Pulsating components in multiple systems

Bibcode
2005ASPC..333..149L
Lampens, P.; Frémat, Y.; Uytterhoeven, K.; Cuypers, J.
Referencia bibliográfica

Tidal Evolution and Oscillations in Binary Stars: Third Granada Workshop on Stellar Structure, ASP Conference Series, Vol. 333, Proceedings of the conference held 16-18 May, 2004 in Granada, Spain. Edited by A. Claret, A. Giménez and J.-P. Zahn, p.149 San Francisco: Astronomical Society of the Pacific, 2005.

Fecha de publicación:
11
2005
Número de autores
4
Número de autores del IAC
0
Número de citas
1
Número de citas referidas
0
Descripción
Two interesting case studies of pulsating components in triple systems are highlighted in this presentation. We first report on the new results of a detailed study of the double-lined spectroscopic-visual system DG Leonis based on recent photometric and high-resolution spectroscopic data. This triple system has two components showing mild Am abundance peculiarities and at least one pulsating component of the type δ Scuti. In the second case we report on the new results obtained for the single-lined spectroscopic-visual triple system λ Scorpii. A careful spectroscopic analysis allowed to detect the presence of four pulsation frequencies, the most dominant of which was shown to be subject to the light-time effect. None of these frequencies are likely to be excited by tidal interaction.
Tipo
Sin árbitro

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