Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202.1149k&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 202, Mar. 1983, p. 1149-1157.
Astronomy and Astrophysics
Astronomy
18
Light (Visible Radiation), Light Curve, Novae, Spectrum Analysis, Stellar Models, Stellar Winds, Eddington Approximation, Planetary Nebulae, Radiation Pressure, Radio Spectra, Resonance Lines, Steady State, Stellar Envelopes, Stellar Luminosity, Stellar Mass Ejection, Stellar Spectra
Scientific paper
A non-steady-state formulation of the wind model of novae by Bath & Shaviv is developed to compare with the visible and radio light curves of classical novae. It is shown that the visible light curves require a rapid decline in the mass-loss rate during the early weeks after the outburst, whereas the radio data can only be explained by a prolonged ejection over a time-scale of years. While there is a uncertainty about the ejection mechanism of the first phase, the 'long tail' of the nova ejection is likely to be driven by radiation pressure on resonance lines during the sub-Eddington constant-luminosity phase.
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