An Extensive Photometric Investigation of the W UMa System DK Cyg

DK Cyg ( P = 0.4707 ) is a contact binary system that undergoes complete eclipses. All the published photoelectric data have been collected and utilized to reexamine and update the period behavior of the system. A significant period increase with rate of 12.590 × 10−11 days/cycle was calculated. New...

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Bibliographic Details
Published in:Journal of astrophysics 2015-01, Vol.2015, p.1-8
Main Authors: Elkhateeb, M. M., Nouh, M. I., Elkholy, E., Korany, B.
Format: Article
Language:English
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Summary:DK Cyg ( P = 0.4707 ) is a contact binary system that undergoes complete eclipses. All the published photoelectric data have been collected and utilized to reexamine and update the period behavior of the system. A significant period increase with rate of 12.590 × 10−11 days/cycle was calculated. New period and ephemeris have been calculated for the system. A long term photometric solution study was performed and a light curve elements were calculated. We investigated the evolutionary status of the system using theoretical evolutionary models.
ISSN:2356-718X
2314-6192
DOI:10.1155/2015/590673