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Cokluk, K. A.; Kocak, D.; Icli, T.; Karakose, S.; Ustundag, S.; Yakut, K.
{ "DOI": "10.1093/mnras/stz2051", "abstract": "We present observations and analysis of an RS CVn-type double-lined eclipsing binary system, RU Cnc. The system has been observed for over a century. High-quality long-cadence observations, newly obtained from the Kepler K2 C5 and C18 campaigns, and two radial velocity curves were combined and analysed simultaneously, assuming a multispot model. The masses, radii and luminosities of the component stars have been precisely obtained as , , , , and, with a separation of . The distance of the system is determined to be pc, which is consistent with the Gaia Data Release 2 result. Long-term detailed period variation analysis of the system indicates a period decrease of 7.9x10(-7) d yr(-1). The results suggest that the cooler component is on the red giant branch (RGB) and the hotter component is still on the main sequence.", "author": [ { "family": "Cokluk", "given": " K. A." }, { "family": "Kocak", "given": " D." }, { "family": "Icli", "given": " T." }, { "family": "Karakose", "given": " S." }, { "family": "Ustundag", "given": " S." }, { "family": "Yakut", "given": " K." } ], "container_title": "MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY", "id": "68921", "issue": "4", "issued": { "date-parts": [ [ 2019, 1, 1 ] ] }, "page": "4520-4525", "title": "Absolute properties of RU Cnc revisited: an active RS CVn-type eclipsing binary with red giant branch and main-sequence components", "type": "article-journal", "volume": "488" }
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