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Related papers: PsrPopPy: An open-source package for pulsar popula…

200 papers

Pulsating stars are universally recognized as precise distance indicators and tracers of stellar populations. Their variability, combined with well-defined relationships between pulsation properties and intrinsic evolutionary parameters…

Solar and Stellar Astrophysics · Physics 2024-11-05 Giulia De Somma , Marcella Marconi , Santi Cassisi , Roberto Molinaro

Using Monte Carlo simulations, we model the luminosity distribution of recycled pulsars in globular clusters as the brighter, observable part of an intrinsic distribution and find that the observed luminosities can be reproduced using…

Solar and Stellar Astrophysics · Physics 2011-11-14 Manjari Bagchi , Duncan R. Lorimer , Jayanth Chennamangalam

Inference of the physical properties of stellar populations from observed photometry and spectroscopy is a key goal in the study of galaxy evolution. In recent years the quality and quantity of the available data has increased, and there…

Astrophysics of Galaxies · Physics 2021-05-26 Benjamin D. Johnson , Joel Leja , Charlie Conroy , Joshua S. Speagle

The $P\dot P$ diagram is a cornerstone of pulsar research. It is used in multiple ways for classifying the population, understanding evolutionary tracks, identifying issues in our theoretical reach, and more. However, we have been looking…

High Energy Astrophysical Phenomena · Physics 2022-08-17 C. R. García , Diego F. Torres , Alessandro Patruno

Simulating a survey of fluxes and redshifts (distances) from an astrophysical population is a routine task. \texttt{popsynth} provides a generic, object-oriented framework to produce synthetic surveys from various distributions and…

Instrumentation and Methods for Astrophysics · Physics 2021-07-20 J. Michael Burgess , Francesca Capel

We describe for the first time in the scientific literature the Planetary Ephemeris Program (PEP), an open-source general-purpose astrometric data analysis program. We discuss, in particular, the implementation of pulsar timing analysis,…

Instrumentation and Methods for Astrophysics · Physics 2021-08-11 John F. Chandler , James B. R. Battat , Thomas W. Murphy, , Daniel Reardon , Robert D. Reasenberg , Irwin I. Shapiro

PSRCHIVE is an open-source, object-oriented, scientific data analysis software library and application suite for pulsar astronomy. It implements an extensive range of general-purpose algorithms for use in data calibration and integration,…

Instrumentation and Methods for Astrophysics · Physics 2012-05-30 Willem van Straten , Paul Demorest , Stefan Osłowski

Obtaining pulsar parallaxes via relative astrometry (also known as differential astrometry) yields distances and transverse velocities that can be used to probe properties of the pulsar population and the interstellar medium. Large programs…

Solar and Stellar Astrophysics · Physics 2011-10-13 A. T. Deller , W. F. Brisken , S. Chatterjee , J. M. Cordes , W. M. Goss , G. H. Janssen , Y. Y. Kovalev , T. J. W. Lazio , L. Petrov , B. W. Stappers

The observed values of the rate of change of the orbital and the spin periods of pulsars are affected by different dynamical effects, for example, the line-of-sight acceleration and the proper motion of the pulsar relative to the sun. We…

Instrumentation and Methods for Astrophysics · Physics 2018-12-04 Dhruv Pathak , Manjari Bagchi

Modeling of large populations of binary stellar systems is an intergral part of a many areas of astrophysics, from radio pulsars and supernovae to X-ray binaries, gamma-ray bursts, and gravitational-wave mergers. Binary population synthesis…

We present EzGal, a flexible python program designed to easily generate observable parameters (magnitudes, colors, mass-to-light ratios) for any stellar population synthesis (SPS) model. As has been demonstrated by various authors, the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 Conor Mancone , Anthony Gonzalez

On the basis of the PSRPOPPY software package, we developed an evolution model of population synthesis for isolated radio pulsars by incorporating the fan beam model, an alternative radio emission beam model to the widely used conal beam…

High Energy Astrophysical Phenomena · Physics 2021-01-06 W. J. Huang , H. G. Wang

In this work we introduce ProGeny, a new stellar population library (SPL) software package written in R. This release encapsulates the core software (github.com/asgr/ProGeny) to generate simple/single stellar populations and their…

Astrophysics of Galaxies · Physics 2025-05-19 A. S. G. Robotham , S. Bellstedt

I present StarEstate, an open-source Python package for producing rapid, statistically robust galactic population synthesis models. By utilizing optimized pre-calculated inverse-cumulative distribution function samplers, the tool generates…

Instrumentation and Methods for Astrophysics · Physics 2025-11-27 Amedeo Romagnolo

We present a new version of the FIT3D and Pipe3D codes, two packages to derive properties of the stellar populations and the ionized emission lines from optical spectroscopy and integral field spectroscopy data respectively. The new codes…

Natural microbial communities contain hundreds to thousands of interacting species. For this reason, computational simulations are playing an increasingly important role in microbial ecology. In this manuscript, we present a new…

Populations and Evolution · Quantitative Biology 2020-07-01 Robert Marsland , Wenping Cui , Joshua Goldford , Pankaj Mehta

Pulsars are highly magnetized rotating neutron stars, emitting in a broad electromagnetic energy range. Reproducing the observed pulsars population refines our understanding of their formation and evolution scenarios as well as their…

High Energy Astrophysical Phenomena · Physics 2024-11-27 Mattéo Sautron , Jérôme Pétri , Dipanjan Mitra , Ludmilla Dirson

A new Bayesian method for the analysis of folded pulsar timing data is presented that allows for the simultaneous evaluation of evolution in the pulse profile in either frequency or time, along with the timing model and additional…

Instrumentation and Methods for Astrophysics · Physics 2015-01-09 L Lentati , P. Alexander , M. P. Hobson

We present an overview of Sherpa, an open source Python project, and discuss its development history, broad design concepts and capabilities. Sherpa contains powerful tools for combining parametric models into complex expressions that can…

PINT is a pure-Python framework for high-precision pulsar timing developed on top of widely used and well-tested Python libraries, supporting both interactive and programmatic data analysis workflows. We present a new frequentist framework…