Results 51 to 60 of about 1,454,993 (340)
The dynamical fate of binary star clusters in the Galactic tidal field [PDF]
, 2016 Fragmentation and fission of giant molecular clouds occasionally results in a pair of gravitationally bound star clusters that orbit their mutual centre of mass for some time, under the influence of internal and external perturbations. We investigate the
R. Priyatikanto +5 more
semanticscholar +1 more source
Thermal Timescale Mass Transfer Rates in Intermediate-Mass X-ray Binaries [PDF]
, 2007 Thermal timescale mass transfer generally occurs in close binaries where the donor star is more massive than the accreting star. The mass transfer rates are usually estimated in terms of the Kelvin-Helmholtz timescale of the donor star.
Li, Xiang-Dong, Xu, Xiao-Jie
core +1 more source
Improving the NRTidal model for binary neutron star systems [PDF]
Physical Review D, 2019 Accurate and fast gravitational waveform (GW) models are essential to extract information about the properties of compact binary systems that generate GWs.
T. Dietrich +5 more
semanticscholar +1 more source
, 1998 In this paper we have examined numerically exact configurations of close binary systems composed of incompressible fluids with internal flows.
Eriguchi, Yoshiharu, Uryu, Koji
core +2 more sources
The Astronomical Journal, 2023 In this study, we continue our project to search for unresolved binary and multiple systems in open clusters exploiting the photometric diagram (H–W2)–W1 versus W2–(BP–K) first introduced in Malofeeva et al. In particular, here we estimate the binary and
Alina A. Malofeeva +3 more
doaj +1 more source
Time after time – circadian clocks through the lens of oscillator theory
FEBS Letters, EarlyView.Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo +2 more
wiley +1 more source
, 2007 We study the effect of the neutron star spin -- kick velocity alignment observed in young radio pulsars on the coalescence rate of binary neutron stars. Two scenarios of the neutron star formation are considered: when the kick is always present and when ...
A. G. Kuranov +9 more
core +1 more source
High-resolution optical and infrared spectroscopic observations of Cir X-1 [PDF]
, 1999 We present new optical and infrared (IR) observations of Cir X-1 taken near apastron. Both sets of spectra show asymmetric emission lines. Archival optical observations show that an asymmetric Hα emission line has been in evidence for the past 20 years ...
Fender, R, Johnston, HM, Wu, K
core +4 more sources
Physics Letters B, 2020 The groundbreaking discoveries of gravitational waves from binary black-hole mergers [1–3] and, most recently, coalescing neutron stars [4] started a new era of Multi-Messenger Astrophysics and revolutionized our understanding of the Cosmos.
Plamen G. Krastev
doaj +1 more source
Properties of Binary Systems in a One-dimensional Approximation
The Astrophysical Journal, 2023 Evolutionary calculations for stars in close binary systems are in high demand to obtain better constraints on gravitational-wave source progenitors, understand transient events from stellar interactions, and more.
Ali Pourmand, Natalia Ivanova
doaj +1 more source