A new class of rapidly pulsating star - I. EC 14026-2647, the class prototype

Details A new class of rapidly pulsating star - I. EC 14026-2647, the class prototype A new class of rapidly pulsating star - I. EC 14026-2647, the class prototype

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.285..640k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 285, Issue 3, pp. 640-644.

Other

269

Binaries: General, Stars: Individual: Ec 14026-2647, Stars: Oscillations, Stars: Variables: Other

Scientific paper

We report the discovery of small-amplitude, very rapid light variations in the sdB binary, EC 14026-2647. The variations, probably due to pulsation of the sdB star, have an apparently stable main period near 144s with a semi- amplitude of ~0.012 mag. There is good evidence for a period near 134s with a semi-amplitude of ~0.004 mag; the latter might be variable. We regard this star as the prototype for a new class of variable which we refer to as EC 14026 stars.

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