The slowly pulsating sdB star EC 21324−1346: The pulsating sdB star EC 21324-1346

D. Kilkenny,C. Copley,E. Zietsman,H. Worters

Monthly Notices of the Royal Astronomical Society（2007）

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摘要

We present results from a two-week, single-site photometric campaign on the slowly pulsating sdB star, EC 21324−1346. Nine frequencies are detected between about 333 and 125 μHz (periods between 3000 and 8000 s) with amplitudes ranging from 0.003 to 0.001 mag; large for this class of star. Comparison with sparser, earlier data indicates that some of these oscillations are persistent, though at lea...

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关键词

stars: individual: EC 21324−1346,stars: oscillations,stars: variables: other

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