Název:
Z CVn - Still mysterious
Autoři:
Skarka, Marek ; Liška, J. ; Dřevěný, R. ; Sódor, A. ; Kolenberg, B. Typ dokumentu: Příspěvky z konference Konference/Akce: Conference on Variable Stars Research /49./, Brno (CZ), 20171103
Rok:
2018
Jazyk:
eng
Abstrakt: We comment on short- and long-term pulsation period variations of Z CVn, a classical RR Lyrae star with the Blazhko effect. Z CVn shows cyclic-like O-C diagram that can be interpreted as a consequence of binarity throught the light travel time effect. We show that this hypothesis is false and that the observed long-term period variations must be caused by some effect that is intrinsic to the star. We also show that the Blazhko period is not simply anti-correlated with the long-term period variations as was suggested by previous authors.
Klíčová slova:
Blazhko effect; long-term pulsation; short-term pulsation Číslo projektu: GC17-01752J (CEP) Poskytovatel projektu: GA ČR Zdrojový dokument: Proceedings of the 49th Conference on Variable Stars Research, ISSN 1801-5964
Instituce: Astronomický ústav AV ČR
(web)
Informace o dostupnosti dokumentu:
Dokument je dostupný v příslušném ústavu Akademie věd ČR. Původní záznam: http://hdl.handle.net/11104/0292675