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Related papers: Pulsar Wind Nebulae in EGRET Error Boxes

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The vicinity of the unidentified EGRET source 3EG J1420-6038 has undergone extensive study in the search for counterparts, revealing the energetic young pulsar PSR J1420-6048 and its surrounding wind nebula as a likely candidate for at…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Adam Van Etten , Roger W. Romani

The nearby, middle-aged PSR B1055-52 has many properties in common with the Geminga pulsar. Motivated by the Geminga's enigmatic and prominent pulsar wind nebula (PWN), we searched for extended emission around PSR B1055-52 with Chandra…

High Energy Astrophysical Phenomena · Physics 2015-10-07 B. Posselt , G. Spence , G. G. Pavlov

We present here the first effort to compute synthetic synchrotron polarization maps of Pulsar Wind Nebulae (PWNe). Our goal is to highlight how polarization can be used as an additional diagnostic tool for the flow structure in the inner…

Astrophysics · Physics 2009-11-11 N. Bucciantini , L. Del Zanna , E. amato , D. Volpi

The identity of the persistent EGRET sources in the Galactic plane is largely a mystery. For one of these, 3EG J2227+6122, our complete census of X-ray and radio sources in its error circle reveals a remarkable superposition of an…

Astrophysics · Physics 2009-10-31 J. P. Halpern , E. V. Gotthelf , K. M. Leighly , D. J. Helfand

The pulsar wind nebula (PWN) HESS~J1825-137, known to exhibit strong energy dependent morphology, was discovered by HESS in 2005. Powered by the pulsar PSR~B1823-13, the TeV gamma-ray emitting nebula is significantly offset from the pulsar.…

High Energy Astrophysical Phenomena · Physics 2017-08-09 A. M. W. Mitchell , C. Mariaud , P. Eger , S. Funk , J. Hahn , J. Hinton , R. D. Parsons , V. Marandon

G54.1+0.3 is a Crab-like pulsar wind nebula (PWN) with the highest $\gamma$-ray to X-ray luminosity ratio among all the nebulae driven by young rotation-powered pulsars. We model the spectral evolution of the PWN and find it difficult to…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Hui Li , Yang Chen , Li Zhang

In a Pulsar Wind Nebula (PWN), the lifetime of inverse Compton (IC) emitting electrons exceeds the lifetime of its progenitor pulsar (as well as its shell-type remnant), but it also exceeds the age of those that emit via synchrotron…

High Energy Astrophysical Phenomena · Physics 2015-06-11 O. Tibolla , M. Vorster , O. de Jager , S. E. S. Ferreira , S. Kaufmann , C. Venter , K. Mannheim , F. Giordano

Pulsar Wind Nebulae (PWNe) represent the most prominent population of Galactic very-high-energy gamma-ray sources and are thought to be an efficient source of leptonic cosmic rays. Vela X is a nearby middle-aged PWN, which shows bright…

High Energy Astrophysical Phenomena · Physics 2019-07-10 H. E. S. S. Collaboration

The Vela\,X pulsar wind nebula (PWN) is characterized by the extended radio nebula (ERN) and the central X-ray "cocoon". We have interpreted the $\gamma$-ray spectral properties of the cocoon in the sibling paper (Bao et al.\,2019); here,…

High Energy Astrophysical Phenomena · Physics 2019-09-04 Yiwei Bao , Yang Chen

In this paper, we present a full spatially resolved polarization map for the Vela Pulsar Wind Nebula (PWN) observed by IXPE. By employing effective background discrimination techniques, our results show a remarkably high degree of local…

High-energy particle transport in pulsar wind nebulae (PWNe) plays an essential role in explaining the characteristics revealed in multiwavelength observations. In this paper, the TeV-gamma-ray-emitting electrons in the Vela X PWN are…

High Energy Astrophysical Phenomena · Physics 2019-07-04 Yiwei Bao , Siming Liu , Yang Chen

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 performed a spatially resolved spectral X-ray study of the pulsar wind nebula (PWN) in the supernova remnant G0.9+0.1. Furthermore we modeled its nonthermal emission in the X-ray and very high energy (VHE, E > 100 GeV) gamma-ray regime.…

Astrophysics of Galaxies · Physics 2012-01-25 M. Holler , F. M. Schöck , P. Eger , D. Kießling , K. Valerius , C. Stegmann

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 present an investigation of the spectral and spatial structure of the X-ray emission from 3C 58 based on a 350 ks observation with the Chandra X-ray Observatory. This deep image, obtained as part of the Chandra Large Project program,…

Astrophysics · Physics 2009-11-10 Patrick Slane , David J. Helfand , Eric van der Swaluw , Stephen S. Murray

Some fast-moving pulsars, like the Guitar and the Lighthouse, exhibit asymmetric non-thermal emission features that extend well beyond their ram pressure confined pulsar wind nebulae (PWNe). Using 3D relativistic simulations we explain…

High Energy Astrophysical Phenomena · Physics 2019-03-06 Maxim V. Barkov , Maxim Lyutikov , Noel Klingler , Pol Bordas

A wind nebula, generating extended X-ray emission, was recently detected surrounding Swift J1834.9-0846. This is the first magnetar for which such a wind nebula was found. Here, we investigate whether there is a plausible scenario where the…

High Energy Astrophysical Phenomena · Physics 2017-01-25 Diego F. Torres

Soon after the discovery of radio pulsars in 1967, the pulsars are identified as strongly magnetic (typically $10^{12}$G) rapidly rotating ($\sim 10^{2}-0.1$ Hz) neutron stars. However, the mechanism of particle acceleration in the pulsar…

Astrophysics · Physics 2008-11-26 Tomohide Wada , Shinpei Shibata

We model the morphology and spectrum of a pulsar wind nebula using a leptonic emission code. This code is a time-dependent, multi-zone model that investigates the changes in the particle spectrum as they traverse the nebula. We calculate…

High Energy Astrophysical Phenomena · Physics 2018-10-01 Carlo van Rensburg , Christo Venter P. Paulus Kruger

The Crab Nebula demonstrates that neutron stars can interact with their environments in spectacular fashion, their relativistic winds generating nebulae observable across the electromagnetic spectrum. At many previous conferences,…

Astrophysics · Physics 2007-05-23 Bryan M. Gaensler