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Detecting non-uniform period spacings in the Kepler photometry of gamma Doradus stars: methodology and case studies
T. Van Reeth, A. Tkachenko, C. Aerts +9
Context. The analysis of stellar oscillations is one of the most reliable ways to probe stellar interiors. Recent space missions such as Kepler have provided us with an opportunity…
KIC 10526294: a slowly rotating B star with rotationally split, quasi-equally spaced gravity modes
P. I. Pápics, E. Moravveji, C. Aerts +4
Massive stars are important for the chemical enrichment of the universe. Since internal mixing processes influence their lives, it is very important to place constraints on the cor…
Discovery of binarity, spectroscopic frequency analysis, and mode identification of the delta Sct star 4CVn
V. S. Schmid, N. Themeßl, M. Breger +12
More than 40 years of ground-based photometric observations of the delta Sct star 4CVn revealed 18 independent oscillation frequencies, including radial as well as non-radial p-mod…
Modelling of Sigma Scorpii, a high-mass binary with a Beta Cep variable primary component
A. Tkachenko, C. Aerts, K. Pavlovski +6
High-mass binary stars are known to show an unexplained discrepancy between the dynamical masses of the individual components and those predicted by models. In this work, we study…