Pulsation of the δ Scuti multiple system DG Leo

Details Pulsation of the δ Scuti multiple system DG Leo Pulsation of the δ Scuti multiple system DG Leo

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..224..835l&link_type=abstract

The A-Star Puzzle, held in Poprad, Slovakia, July 8-13, 2004. Edited by J. Zverko, J. Ziznovsky, S.J. Adelman, and W.W. Weiss,

Computer Science

1

Binaries: Spectroscopic, Stars: Variable: Δ Sct, Stars: Individual: (Dg Leo), Stars: Oscillations (Including Pulsations).

Scientific paper

DG Leo is a spectroscopic triple system showing δ Scuti type photometric and spectroscopic variations. The three components have nearly equal masses but different chemical compositions in the outer layers. All three are potential pulsators. Frequency analyses of the photometric data were carried out using various methods. These global results together with those of the spectroscopic analysis permit us to discuss of the behaviour of each component with respect to pulsation.

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