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Related papers: Pulsar-Wind Nebulae: Recent Progress in Observatio…

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Bow-shock pulsar wind nebulae (PWNe) show a variety of morphological shapes. We attribute this diversity to the geometrical factors: relative orientations of the pulsar rotation axis, proper velocity, and the line of sight (magnetic…

High Energy Astrophysical Phenomena · Physics 2019-01-30 Maxim V. Barkov , Maxim Lyutikov , Dmitry Khangulyan

The hard X-ray synchrotron emission from pulsar wind nebulae (PWNe) probes energetic particles, closely related to the pulsar injection power at the present time. INTEGRAL has disclosed the yet poorly known population of hard X-ray…

High Energy Astrophysical Phenomena · Physics 2009-06-25 Fabio Mattana , Diego Götz , Régis Terrier , Matthieu Renaud , Maurizio Falanga

In the late 1960s the discovery of the Crab pulsar in its associated supernova remnant, launched a new field in supernova remnant research: the study of pulsar-driven or plerionic supernova remnants. In these type of remnants, the…

Astrophysics · Physics 2009-11-11 Eric van der Swaluw

The observations of the pulsar-wind nebula (PWN) around the Vela pulsar with the Advanced CCD Imaging Spectrometer aboard the Chandra X-ray Observatory, taken on 2000 April 30 and November 30, reveal its complex morphology reminiscent of…

Astrophysics · Physics 2009-11-06 G. G. Pavlov , O. Y. Kargaltsev , D. Sanwal , G. P. Garmire

Of the known pulsar wind nebulae, 8 are good candidates for being in the early stage of evolution where the wind nebula is interacting with the freely expanding supernova ejecta. Several of these have been identified with historical…

Astrophysics · Physics 2009-11-07 Roger A. Chevalier

The results of optical studies of Isolated Neutron Stars (INSs), their Pulsar-Wind Nebulae (PWNe) and Pulsar Bow Shocks are reviewed and discussed.

Astrophysics · Physics 2007-05-23 Roberto P. Mignani

A pulsar wind is a relativistic outflow dominated by Poynting energy at its base. Based on the standard ideal magnetohydrodynamic (MHD) model of pulsar wind nebulae (PWNe) with the ordered magnetic field, the observed slow expansion $v_{\rm…

High Energy Astrophysical Phenomena · Physics 2018-06-06 Shuta J. Tanaka , Kenji Toma , Nozomu Tominaga

Pulsars are known to be efficient accelerators that produce copious amounts of relativistic particles and inject them into the Galactic medium. The radiation emitted by such a pulsar wind can be seen from radio through gamma-rays as a…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Oleg Kargaltsev , George Pavlov

Young supernova remnants that contain pulsar wind nebulae provide diagnostics for both the inner part of the supernova and the interaction with the surrounding medium, providing an opportunity to relate these objects to supernova types.…

Astrophysics · Physics 2007-05-23 Roger A. Chevalier

The main goal of our present work is to provide, for the first time, a simple computational tool that can be used to compute the brightness, the spectral index, the polarization, the time variability and the spectrum of the non-thermal…

High Energy Astrophysical Phenomena · Physics 2009-03-25 D. Volpi , L. Del Zanna , E. Amato , N. Bucciantini

We present the results of detailed spatial and spectral analysis of the pulsar wind nebula (PWN) in supernova remnant Kes 75 (G29.7-0.3) using a deep exposure with Chandra X-ray observatory. The PWN shows a complex morphology with clear…

Astrophysics · Physics 2009-11-13 C. -Y. Ng , P. O. Slane , B. M. Gaensler , J. P. Hughes

In this letter, we describe results of new high-resolution axisymmetric relativistic MHD simulations of Pulsar Wind Nebulae. The simulations reveal strong breakdown of the equatorial symmetry and highly variable structure of the pulsar wind…

High Energy Astrophysical Phenomena · Physics 2015-05-13 N. F. Camus , S. S. Komissarov , N. Bucciantini , P. A. Hughes

In this paper we give a detailed account of the first 3D relativistic magnetohydrodynamic (MHD) simulations of Pulsar Wind Nebulae (PWN), with parameters most suitable for the Crab Nebula. In order to clarify the new features specific to 3D…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Oliver Porth , Serguei S. Komissarov , Rony Keppens

The most numerous source class that emerged from the H.E.S.S. Galactic Plane Survey are Pulsar Wind Nebulae (PWNe). The 2013 reanalysis of this survey, undertaken after almost 10 years of observations, provides us with the most sensitive…

High Energy Astrophysical Phenomena · Physics 2019-08-14 S. Klepser , S. Carrigan , E. de Oña Wilhelmi , C. Deil , A. Förster , V. Marandon , M. Mayer , K. Stycz , K. Valerius

Pulsar wind nebulae are fascinating systems, and archetypal sources for high-energy astrophysics in general. Due to their vicinity, brightness, to the fact that they shine at multi-wavelengths, and especially to their long-living emission…

High Energy Astrophysical Phenomena · Physics 2023-03-29 Barbara Olmi , Niccolò Bucciantini

Polarisation measurements of pulsars and of their pulsar wind nebulae (PWNe) are uniquely able to provide deep insights into the highly magnetised relativistic environment of young, rotation-powered isolated neutron stars (INSs). Besides…

Astrophysics of Galaxies · Physics 2009-04-14 R. P. Mignani

The extended nebulae formed as pulsar winds expand into their surroundings provide information about the composition of the winds, the injection history from the host pulsar, and the material into which the nebulae are expanding.…

Astrophysics · Physics 2009-11-13 Patrick Slane

Produced by the interaction between the ``pulsar wind'' powered by the rotational energy of a neutron star and its surroundings, the study of pulsar wind nebulae (PWNe) provides vital insight into the physics of neutron star magnetospheres…

Recent work on the properties of superluminal waves in pulsar winds is summarized. It is speculated that these waves play an important role in the termination shock that divides the wind from the surrounding nebula.

High Energy Astrophysical Phenomena · Physics 2013-10-21 John G. Kirk , Ioanna Arka

Pulsar Wind Nebulae are the astrophysical sources that host the most relativistic shocks in Nature and the only Galactic sources in which we have direct evidence of PeV particles. These facts make them very interesting from the point of…

High Energy Astrophysical Phenomena · Physics 2015-03-10 Elena Amato