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A warped accretion disc in PX And ?
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A warped accretion disc in PX And ?
classification
astro-ph
keywords
discwarpedaccretionclearlydepthdiscusseclipseexplanations
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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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