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Apsidal Motion in Eccentric Eclipsing Binary WW Camelopardalis
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SYSNO ASEP 0354438 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Apsidal Motion in Eccentric Eclipsing Binary WW Camelopardalis Author(s) Wolf, M. (FR)
Kotková, Lenka (ASU-R)
Kocián, R. (CZ)
Dřevěný, R. (CZ)
Hanžl, D. (CZ)Source Title Astronomical Journal. - : Institute of Physics Publishing - ISSN 0004-6256
Roč. 139, č. 3 (2010), s. 1028-1030Number of pages 3 s. Language eng - English Country US - United States Keywords eclipsing Binaries ; WW Camelopardali Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics R&D Projects GA205/08/0003 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10030501 - ASU-R (2005-2011) UT WOS 000274429600018 DOI 10.1088/0004-6256/139/3/1028 Annotation WW Camelopardalis is a relatively bright eclipsing binary system with a slightly eccentric orbit. A dozen of its new eclipse times were measured as part of our long-term observational project of eccentric eclipsing binaries. Based on a new solution of the current O - C diagram, we found for the first time an apsidal motion in good agreement with theory. Its period is about 370 ± 50 years. The determined internal structure constant is close to the theoretically expected value. The relativistic effect is significant, being about 13% of the total apsidal motion rate. Workplace Astronomical Institute Contact Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2011
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