Other
Scientific paper
Nov 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...226..203h&link_type=abstract
Astrophysical Journal, Part 1, vol. 226, Nov. 15, 1978, p. 203-209.
Other
16
Light Curve, Novae, Optical Thickness, Stellar Winds, Flow Velocity, Stellar Luminosity, Stellar Mass Ejection, Stellar Models, Time Dependence
Scientific paper
A simple time-dependent model for a nova outburst is developed by extending the optically thick wind models of Bath and Shaviv (1976). The model assumes constant geometry, constant expansion velocity, and constant luminosity during early decline. The expansion velocity is related to the other parameters by assuming that the kinetic and luminous energies are linearly related by a constant A. A grid of models is presented with free parameters luminosity, mass of ejected matter, and A. These show good agreement with Galactic and M31 novae for all luminosities, with ejected masses in the range from 8 to 20 millionths of a solar mass. Detailed models are presented for three well-observed recent novae of very different types: V1500 Cyg, FH Ser, and HR Del.
Hartwick David A. F.
Hutchings John B.
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