) fits the data well.

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