Published December 1988 | Version v1
Journal article Metadata-only

Time-dependent models of radiatively driven stellar winds. I. Nonlinear evolution of instabilities for a pure absorption model

Creators

  • 1. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (USA)
  • 2. Lawrence Livermore National Lab., Livermore, CA (USA)
  • 3. Bartol Research Institute, Newark, DE (USA)

Description

Numerical radiation-hydrodynamics simulations of the nonlinear evolution of instabilities in radiatively driven stellar winds have been performed. The results show a strong tendency for the unstable flow to form rather sharp rarefactions in which the highest speed material has very low density. The qualitative features of the model agree well with the reqirements of displaced narrow absorption components in UV lines. 56 references

Additional details

Publishing Information

Journal Title
Astrophysical Journal
Journal Volume
335
Series
Astrophys. J.
Journal Page Range
914-930
ISSN
0004-637X
CODEN
ASJOA

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
20031532
Subject category
S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Descriptors DEI
ABSORPTION SPECTRA; ASYMPTOTIC SOLUTIONS; HYDRODYNAMICS; INFRARED SPECTRA; MATHEMATICAL MODELS; NONLINEAR PROBLEMS; PLASMA INSTABILITY; RADIATION TRANSPORT; STELLAR WINDS; TIME DEPENDENCE; WAVE PROPAGATION
Descriptors DEC
FLUID MECHANICS; INSTABILITY; MECHANICS; SPECTRA; STELLAR ACTIVITY