Latitude distribution of nonradial pulsations in rapidly rotating B stars

Bibcode
2004ASPC..310..204J
Jankov, S.; Mathias, P.; Domiciano de Souza, A., Jr.; Uytterhoeven, K.; Aerts, C.
Bibliographical reference

Variable Stars in the Local Group, IAU Colloquium 193, Proceedings of the conference held 6-11 July, 2003 at Christchurch, New Zealand. Edited by Donald W. Kurtz and Karen R. Pollard. ASP Conference Proceedings, Vol. 310. San Francisco: Astronomical Society of the Pacific, 2004., p.204

Advertised on:
5
2004
Number of authors
5
IAC number of authors
0
Citations
1
Refereed citations
0
Description
We present a method for the analysis of latitude distribution associated with temperature and/or velocity perturbations of the stellar surface due to non-radial pulsation (NRP) modes in rapidly rotating B stars. The technique is applied together with Fourier Doppler Imaging (FDI) to high resolution and high signal-to-noise ratio spectroscopic observations of ɛ Per. The main advantage of this approach is that it decomposed complex multi-periodic line profile variations into single components, allowing the detailed analysis of each mode seperately. We study the 10.6-d-1 frequency that is particularly important for modal analysis of non-radial pulsations in the star.
Type
Non-refereed

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