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タイトルSolving the BM Camelopardalis puzzle
本文(外部サイト)http://hdl.handle.net/2060/19910018790
著者(英)Teke, Mathias; Busby, Michael R.; Hall, Douglas S.
著者所属(英)Tennessee State Univ.
発行日1989-01-01
言語eng
内容記述BM Camelopardalis (=12 Cam) is a chromospherically active binary star with a relatively large orbital eccentricity. Systems with large eccentricities usually rotate pseudosynchronously. However, BM Cam has been a puzzle since its observed rotation rate is virtually equal to its orbital period indicating synchronization. All available photometry data for BM Cam have been collected and analyzed. Two models of modulated ellipticity effect are proposed, one based on equilibrium tidal deformation of the primary star and the other on a dynamical tidal effect. When the starspot variability is removed from the data, the dynamical tidal model was the better approximation to the real physical situation. The analysis indicates that BM Cam is not rotating pseudosynchronously but rotating in virtual synchronism after all.
NASA分類ASTROPHYSICS
レポートNO91N28104
権利No Copyright
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/131512


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