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We present results from several years of fast optical photometry of 4U0614+091 (V1055 Orionis), a candidate ultracompact X‐ray binary most likely consisting of a neutron star and a degenerate secondary. We find evidence for strong accretion‐driven variability at all epochs, which manifests itself as red noise. This flickering produces transient peaks in the observed power spectrum in the 15–65 min...
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