Disc system Delta Capricorni

Details Disc system Delta Capricorni Disc system Delta Capricorni

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.140..337s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 140, no. 2, Jan. 1988, p. 337-351.

Astronomy and Astrophysics

Astrophysics

5

Eclipsing Binary Stars, Hot Stars, Light Curve, Ubv Spectra, Electrophotometry, Radial Velocity, Stellar Color, Stellar Luminosity

Scientific paper

First UBV photoelectric photometry of the eclipsing binary system Delta Cap has been presented. An improved period of 1.022766 d has been given. The duration of primary eclipse comes out to be more than double the duration given earlier. The depth has also been found to have increased. The light changes during eclipses show slight asymmetry. Eccentricity appears to be present in the system. Light and color curves show variations. Primary component appears to be surrounded by a disk, the size of which is comparable to the size of the primary component. Two dips are seen around phases 0.20 and 0.67, the first appears more definitive, and is attributed to the wave-like distortion, like the one found in RS CVn binaries. The discussion reveals that Delta Cap is a very complicated system.

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