Detailed period study of Delta Capricorni

Details Detailed period study of Delta Capricorni Detailed period study of Delta Capricorni

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.147..335s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 147, no. 2, Aug. 1988, p. 335-341.

Astronomy and Astrophysics

Astrophysics

1

Eclipsing Binary Stars, Ephemerides, Stellar Spectra, Periodic Variations, Stellar Spectrophotometry, Triple Stars, Ubv Spectra

Scientific paper

Detailed period study of the eclipsing binary system Delta Cap is presented. A new period of 1d.0227789 has been given. Period changes in different portions of the O-C diagram have been estimated, which range from 6.4×10-6d to 1.8×10-3d(?), the average being 3.5×10-5d. A sinusoidal variation is evident in the O-C diagrams, which is indicative of the possible presence of a third body, having a period of nearly 62 years, however, it is yet to be confirmed.

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