HE0230–4323: an unusual pulsating hot subdwarf star
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Date
2007
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Publisher
Oxford University Press
Abstract
HE 0230−4323 is a known binary, consisting of a subdwarf star and a companion which is not
observable in the optical. Photometric measurements reported in this paper have shown it to be
both a reflection-effect and a pulsating variable. The dominant pulsation frequencies changed
over the course of several nights of observing, from ∼32–39 d−1 to ∼8–16 d−1. Observations
were obtained through B and V filters, and the variations in the two wavebands appear to be
approximately 180◦ out of phase.
Description
Keywords
Binaries: close, Stars: individual: HE 0230−4323, Stars: oscillations, Stars: subdwarfs, Stars: variables: other
Citation
Koen, C. (2007). HE0230–4323: an unusual pulsating hot subdwarf star. Monthly Notices of the Royal Astronomical Society, 377(3): 1275-1280