Pulse timing for cataclysmic variables

Details Pulse timing for cataclysmic variables Pulse timing for cataclysmic variables

May 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...230..167c&link_type=abstract

Astrophysical Journal, Part 1, vol. 230, May 15, 1979, p. 167-175.

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24

Eclipsing Binary Stars, Novae, Stellar Mass Accretion, Variable Stars, White Dwarf Stars, Amplitudes, Emission Spectra, Line Spectra, Phase Deviation, Stellar Models

Scientific paper

It is shown that present pulse-timing measurements of cataclysmic variables can be explained by models of accretion disks in these systems, and thus such measurements can constrain disk models. The model for DQ Her correctly predicts the amplitude variation of the continuum pulsation and can also perhaps explain the asymmetric amplitude of the pulsed 4686-A emission line. Several other predictions can be made from the model. In particular, if pulse-timing measurements that resolve emission lines both in wavelength and in binary phase can be made, the projected orbital radius of the white dwarf could be deduced.

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