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Paper: A warped accretion disc in PX And?
Volume: 292, Interplay of Periodic, Cyclic and Stochastic Variability in Selected Areas of the H-R Diagram
Page: 297
Authors: Boffin, H. M. J.; Stanishev, V.; Kraicheva, Z.; Genkov, V.
Abstract: We have undertaken a photometric study of the SW Sex star, PX And. We clearly identify a negative superhump signal which might be regarded as the signature of a nodal precessing disc, possibly warped. PX And is also observed to possess highly variable eclipse depth and we discuss two possible explanations.
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