Results 1 to 10 of about 112,957 (294)
The Dynamical Evolution of Globular Clusters with Stellar Mass Loss [PDF]
The dynamical evolution of globular clusters is studied using the orbit-averaged multicomponent Fokker-Planck equation. The original code developed by Cohn(1980) is modified to include the effect of stellar evolutions.
Chang-Hwan Kim +2 more
doaj +1 more source
Pinwheel Outflow Induced by Stellar Mass Loss in a Coplanar Triple System [PDF]
We develop a physical framework for interpreting complex circumstellar patterns whorled around asymptotic giant branch (AGB) stars by investigating stable, coplanar triple systems using hydrodynamic and particle simulations.
Hyosun Kim +3 more
doaj +2 more sources
Stellar coronal mass ejections [PDF]
Stellar coronal mass ejections (CMEs) are a growing research field, especially during the past decade. The large number of so far detected exoplanets raises the open question for the CME activity of stars, as CMEs may strongly affect ...
Leitzinger M., Odert P.
doaj +1 more source
Eta Carinae ( η Car) exhibits a unique set of P Cygni profiles with both broad and narrow components. Over many decades, the spectrum has changed—there has been an increase in observed continuum fluxes and a decrease in Fe ii and H i emission-line ...
Augusto Damineli +25 more
doaj +1 more source
Stellar coronal mass ejections (CMEs) have recently received much attention for their impacts on exoplanets and stellar evolution. Detecting prominence eruptions, the initial phase of CMEs, as the blueshifted excess component of Balmer lines is a ...
Shun Inoue +7 more
doaj +1 more source
The magnetic activity of a star—which modulates the stellar wind outflow—shapes the immediate environments of orbiting (exo)planets and induces atmospheric loss, thereby impacting their habitability.
Sakshi Gupta +2 more
doaj +1 more source
Continuous stellar mass-loss in N-body models of galaxies [PDF]
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)
B. Jungwiert +31 more
core +2 more sources
The Division between Weak and Strong Explosions from Failed Supernovae
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
Extreme Tidal Stripping May Explain the Overmassive Black Hole in Leo I: A Proof of Concept
A recent study found dynamical evidence of a supermassive black hole of ∼3 × 10 ^6 M _⊙ at the center of Leo I, the most distant dwarf spheroidal galaxy of the Milky Way. This black hole, comparable in mass to the Milky Way’s Sgr A*, places the system >2
Fabio Pacucci, Yueying Ni, Abraham Loeb
doaj +1 more source
Magnetism is a ubiquitous property of astrophysical plasmas, yet stellar magnetism still remains far from being completely understood. In this review, we describe recent observational and modelling efforts and progress to expand our knowledge of the ...
Zsolt Keszthelyi
doaj +1 more source

