Results 71 to 80 of about 563,075 (357)

From Dinuclear Systems to Close Binary Stars: Application to Mass Transfer

open access: yesActa Physica Polonica B, 2018
Applying the microscopic nuclear physics ideas to macroscopic stellar systems, we study the evolution of the compact di-stars in mass asymmetry (transfer) coordinate.
V. Sargsyan   +3 more
semanticscholar   +1 more source

The Birth Function for Black Holes and Neutron Stars in Close Binaries [PDF]

open access: yesAstrophysical Journal, 2020
The mass function for black holes and neutron stars at birth is explored for mass-losing helium stars. These should resemble, more closely than similar studies of single hydrogen-rich stars, the results of evolution in close binary systems.
S. Woosley, T. Sukhbold, H. Janka
semanticscholar   +1 more source

Stellar Properties of Observed Stars Stripped in Binaries in the Magellanic Clouds

open access: yesThe Astrophysical Journal, 2023
Massive stars (∼8–25 M _⊙ ) stripped of their hydrogen-rich envelopes via binary interaction are thought to be the main progenitors for merging neutron stars and stripped-envelope supernovae.
Y. Götberg   +8 more
doaj   +1 more source

High-velocity stars from the interaction of a globular cluster and a massive black hole binary [PDF]

open access: yes, 2016
High-velocity stars are usually thought to be the dynamical product of the interaction of binary systems with supermassive black holes. In this paper, we investigate a particular mechanism of production of high-velocity stars as due to the close ...
CAPUZZO DOLCETTA, Roberto Angelo   +1 more
core   +1 more source

CLOSE BINARY SYSTEMS ON LATE EVOLUTIONARY STAGES

open access: yesOdessa Astronomical Publications, 2017
Observational and theoretical progress in investigations of close binary stars allow to understand the nature and evolution of many types of close binary systems containing peculiar components: Wolf-Rayet stars, white dwarfs neutron stars and black holes.
A. M. Cherepashchuk
doaj   +1 more source

CLOSE-IN STELLAR COMPANIONS IN CLOSE BINARY STARS [PDF]

open access: yesPublications of The Korean Astronomical Society, 2015
Close binary stars are so close that one component has an effect on the evolution of the other. But how do they form and evolve? This is an unsolved problem. One speculation is that the binary is a part of a hierarchical triple and its orbit shrinks due to interaction with the third component.
Sheng-Bang Qian   +3 more
openaire   +2 more sources

THE CLOSE BINARY PROPERTIES OF MASSIVE STARS IN THE MILKY WAY AND LOW-METALLICITY MAGELLANIC CLOUDS [PDF]

open access: yes, 2013
In order to understand the rates and properties of Type Ia and Type Ib/c supernovae, X-ray binaries, gravitational wave sources, and gamma-ray bursts as a function of galactic environment and cosmic age, it is imperative that we measure how the close ...
M. Moe, R. Di Stefano
semanticscholar   +1 more source

The evolution of close helium star to neutron star binaries [PDF]

open access: yesSymposium - International Astronomical Union, 2003
We present the evolution of helium stars in binary systems with a 1.4 M⊙ neutron-star companion which will produce double neutron-star binaries, i.e., systems with helium stars more massive than 2.5 M⊙. We found that mass transfer from helium star less massive than ~ 3.3 M⊙ will end up in a common-envelope phase.
Jasinta D. M. Dewi, Onno R. Pols
openaire   +3 more sources

Irrotational binary neutron stars in quasiequilibrium [PDF]

open access: yes, 1999
We report on numerical results from an independent formalism to describe the quasi-equilibrium structure of nonsynchronous binary neutron stars in general relativity.
D. Lai   +25 more
core   +2 more sources

A Systematic Search for Short-period Close White Dwarf Binary Candidates Based on Gaia EDR3 Catalog and Zwicky Transient Facility Data

open access: yesThe Astrophysical Journal Supplement Series, 2023
Galactic short-period close white dwarf binaries (CWDBs) are important objects for space-borne gravitational-wave (GW) detectors in the millihertz frequency bands.
Liangliang Ren   +6 more
doaj   +1 more source

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