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CoRoT observations of O stars: diverse origins of variability
R. Blomme, M. Briquet, P. Degroote +26
Six O-type stars were observed continuously by the CoRoT satellite during a 34.3-day run. The unprecedented quality of the data allows us to detect even low-amplitude stellar pulsa…
Hipparcos Variable Star Detection and Classification Efficiency
P. Dubath, I. Lecoeur-Taïbi, L. Rimoldini +14
A complete periodic star extraction and classification scheme is set up and tested with the Hipparcos catalogue. The efficiency of each step is derived by comparing the results wit…
Variability in the CoRoT photometry of three hot O-type stars. HD 46223, HD 46150 and HD 46966
R. Blomme, L. Mahy, C. Catala +15
The detection of pulsational frequencies in stellar photometry is required as input for asteroseismological modelling. The second short run (SRa02) of the CoRoT mission has provide…
Kepler observations of variability in B-type stars
L. A. Balona, A. Pigulski, P. De Cat +27
The analysis of the light curves of 48 B-type stars observed by Kepler is presented. Among these are 15 pulsating stars, all of which show low frequencies characteristic of SPB sta…
Random forest automated supervised classification of Hipparcos periodic variable stars
P. Dubath, L. Rimoldini, M. Süveges +14
We present an evaluation of the performance of an automated classification of the Hipparcos periodic variable stars into 26 types. The sub-sample with the most reliable variability…