A Preliminary Study of Cataclysmic Variable Apsidal and Nodal Superhump Oscillations

Details A Preliminary Study of Cataclysmic Variable Apsidal and Nodal Superhump Oscillations A Preliminary Study of Cataclysmic Variable Apsidal and Nodal Superhump Oscillations

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.8511m&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #85.11; Bulletin of the American Astronomical Society, Vol. 32, p.1550

Astronomy and Astrophysics

Astronomy

Scientific paper

We present preliminary results of two parametric studies of smoothed particle hydrodynamical simulations of apsidal and nodal superhumps in cataclysmic variable systems. We show disk energy production (``light'') curves and their associated Fourier transforms and mean pulse shapes. The simulations are fully three-dimensional, and the simulation system mass ratio q=M2}/M{1 spans the full range of observed apsidal superhump values (0.03 < q < 0.34). We compare our simulation results of apsidal superhumps with observations and find the harmonic content of the light curve alone can constrain the system mass ratio and inclination.

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