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Absolute properties of RU Cnc revisited: an active RS CVn-type eclipsing binary with red giant branch and main-sequence components

Cokluk, K. A.; Kocak, D.; Icli, T.; Karakose, S.; Ustundag, S.; Yakut, K.


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<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>Cokluk, K. A.</dc:creator>
  <dc:creator>Kocak, D.</dc:creator>
  <dc:creator>Icli, T.</dc:creator>
  <dc:creator>Karakose, S.</dc:creator>
  <dc:creator>Ustundag, S.</dc:creator>
  <dc:creator>Yakut, K.</dc:creator>
  <dc:date>2019-01-01</dc:date>
  <dc:description>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.</dc:description>
  <dc:identifier>https://aperta.ulakbim.gov.trrecord/68921</dc:identifier>
  <dc:identifier>oai:zenodo.org:68921</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>http://www.opendefinition.org/licenses/cc-by</dc:rights>
  <dc:source>MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 488(4) 4520-4525</dc:source>
  <dc:title>Absolute properties of RU Cnc revisited: an active RS CVn-type eclipsing binary with red giant branch and main-sequence components</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
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