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Related papers: The theory of pulsar wind nebulae

200 papers

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

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.…

High Energy Astrophysical Phenomena · Physics 2018-04-25 Patrick Slane

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

The large-scale structure of pulsar wind nebulae (PWNe) tells us a considerable amount about their average magnetic fields, the total particle input from the pulsar winds, and the confining pressure at their outer boundaries. However, the…

Astrophysics · Physics 2016-08-30 Patrick Slane

Energetic pulsars power winds of relativistic leptons which produce photon nebulae (so- called pulsar wind nebulae, PWNe). Their spectral energy distribution has a double-humped structure: the first hump lies in the X-ray regime, the second…

Astrophysics of Galaxies · Physics 2013-05-16 M. Mayer , J. Brucker , M. Holler , I. Jung , K. Valerius , C. Stegmann

Pulsar Wind Nebulae (PWNe) shine at multi-wavelengths and are expected to constitute the largest class of gamma-ray sources in our Galaxy. They are known to be very efficient particle accelerators: the Crab nebula, the PWNe class prototype,…

High Energy Astrophysical Phenomena · Physics 2023-03-27 Barbara Olmi

Pulsar wind nebulae (PWNe) are important sources for understanding galactic high-energy processes, but it is controversial until now about how high-energy particles in PWNe are accelerated and transported. Lacking radio counterparts of…

High Energy Astrophysical Phenomena · Physics 2025-03-04 Yu Zhang , Yihan Liu , C. -Y. Ng , Mallory S. E. Roberts , Lili Yang

We review observations of several classes of neutron-star-powered outflows: pulsar-wind nebulae (PWNe) inside shell supernova remnants (SNRs), PWNe interacting directly with interstellar medium (ISM), and magnetar-powered outflows. We…

High Energy Astrophysical Phenomena · Physics 2017-05-26 Stephen P. Reynolds , George G. Pavlov , Oleg Kargaltsev , Noel Klinger , Matthieu Renaud , Sandro Mereghetti

A complete set of diagnostic tools aimed at producing synthetic synchrotron emissivity, polarization, and spectral index maps from relativistic MHD simulations is presented. As a first application we consider here the case of the emission…

Astrophysics · Physics 2009-11-11 Luca Del Zanna , Delia Volpi , Elena Amato , Niccolo' Bucciantini

I outline, from a theoretical and somewhat personal perspective, significant features of Pulsar Wind Nebulae as Cosmic Accelerators. I discuss recent studies of Pulsar Wind Nebulae (PWNe). I pay special attention to the recently discovered…

High Energy Astrophysical Phenomena · Physics 2012-08-30 Jonathan Arons

X-ray polarization observations of pulsar wind nebulae (PWNe) provide crucial insights into magnetic field structures and particle acceleration mechanisms. While the Imaging X-ray Polarimetry Explorer (IXPE) has made significant…

High Energy Astrophysical Phenomena · Physics 2026-03-24 Kuan Liu , Fei Xie , Ming-Yu Ge , Wei Deng , En-Wei Liang

We present preliminary results from a systematic spectral study of pulsars and their wind nebulae using the Chandra X-Ray Observatory. The superb spatial resolution of Chandra allows us to differentiate the compact object's spectrum from…

Astrophysics · Physics 2007-05-23 E. V. Gotthelf , C. M. Olbert

The dynamics, energetics and evolution of pulsar wind nebulae (PWNe) and supernova remnants (SNRs), are strongly affected by their magnetic field strength and distribution. They are usually strong, extended, sources of non-thermal X-ray…

High Energy Astrophysical Phenomena · Physics 2017-08-09 E. de Ona Wilhelmi , J. Vink , A. Bykov , R. Zanin , N. Bucciantini , E. Amato , R. Bandiera , B. Olmi , Yu. Uvarov

Pulsars with high spin-down power produce relativistic winds radiating a fraction of the power in the range from radio to gamma-rays in the pulsar wind nebulae (PWNe). The rest of the power is dissipated in the interactions of the PWNe with…

High Energy Astrophysical Phenomena · Physics 2017-06-30 A. M. Bykov , E. Amato , A. E. Petrov , A. M. Krassilchtchikov , K. P. Levenfish

Pulsar wind nebulae (PWNe) are the synchrotron bubbles inflated by the rotational energy of a neutron star. Observing variability within them has previously been limited to cases of significant brightening, or the few instances where…

High Energy Astrophysical Phenomena · Physics 2020-09-09 Benson Guest , Samar Safi-Harb

Pulsar Wind Nebulae (PWNe) act as calorimeters for the relativistic pair winds emanating from within the pulsar light cylinder. Their radiative dissipation in various wavebands is significantly different from that of their pulsar central…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Matthew G. Baring

We review properties of Galactic VHE sources detected at TeV energies. The number of associations between the VHE sources and pulsars has grown in recent years, making pulsar-wind nebulae the dominant population, although there is still a…

High Energy Astrophysical Phenomena · Physics 2013-05-14 Oleg Kargaltsev , Blagoy Rangelov , George G. Pavlov

Pulsar Wind Nebulae, and the Crab nebula in particular, are the best cosmic laboratories to investigate the dynamics of magnetized relativistic outflows and particle acceleration up to PeV energies. Multidimensional MHD modeling by means of…

High Energy Astrophysical Phenomena · Physics 2017-11-29 Luca Del Zanna , Barbara Olmi

In the last decade, ground-based Imaging Atmospheric Cherenkov Telescopes have discovered about 175 very-high-energy (VHE; $E >$ 100 GeV) gamma-ray sources, with more to follow with the development of H.E.S.S. II and CTA. Nearly 40 of these…

High Energy Astrophysical Phenomena · Physics 2018-02-02 Carlo van Rensburg , Christo Venter , Paulus Kruger

A large part of the Galactic sources emitting very high energy (VHE; > 10^{11} eV) gamma-rays are currently still unidentified. The evolution of Pulsar Wind Nebulae (PWNe) plays a crucial role in interpreting these sources. The…

High Energy Astrophysical Phenomena · Physics 2018-05-30 S. Kaufmann , O. Tibolla