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.
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