A warped accretion disc in PX And ?

Details A warped accretion disc in PX And ? A warped accretion disc in PX And ?

2002-10-09

arxiv.org/abs/astro-ph/0210198v1

Astronomy and Astrophysics

Astrophysics

To appear in the Proceedings of "Interplay between periodic, cyclic and stochastic variability in selected areas of the HR dia

Scientific paper

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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