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Plotkin, Richard Sabo, Rolf Carstens, Shawn Dvorak, Sjoerd Dufoer, Stephen M. Brincat, Steve Johnston, Tonny Vanmunster, Walter R. Cooney, William Goff, Yenal \\\"O\\u{g}men","submitted_at":"2022-02-16T22:47:58Z","abstract_excerpt":"We present optical photometry of six intermediate polars that exhibit transitions to a low-flux state. For four of these systems, DW Cnc, V515 And, V1223 Sgr and RX J2133.7+5107, we are able to perform timing analysis in and out of the low states. We find that, for DW Cnc and V515 And, the dominant periodicities in the light curves change as the flux decreases, indicating a change in the sources' accretion properties as they transition to the low state. 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