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CoRoT's view on variable B8/9 stars: spots versus pulsations: Evidence for differential rotation in HD 174648
P. Degroote, B. Acke, R. Samadi +11
Context. There exist few variability studies of stars in the region in the Hertzsprung-Russell diagram between the A and B-star pulsational instability strips. With the aid of the…
Discovery of a ZZ Ceti in the Kepler Mission Field
J. J. Hermes, Fergal Mullally, R. H. Østensen +7
We report the discovery of the first identified pulsating DA white dwarf in the field of the Kepler mission, WD J1916+3938 (Kepler ID 4552982). This ZZ Ceti star was first identifi…
Discovery of a stripped red giant core in a bright eclipsing binary system
P. F. L. Maxted, D. R. Anderson, M. R. Burleigh +11
We have identified a star in the WASP archive photometry with an unusual lightcurve due to the total eclipse of a small, hot star by an apparently normal A-type star and with an or…
HERMES high-resolution spectroscopy of HD 149382. Where did the planet go?
V. A. Jacobs, R. H. Østensen, H. Van Winckel +12
A close substellar companion has been claimed to orbit the bright sdB star HD 149382 with a period of 2.391d. In order to check this important discovery we gathered 26 high resolut…
First Kepler results on compact pulsators VI. Targets in the final half of the survey phase
R. H. Østensen, R. Silvotti, S. Charpinet +29
We present results from the final six months of a survey to search for pulsations in white dwarfs and hot subdwarf stars with the Kepler spacecraft. Spectroscopic observations are…