Mode typing of the dominant mode in the Delta Sct star X Cae by line profile moments

Details Mode typing of the dominant mode in the Delta Sct star X Cae by line profile moments Mode typing of the dominant mode in the Delta Sct star X Cae by line profile moments

1996-12-06

arxiv.org/abs/astro-ph/9612064v1

Astronomy and Astrophysics

Astrophysics

2 pages, latex, 1 figure To be publishing in the Proceedings of the IAU Symposium 181 'Sounding Solar and Stellar Interior', N

Scientific paper

We use moment method developed by Balona (1987) to identify the dominant mode of the multimode pulsating Delta Scuti star X Cae. It is shown as a l=1 and m=-1 non-radial mode gives a satisfactory fit of the amplitudes and phases of light and line moments variations provided that the rotational axis has i<45 degrees. The physical parameters corresponding to this mode are derived and discussed.

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