Browsing Articles by Subject "Starspots"

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The first evidence for multiple pulsation axes: a new rapidly oscillating Ap star in the Kepler field, KIC 10195926

Gruberbauer, Michael; Kurtz, D. W.; Cunha, M. S.; Saio, H.; Bigot, L.; Balona, L. A.; Elkin, V. G.; Shibahashi, H.; Brandao, I. M.; Uytterhoeven, K. (Royal Astronomical Society, 2011-07-01)

We have discovered a new rapidly oscillating Ap (roAp) star among the Kepler mission target stars, KIC 10195926. This star shows two pulsation modes with periods that are amongst the longest known for roAp stars at 17.1 ...
MOST detects corotating bright spots on the mid-O-type giant Xi Persei

Ramiaramanantsoa, Tahina; Moffat, Anthony F. J.; Chene, Andre-Nicolas; Richardson, Noel D.; Henrichs, Huib F.; Desforges, Sebastien; Antoci, Victoria; Rowe, Jason F.; Matthews, Jaymie M.; Kuschnig, Rainer; Guenther, David B. (Oxford University Press, 2014-06)

We have used the MOST (Microvariability and Oscillations of STars) microsatellite to obtain four weeks of contiguous high-precision broad-band visual photometry of the O7.5III(n)((f)) star ξ Persei in 2011 November . ...

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