Results 321 to 330 of about 1,918,733 (356)
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Astrophysics and Space Science, 1979
The evolution of spin in a star undergoing adiabatic mass loss is considered. It is established that adiabatic mass loss cannot drive spin. If such a mass loss is due to a binary component overflowing its Roche lobe then this result rules out the possibility of asynchronous rotation in close contact systems.
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The evolution of spin in a star undergoing adiabatic mass loss is considered. It is established that adiabatic mass loss cannot drive spin. If such a mass loss is due to a binary component overflowing its Roche lobe then this result rules out the possibility of asynchronous rotation in close contact systems.
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2001
The problem of mass loss is described in the context of non-linear radial pulsations of luminous stars. The numerical requirements of such computations are briefly discussed. The first example is devoted to models of dust-driven winds from AGB-stars. The second part illustrates numerical computations of LBVs in some detail to understand the long term ...
Ernst A. Dorfi +2 more
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The problem of mass loss is described in the context of non-linear radial pulsations of luminous stars. The numerical requirements of such computations are briefly discussed. The first example is devoted to models of dust-driven winds from AGB-stars. The second part illustrates numerical computations of LBVs in some detail to understand the long term ...
Ernst A. Dorfi +2 more
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Nonlinear models of pulsation and mass loss
Astrophysics and Space Science, 1995We briefly discuss the current status of our radiation-hydrodynamical models of pulsation in various stellar objects and of dust-driven mass loss in LPVs. We emphasize the importance of a future combined modelling of pulsation and mass loss in AGB stars which has to be based on reliable physical and numerical methods.*
S. Höfner, M. U. Feuchtinger
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Fragmentation-inactivation models with mass loss
Physical Review E, 1995We consider one-dimensional discrete models for dynamic fragmentation with mass consumption. The fragmentation cascade is randomly interrupted by inactivation of fragments. Exact solutions are obtained. The scaling regimes for the average number of fragments n(s,t) with mass s at time t are investigated for short and long times.
, Machado, , Kamphorst Leal da Silva J
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1978
The decrease of total mass by ejection past the outer Lagrangian points is a distinct possibility, probably a necessity, in the explanation of late phases of evolution, and some instances have been mentioned earlier. One indication noted by van den Heuvel (1969) may apply to a large fraction of the binary population, namely that much fewer semi ...
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The decrease of total mass by ejection past the outer Lagrangian points is a distinct possibility, probably a necessity, in the explanation of late phases of evolution, and some instances have been mentioned earlier. One indication noted by van den Heuvel (1969) may apply to a large fraction of the binary population, namely that much fewer semi ...
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Mira Light Curves and Mass Loss
Astrophysics and Space Science, 1994Long Period Variables represent a late stage in the evolution of intermediate mass stars. Mass loss wich leads them to planetary nebulae within a few 105 years, is a complex process and the object of many investigations. Recents studies suggest that mass loss could occur in brief superwind phases separated by long quiescent periods.
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Weight loss and retroperitoneal mass
ANZ Journal of Surgery, 2018Paolo Panaccio +2 more
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The Wolf-Rayet stars and mass loss
Astrophysics and Space Science, 1969Wolf-Rayet stars are defined, a summary is given of the properties of Wolf-Rayet stars, and a qualitative model of a Wolf-Rayet star is sketched. It is incontrovertible that Wolf-Rayet stars are losing mass, a typical rate of mass loss being near 10-5 M ⊙ per year.
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Integrated mass-loss of evolved stars in M4 using asteroseismology
Monthly Notices of the Royal Astronomical Society, 2022Madeline Howell +2 more
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