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The number of known PWNe has recently increased considerably, and the majority of them are now middle-age objects. Recent studies have shown a clear correlation of both X-ray luminosity and size with the PWN age, but fail in providing a…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Rino Bandiera

We review multiwavelength properties of pulsar wind nebulae (PWNe) created by supersonically moving pulsars and the effects of pulsar motion on the PWN morphologies and the ambient medium. Supersonic pulsar wind nebulae (SPWNe) are…

High Energy Astrophysical Phenomena · Physics 2017-11-15 Oleg Kargaltsev , George G. Pavlov , Noel Klingler , Blagoy Rangelov

Supernova remnants (SNRs) have been considered as the dominant contributors to Galactic cosmic rays. However, the relation between high-energy particles trapped in SNRs and cosmic rays observed at the Earth remains obscure. In this paper,…

High Energy Astrophysical Phenomena · Physics 2019-03-27 Houdun Zeng , Yuliang Xin , Siming Liu

While supernova remnants (SNRs) have long been considered prime candidates as sources of cosmic rays, it is only recently that X-ray observations have identified several shell-type SNRs dominated by nonthermal emission, thus revealing…

Astrophysics · Physics 2007-05-23 Patrick Slane

A systematic X-ray survey of the most energetic rotation-powered pulsars known, based on spin-down energy loss rate, $\dot E$ = $I\omega\dot\omega$, shows that all energetic pulsars with $\dot E > \dot E_{c} \approx 3.4 \times\ 10^{36}$ erg…

Astrophysics · Physics 2007-05-23 E. V. Gotthelf

SNR G0.9+0.1 is a well known source in the direction of the Galactic Center composed by a Supernova Remnant (SNR) and a Pulsar Wind Nebula (PWN) in the core. We investigate the potential of the future Cherenkov Telescope Array (CTA),…

High Energy Astrophysical Phenomena · Physics 2020-10-07 M. Fiori , L. Zampieri , A. Burtovoi , P. Caraveo , L. Tibaldo

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

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

Pulsar wind nebulae (PWNe) studies with the Chandra X-ray Observatory have opened a new window to address the physics of pulsar winds, zoom on their interaction with their hosting supernova remnant (SNR) and interstellar medium, and…

High Energy Astrophysical Phenomena · Physics 2015-06-16 H. Matheson , S. Safi-Harb , R. Kothes

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

Pulsars are one of the possible final stages in the evolution of massive stars. If a supernova explosion is anisotropic, it can give the pulsar a powerful kick, propelling it to supersonic speeds. The resulting pulsar wind nebula is…

High Energy Astrophysical Phenomena · Physics 2025-03-28 D. M. A. Meyer , D. F. Torres , Z. Meliani

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…

Pulsar bow-shock nebulae are a class of pulsar wind nebulae (PWNe) that form when the pulsar wind is confined by the ram pressure of the ambient medium, and are usually associated with old pulsars, that have already emerged from the…

Astrophysics · Physics 2009-11-10 N. Bucciantini , E. Amato , L. Del Zanna

We present results from the Hitomi X-ray observation of a young composite-type supernova remnant (SNR) G21.5$-$0.9, whose emission is dominated by the pulsar wind nebula (PWN) contribution. The X-ray spectra in the 0.8-80 keV range obtained…

High Energy Astrophysical Phenomena · Physics 2019-03-06 Hitomi Collaboration , Felix Aharonian , Hiroki Akamatsu , Fumie Akimoto , Steven W. Allen , Lorella Angelini , Marc Audard , Hisamitsu Awaki , Magnus Axelsson , Aya Bamba , Marshall W. Bautz , Roger Blandford , Laura W. Brenneman , Gregory V. Brown , Esra Bulbul , Edward M. Cackett , Maria Chernyakova , Meng P. Chiao , Paolo S. Coppi , Elisa Costantini , Jelle de Plaa , Cor P. de Vries , Jan-Willem den Herder , Chris Done , Tadayasu Dotani , Ken Ebisawa , Megan E. Eckart , Teruaki Enoto , Yuichiro Ezoe , Andrew C. Fabian , Carlo Ferrigno , Adam R. Foster , Ryuichi Fujimoto , Yasushi Fukazawa , Akihiro Furuzawa , Massimiliano Galeazzi , Luigi C. Gallo , Poshak Gandhi , Margherita Giustini , Andrea Goldwurm , Liyi Gu , Matteo Guainazzi , Yoshito Haba , Kouichi Hagino , Kenji Hamaguchi , Ilana M. Harrus , Isamu Hatsukade , Katsuhiro Hayashi , Takayuki Hayashi , Kiyoshi Hayashida , Junko S. Hiraga , Ann Hornschemeier , Akio Hoshino , John P. Hughes , Yuto Ichinohe , Ryo Iizuka , Hajime Inoue , Yoshiyuki Inoue , Manabu Ishida , Kumi Ishikawa , Yoshitaka Ishisaki , Masachika Iwai , Jelle Kaastra , Tim Kallman , Tsuneyoshi Kamae , Jun Kataoka , Satoru Katsuda , Nobuyuki Kawai , Richard L. Kelley , Caroline A. Kilbourne , Takao Kitaguchi , Shunji Kitamoto , Tetsu Kitayama , Takayoshi Kohmura , Motohide Kokubun , Katsuji Koyama , Shu Koyama , Peter Kretschmar , Hans A. Krimm , Aya Kubota , Hideyo Kunieda , Philippe Laurent , Shiu-Hang Lee , Maurice A. Leutenegger , Olivier Limousin , Michael Loewenstein , Knox S. Long , David Lumb , Greg Madejski , Yoshitomo Maeda , Daniel Maier , Kazuo Makishima , Maxim Markevitch , Hironori Matsumoto , Kyoko Matsushita , Dan McCammon , Brian R. McNamara , Missagh Mehdipour , Eric D. Miller , Jon M. Miller , Shin Mineshige , Kazuhisa Mitsuda , Ikuyuki Mitsuishi , Takuya Miyazawa , Tsunefumi Mizuno , Hideyuki Mori , Koji Mori , Koji Mukai , Hiroshi Murakami , Richard F. Mushotzky , Takao Nakagawa , Hiroshi Nakajima , Takeshi Nakamori , Shinya Nakashima , Kazuhiro Nakazawa , Kumiko K. Nobukawa , Masayoshi Nobukawa , Hirofumi Noda , Hirokazu Odaka , Takaya Ohashi , Masanori Ohno , Takashi Okajima , Naomi Ota , Masanobu Ozaki , Frits Paerels , Stéphane Paltani , Robert Petre , Ciro Pinto , Frederick S. Porter , Katja Pottschmidt , Christopher S. Reynolds , Samar Safi-Harb , Shinya Saito , Kazuhiro Sakai , Toru Sasaki , Goro Sato , Kosuke Sato , Rie Sato , Toshiki Sato , Makoto Sawada , Norbert Schartel , Peter J. Serlemtsos , Hiromi Seta , Megumi Shidatsu , Aurora Simionescu , Randall K. Smith , Yang Soong , Łukasz Stawarz , Yasuharu Sugawara , Satoshi Sugita , Andrew Szymkowiak , Hiroyasu Tajima , Hiromitsu Takahashi , Tadayuki Takahashi , Shin'ichiro Takeda , Yoh Takei , Toru Tamagawa , Takayuki Tamura , Takaaki Tanaka , Yasuo Tanaka , Yasuyuki T. Tanaka , Makoto S. Tashiro , Yuzuru Tawara , Yukikatsu Terada , Yuichi Terashima , Francesco Tombesi , Hiroshi Tomida , Yohko Tsuboi , Masahiro Tsujimoto , Hiroshi Tsunemi , Takeshi Go Tsuru , Hiroyuki Uchida , Hideki Uchiyama , Yasunobu Uchiyama , Shutaro Ueda , Yoshihiro Ueda , Shin'ichiro Uno , C. Megan Urry , Eugenio Ursino , Shin Watanabe , Norbert Werner , Dan R. Wilkins , Brian J. Williams , Shinya Yamada , Hiroya Yamaguchi , Kazutaka Yamaoka , Noriko Y. Yamasaki , Makoto Yamauchi , Shigeo Yamauchi , Tahir Yaqoob , Yoichi Yatsu , Daisuke Yonetoku , Irina Zhuravleva , Abderahmen Zoghbi , Toshiki Sato , Nozomu Nakaniwa , Hiroaki Murakami , Benson Guest

We present the first images of the pulsar wind nebula (PWN) MSH 15-52 in the hard X-ray band (>8 keV), as measured with the Nuclear Spectroscopic Telescope Array (NuSTAR). Overall, the morphology of the PWN as measured by NuSTAR in the 3-7…

Hydrodynamical simulations are presented of a pulsar wind emitted by a supersonically moving pulsar. The pulsar moves through the interstellar medium or, in the more interesting case, through the supernova remnant created at its birth…

Astrophysics · Physics 2009-11-07 E. van der Swaluw , A. Achterberg , Y. A. Gallant , T. P. Downes , R. Keppens

Pulsar wind nebulae (PWNe) are suggested to be acceleration sites of cosmic rays in the Galaxy. While the magnetic field plays an important role in the acceleration process, previous observations of magnetic field configurations of PWNe are…

High Energy Astrophysical Phenomena · Physics 2016-04-06 Y. K. Ma , C. -Y. Ng , N. Bucciantini , P. O. Slane , B. M. Gaensler , T. Temim

We observed the young pulsar J1357--6429 with the {\it Chandra} and {\it XMM-Newton} observatories. The pulsar spectrum fits well a combination of absorbed power-law model ($\Gamma=1.7\pm0.6$) and blackbody model ($kT=140^{+60}_{-40}$ eV,…

High Energy Astrophysical Phenomena · Physics 2015-05-28 Chulhoon Chang , George G. Pavlov , Oleg Kargaltsev , Yurii A. Shibanov

The purpose of this paper is to suggest how detailed single-pulse observations of ``slow'' radio pulsars may be utilized to construct an empirical model for their emission. It links the observational synthesis developed in a series of…

Astrophysics · Physics 2009-11-07 Joanna M. Rankin , Geoffrey A. E. Wright

Supernova remnants (SNRs) that contain pulsar wind nebulae (PWNe) are characterized by distinct evolutionary stages. In very young systems, the PWN drives a shock into the innermost supernova (SN) material, giving rise to low-excitation…

High Energy Astrophysical Phenomena · Physics 2019-06-19 Tea Temim , Patrick Slane , Tuguldur Sukhbold , Bon-Chul Koo , John C. Raymond , Joseph D. Gelfand
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