Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 326, Issue 1, Pages 126-146Publisher
BLACKWELL SCIENCE LTD
DOI: 10.1046/j.1365-8711.2001.04574.x
Keywords
hydrodynamics; instabilities; radiative transfer; stars : atmospheres; novae, cataclysmic variables
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We present a model for steady-state winds of systems with super-Eddington luminosities. These radiatively driven winds are expected to be optically thick and clumpy as they arise from an instability-driven porous atmosphere. The model is then applied to derive the mass loss observed in bright classical novae. The main results are as follows. (i) A general relation between the mass-loss rate and the total luminosity in superEddington systems. (ii) A natural explanation of the long-duration super-Eddington outflows that are clearly observed in at least two cases (Novae LMC 1988 #1 and FH Serpentis). (iii) A qualitative agreement between the prediction and observations of the mass loss and temperature evolution. (iv) An agreement between the predicted average integrated mass loss of novae as a function of white dwarf mass and its observations. (v) A natural explanation for the 'transition phase' of novae. (vi) Agreement with eta Carinae, which was used to double check the theory: the prediction for the mass shed in the star's great eruption agrees with observations to within the measurement error.
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