Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205..171b&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Oct. 1983, p. 171-185.
Astronomy and Astrophysics
Astrophysics
33
Accretion Disks, Astrophysics, Eclipsing Binary Stars, Mass Transfer, Stellar Mass Accretion, Anisotropic Media, Dwarf Novae, Light Curve, Momentum Transfer, Radiation Distribution
Scientific paper
The interaction between the mass transfer stream and a circularized accretion disc is described in terms of a general transport equation including sources of mass and angular momentum from the stream. The stream stripping process associated with disc penetration is parameterized in terms of the impact momentum of disc material. In all cases except the limiting case of complete momentum exchange, the resulting "hotspot", or bright spot, luminosity following a mass transfer event lags behind that of the disc, due to the time delay in transporting matter outward to the outer disc regions. The anisotropic radiation pattern generated by the stream/disc interaction is discussed. Evidence is presented that suggests the superhumps are not a disc phenomenon, but are due to asymmetric structure on a non-synchronously rotating red component.
Bath Geoffrey T.
Edwards A. C.
Mantle V. J.
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