A search for short periodic variations of the AP SI star HD 92664

Astronomy and Astrophysics – Astrophysics

Scientific paper

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A Stars, Magnetic Stars, Peculiar Stars, Stellar Oscillations, Stellar Spectrophotometry, Variable Stars, Ephemerides, Metallic Stars, Silicon, Stellar Rotation

Scientific paper

The Si star HD 92664 has been continuously monitored in Geneva photometry during one night around the phase of magnetic maximum in order to detect the high frequency oscillations suggested by Megessier and Hensberge (1983). No variation with periods shorter than 50 min was detected, but a much longer, 3 hour-16 min period might be present. The rotational period published by Megessier and Hensberge is confirmed.

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