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The properties of the entire neutron star population can be inferred by modeling their evolution, from birth to the present, through pulsar population synthesis. This involves simulating a mock population, applying observational filters,…

High Energy Astrophysical Phenomena · Physics 2025-04-17 Celsa Pardo Araujo , Michele Ronchi , Vanessa Graber , Nanda Rea

We perform population synthesis studies of different types of neutron stars (thermally emitting isolated neutron stars, normal radio pulsars, magnetars) taking into account the magnetic field decay and using results from the most recent…

High Energy Astrophysical Phenomena · Physics 2014-11-20 S. B. Popov , J. A. Pons , J. A. Miralles , P. A. Boldin , B. Posselt

Population synthesis studies constitute a powerful method to reconstruct the birth distribution of periods and magnetic fields of the pulsar population. When this method is applied to populations in different wavelengths, it can break the…

High Energy Astrophysical Phenomena · Physics 2015-09-30 M. Gullón , J. A. Pons , J. A. Miralles , D. Viganò , N. Rea , R. Perna

This thesis work represents the first efforts to combine population synthesis studies of the Galactic isolated neutron stars with deep-learning techniques with the aim of better understanding neutron-star birth properties and evolution. In…

High Energy Astrophysical Phenomena · Physics 2024-04-25 Michele Ronchi

We revisit the population synthesis of isolated radio-pulsars incorporating recent advances on the evolution of the magnetic field and the angle between the magnetic and rotational axes from new simulations of the magneto-thermal evolution…

High Energy Astrophysical Phenomena · Physics 2014-06-27 Miguel Gullón , Juan A. Miralles , Daniele Viganò , José A. Pons

We present a population synthesis model for normal radio pulsars in the Galaxy incorporating the latest developments in the field and the magnetorotational evolution processes. Our model considers spin-down with a force-free magnetosphere…

High Energy Astrophysical Phenomena · Physics 2026-04-16 Zhihong Shi , C. -Y. Ng

We explore the hypothesis that the magnetic fields of neutron stars are of fossil origin. For parametrised models of the distribution of magnetic flux on the Main Sequence and of the birth spin period of the neutron stars, we calculate the…

Astrophysics · Physics 2009-11-11 Lilia Ferrario , Dayal Wickramasinghe

We perform population synthesis studies of different types of neutron stars taking into account the magnetic field decay. For the first time, we confront our results with observations using {\it simultaneously} the Log N -- Log S…

High Energy Astrophysical Phenomena · Physics 2015-05-20 S. B. Popov , P. A. Boldin , J. A. Miralles , J. A. Pons , B. Posselt

Population synthesis modeling of the observed dynamical and physical properties of a population is a highly effective method for constraining the underlying birth parameters and evolutionary tracks. In this work, we apply a population…

High Energy Astrophysical Phenomena · Physics 2025-06-16 Mattéo Sautron , Alexander Eli McEwen , George Younes , Jérôme Pétri , Paz Beniamini , Daniela Huppenkothen

Current wisdom accounts to the diversity of neutron star observational manifestations to their birth scenarios, influencing their thermal and magnetic field evolution. Among the kind of observed neutron stars, radio pulsars represent by far…

High Energy Astrophysical Phenomena · Physics 2022-11-16 Ludmilla Dirson , Jérôme Pétri , Dipanjan Mitra

The computation of theoretical pulsar populations has been a major component of pulsar studies since the 1970s. However, the majority of pulsar population synthesis has only regarded isolated pulsar evolution. Those that have examined…

Astrophysics · Physics 2009-11-13 Paul Kiel , Jarrod Hurley , Matthew Bailes , James Murray

We present results of our pulsar population synthesis of ordinary isolated and millisecond pulsars in the Galactic plane. Over the past several years, a program has been developed to simulate pulsar birth, evolution and emission using Monte…

Astrophysics · Physics 2008-11-26 Peter L. Gonthier , Sarah A. Story , Brian D. Clow , Alice K. Harding

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

We present results of our pulsar population synthesis of normal pulsars from the Galactic disk using our previously developed computer code. On the same footing, we use slot gap and outer gap models for gamma-ray emission from normal…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Peter L. Gonthier , Caleb Billman , Alice K. Harding , Isabelle A. Grenier , Marco Pierbattista

We study, via a Monte Carlo simulation, a population of isolated asymmetric neutron stars where the magnitude of the magnetic field is low enough so that the dynamical evolution is dominated by the emission of gravitational waves. A…

Astrophysics · Physics 2009-11-10 C. Palomba

New results based on methods of population synthesis, concerning magnetic field effects on the evolution of pulsars are reported. The present study confirms that models with timescales for the magnetic field decay longer than the pulsar…

Astrophysics · Physics 2009-11-06 T. Regimbau , J. A. de Freitas Pacheco

We present results of our pulsar population synthesis of normal pulsars from the Galactic disk using our previously developed Monte-Carlo code. From our studies of observed radio pulsars that have clearly identifiable core and cone…

High Energy Astrophysical Phenomena · Physics 2016-09-08 Peter L. Gonthier , Erin Nagelkirk , Melanie Stam , Alice K. Harding

A large fraction of Gamma Ray Bursts (GRBs) displays an X-ray plateau phase within <10^{5} s from the prompt emission, proposed to be powered by the spin-down energy of a rapidly spinning newly born magnetar. In this work we use the…

High Energy Astrophysical Phenomena · Physics 2015-11-11 Nanda Rea , Miguel Gullon , Jose' A. Pons , Rosalba Perna , Maria G. Dainotti , Juan A. Miralles , Diego F. Torres

We model the evolution of the magnetic fields of neutron stars as consisting of a long term power-law decay modulated by short term small amplitude oscillations. Our model predictions on the timing noise $\ddot\nu$ of neutron stars agree…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Shuang-Nan Zhang , Yi Xie

We simulate the characteristics of the Galactic population of radio and $\gamma$-ray pulsars using Monte Carlo techniques. At birth, neutron stars are spatially distributed in the Galactic disk, with supernova-kick velocities, and randomly…

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