Results 21 to 30 of about 5,927,998 (306)

Mass Loss and Stellar Rotation [PDF]

open access: yesSymposium - International Astronomical Union, 2004
The observational evidence for non-spherical winds of rapidly rotating hot and cool stars is presented. Models to explain equatorially enhanced winds of AGB stars and of hot B[e]-supergiants are discussed. We distinguish between models with a disk due to an increased equatorial mass flux and those with a disk due to spherical mass loss with a wind ...
openaire   +1 more source

M-dwarf stellar winds : the effects of realistic magnetic geometry on rotational evolution and planets [PDF]

open access: yes, 2014
AAV acknowledges support from a Royal Astronomical Society Fellowship. JM acknowledges support from a fellowship of the Alexander von Humboldt foundation.We perform three-dimensional numerical simulations of stellar winds of early-M-dwarf stars.
Morin, J.   +12 more
core   +1 more source

The Dependence of Mass Loss on the Basic Stellar Parameters [PDF]

open access: yesInternational Astronomical Union Colloquium, 1981
We determined the dependence of mass loss on the stellar parameters for O and B stars of various luminosities. We used four homogenous sets of mass loss rates derived by different authors from the radioflux, the infrared excess, the UV lines and Hα emission.
openaire   +1 more source

THE FATE OF STELLAR MASS LOSS IN CENTRAL CLUSTER GALAXIES [PDF]

open access: yesThe Astrophysical Journal, 2011
ApJ Letters, in press, 4 pages, 1 ...
Voit, G. Mark, Donahue, Megan
openaire   +2 more sources

Continuous stellar mass-loss in

open access: yes, 2001
We present an N-body computer code -aimed at studies of galactic dynamics - with a CPU-efficient algorithm for a continuous (i.e. time-dependent) stellar mass-loss. First, we summarize available data on stellar mass-loss and derive the long-term (20 Gyr)
F. Combes, B. Jungwiert, J. Palouš
core   +1 more source

The initial/final mass relation for stellar evolution with mass loss [PDF]

open access: yesInternational Astronomical Union Colloquium, 1981
The relation between initial and final masses is discussed under consideration of changing theoretical concepts and new empirical data on masses of white dwarfs and nuclei of planetary nebulae. It is concluded that presently adopted schemes of evolution need revision, and that no universal relation exists.The strongest evidence for large amounts of ...
openaire   +1 more source

Topics in Core-Collapse Supernova Theory: The Formation of Black Holes and the Transport of Neutrinos [PDF]

open access: yes, 2012
Core-Collapse Supernovae are one of the most complex astrophysical systems in the universe. They deeply entwine aspects of physics and astrophysics that are rarely side by side in nature.
O'Connor, Evan Patrick
core   +1 more source

The Division between Weak and Strong Explosions from Failed Supernovae

open access: yesThe Astrophysical Journal, 2023
Some massive stars likely fail to produce core-collapse supernovae, but these failed supernovae (FSNe) can generate an electromagnetic outburst prior to the disappearance of the star, as the mass lost to neutrinos during the stellar core collapse results
Eric R Coughlin
doaj   +1 more source

Some comments on empirical FITS to stellar mass loss rates

open access: yes, 1987
Two empirical fits to stellar mass loss rates have been examined and found lacking in physical ...
Vardya, M. S., M. S. Vardya
core   +1 more source

The origin of dispersion in the wind mass-loss rate–luminosity relation of massive O stars

open access: yesAstronomy & Astrophysics
Context. Stellar winds of hot stars are accelerated by the radiative force that mainly comes from the line transitions of heavy elements. As a result, the wind mass-loss rate is expected to scale mostly with the stellar luminosity.
Krtička J., Krtičková I.
doaj   +1 more source

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