Results 31 to 40 of about 386,404 (293)
Most EL CVn systems are inner binaries of hierarchical triples [PDF]
, 2020 In spite of their importance for modern astronomy, we do not fully understand how close binary stars containing at least one white dwarf form from main sequence binary stars. The discovery of EL CVn binaries, close pre-white dwarfs with A/F main sequence star companions, offers now the unique possibility to test models of close compact binary star ...
arxiv +1 more source
CLOSE BINARY SYSTEMS ON LATE EVOLUTIONARY STAGES
Odessa 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
Bimodal Black Hole Mass Distribution and Chirp Masses of Binary Black Hole Mergers
The Astrophysical Journal Letters, 2023 In binary black hole mergers from isolated binary-star evolution, both black holes are from progenitor stars that have lost their hydrogen-rich envelopes by binary mass transfer.
Fabian R. N. Schneider +2 more
doaj +1 more source
Irrotational binary neutron stars in quasiequilibrium [PDF]
, 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
Stellar Properties of Observed Stars Stripped in Binaries in the Magellanic Clouds
The 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
General Relativistic Decompression of Binary Neutron Stars During Dynamic Inspiral
, 2007 We investigate the dynamic stability of inspiraling neutron stars by performing multiple-orbit numerical relativity simulations of the binary neutron star inspiral process.
Miller, Mark
core +1 more source
Population Ecology, EarlyView.In this study, we compared three methods for kinship identification using different algorithms in samples of wild Pacific bluefin tuna and generated genotyping data. The three methods resulted in different numbers of inferred kinship pairs for both generated and actual data. Particularly for the half‐sibling pairs, considerable number of false‐positive
Yohei Tsukahara +5 more
wiley +1 more source
The Astronomical Journal, 2023 We present a method to identify likely visual binaries in Gaia eDR3 that does not rely on parallax or proper motion. This method utilizes the various point-spread function sizes of Two Micron All Sky Survey (2MASS)/Gaia, where at
Ilija Medan, Sébastien Lépine
doaj +1 more source
Red-giant stars in eccentric binaries [PDF]
, 2014 The unparalleled photometric data obtained by NASA’s Kepler Space Telescope has led to improved understanding of red-giant stars and binary stars. We discuss the characterization of known eccentric system, containing a solar-like oscillating red-giant ...
Beck +16 more
core +3 more sources
The binary fraction of extreme horizontal branch stars [PDF]
Mon.Not.Roy.Astron.Soc.326:1391,2001, 2001 (Abbreviated) We have used precise radial velocity measurements of subdwarf-B stars from the Palomar-Green catalogue to look for binary extreme horizontal branch (EHB) stars. We identify 36 EHB stars in our sample and find that at least 21 of these stars are binaries. All but one or two of these are new identifications.
arxiv +1 more source