English
Related papers

Related papers: Irregularly Sampled Time Series Interpolation for …

200 papers

We have analyzed the properties of the star formation episodes taking place in a sample of Blue Compact and Irregular galaxies by comparing their multiwavelength observational properties with the predictions of evolutionary population…

Astrophysics · Physics 2007-05-23 J. M. Mas-Hesse , D. Kunth

The work presented here examines populations of double compact binary systems and tidally enhanced collapsars. We make use of BINPOP and BINKIN, two components of a recently developed population synthesis package. Results focus on…

Astrophysics of Galaxies · Physics 2015-05-18 Paul Kiel , Jarrod Hurley , Matthew Bailes

Irregularly sampled time series analysis is a common problem in various disciplines. Since conventional methods are not directly applicable to irregularly sampled time series, a common interpolation approach is used; however, this causes…

Applications · Statistics 2022-04-11 Celik Ozdes , Deniz Eroglu

We performed a near-infrared (NIR, $\sim$1.0$\mu$m-2.4$\mu$m) stellar population study in a sample of early type galaxies. The synthesis was performed using five different evolutionary population synthesis libraries of models. Our main…

Knowledge of the binary population in stellar groupings provides important information about the outcome of the star forming process in different environments. Binarity is also a key ingredient in stellar population studies and is a…

We develop a rapid algorithm for the evolution of stable, circular, circumbinary discs suitable for parameter estimation and population synthesis modelling. Our model includes disc mass and angular momentum changes, accretion on to the…

Solar and Stellar Astrophysics · Physics 2024-01-26 Robert G. Izzard , Adam S. Jermyn

We study the evolution of binary stars in globular clusters using a new Monte Carlo approach combining a population synthesis code (StarTrack), and a simple treatment of dynamical interactions in the dense cluster core using a new tool for…

Astrophysics · Physics 2009-11-10 N. Ivanova , K. Belczynski , J. M. Fregeau , F. A. Rasio

The effectiveness and stability of mass transfer in binaries system are crucial in determining its final product. Rapid binary population synthesis (BPS) codes simplify the complex physics of mass transfer by adopting parameterized…

Solar and Stellar Astrophysics · Physics 2025-11-26 A. C. Rubio , K. Breivik , C. Badenes , K. El-Badry , B. Anguiano , E. Linck , S. Majewski , K. Stassun

Formation rates of compact-object binaries are often derived from population synthesis calculations. However, such calculations depend sensitively on a relatively large number of model input parameters. Given considerable uncertainty in…

Astrophysics · Physics 2009-04-03 R. O'Shaughnessy , V. Kalogera , K. Belczynski

Studying the internal dynamics of stellar clusters is conducted primarily through N-Body simulations. One of the major inputs into N-Body simulations is the binary star frequency and mass distribution, which is currently constrained by…

Solar and Stellar Astrophysics · Physics 2015-11-17 Peter Frinchaboy , Benjamin Thompson

Long-duration gamma-ray bursts (GRBs) are understood to be the final fate for a subset of massive, stripped envelope, rapidly rotating stars. Beyond this, our knowledge of the progenitor systems is limited. Using the BPASS (Binary…

High Energy Astrophysical Phenomena · Physics 2019-11-20 A. A. Chrimes , E. R. Stanway , J. J. Eldridge

The mass discrepancy problem, observed in high-mass stars within eclipsing binaries, highlights systematic differences between dynamical and evolutionary mass estimates, challenging the accuracy of stellar evolution models. We aim to…

Solar and Stellar Astrophysics · Physics 2025-07-15 Nadya Serebriakova , Andrew Tkachenko , Cole Johnston , Krešimir Pavlovski , Conny Aerts

We construct evolutionary synthesis models for simple stellar populations using the evolutionary tracks from the Padova group (1993, 1994), theoretical colour calibrations from Lejeune et al., and fit functions for stellar atmospheric…

Astrophysics · Physics 2009-10-30 O. M. Kurth , U. Fritze - v. Alvensleben , K. J. Fricke

We present an X-ray binary population synthesis model, and use it to simulate the evolution of X-ray binaries formed in a burst of star formation of duration 20 Myr and star-formation rate 10 M_sun/yr. Our goal is to explain the hard (2-10…

Astrophysics · Physics 2007-05-23 M. S. Sipior , M. Eracleous , S. Sigurdsson

Abstract abridged. Eclipsing binary systems provide the opportunity to measure the fundamental parameters of their component stars in a stellar-model-independent way. This makes them ideal candidates for testing and calibrating theories of…

Instrumentation and Methods for Astrophysics · Physics 2024-02-12 Luc W. IJspeert , Andrew Tkachenko , Cole Johnston , Andrej Prša , Mark A. Wells , Conny Aerts

We report on the properties of eclipsing binaries from the Kepler mission with a newly developed photometric modeling code, which uses the light curve, spectral energy distribution of each binary, and stellar evolution models to infer…

Solar and Stellar Astrophysics · Physics 2019-08-14 Diana Windemuth , Eric Agol , Aleezah Ali , Flavien Kiefer

The discovery of multiple stellar populations in globular clusters has implications for all the aspects of the study of these stellar systems. In this paper, by means of N-body simulations, we study the evolution of binary stars in…

A numerical solution scheme for the Einstein field equations based on generalized harmonic coordinates is described, focusing on details not provided before in the literature and that are of particular relevance to the binary black hole…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Frans Pretorius

We briefly review some constraints (Owing to the limited number of pages of present review, only a sub-sample of the topics discussed during the talk are briefly summarized. For the interested readers we are pleased to send them upon…

Astrophysics · Physics 2009-11-13 S. Cassisi

The vast majority of compact binary mergers in the Universe produce gravitational waves that are too weak to yield unambiguous detections; they are unresolved. We present a method to infer the population properties of compact binaries --…

High Energy Astrophysical Phenomena · Physics 2020-06-17 Rory Smith , Colm Talbot , Francisco Hernandez Vivanco , Eric Thrane