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相关论文: The Apparent Asymmetric Outflows of TeV Particles …

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Observations of linear structure connecting pulsars to gamma-ray halos reveal injection of TeV electrons into the interstellar medium (ISM). In some cases, this could be attributed to nearly scattering-free electron transport along…

高能天体物理现象 · 物理学 2026-03-02 Yifan Sun , C. -Y. Ng , Siming Liu

Context. We propose that the X-ray filaments emerging from selected bow shock pulsar wind nebulae are due to a charge-separated outflow of electrons and/or positrons escaping the nebula and propagating along the local Galactic magnetic…

高能天体物理现象 · 物理学 2024-03-07 Barbara Olmi , Elena Amato , Rino Bandiera , Pasquale Blasi

We present a model for pulsar filaments - a class of narrow X-ray nebulae misaligned with the proper motion, powered by pulsar-generated $e^\pm$. We suggest that cosmic ray-enhanced turbulence drives pitch-angle scattering and dominates…

高能天体物理现象 · 物理学 2026-03-24 Jack T. Dinsmore , Roger W. Romani

We investigate the asymmetric propagation of 100 TeV electrons (whose radiation mainly concentrates on 20--30 TeV) in turbulent magnetic fields around pulsars, using GPU-accelerated simulations to explore their trajectories and interactions…

高能天体物理现象 · 物理学 2026-02-03 Yiwei Bao , Ruo-Yu Liu , Gwenael Giacinti , Hai-Ming Zhang , Yang Chen

The high-energy radiation from short period binaries containing a massive star with a compact relativistic companion was detected from radio to TeV gamma rays. We show here that PeV regime protons can be efficiently accelerated in the…

高能天体物理现象 · 物理学 2021-11-01 A. M. Bykov , A. E. Petrov , M. E. Kalyashova , S. V. Troitsky

We present a novel calculation of the spectrum of electrons and positrons from random sources, supernova remnants and pulsars, distributed within the spiral arms of the Galaxy. The pulsar emissivity in terms of electron-positron pairs is…

高能天体物理现象 · 物理学 2021-04-15 Carmelo Evoli , Elena Amato , Pasquale Blasi , Roberto Aloisio

We study the $\gamma$-ray emission from the pulsar magnetosphere based on outer gap models, and the TeV radiation from pulsar wind nebulae (PWNe) through inverse Compton scattering using a one-zone model. We showed previously that GeV…

天体物理学 · 物理学 2009-11-10 W. Wang , Z. J. Jiang , C. S. J. Pun , K. S. Cheng

Recently, the High Altitude Water Cherenkov (HAWC) collaboration reported the discovery of the TeV halo around the Geminga pulsar. The TeV emission is believed to originate from inverse Compton scattering of pulsar-injected…

高能天体物理现象 · 物理学 2019-04-26 Ruo-Yu Liu , Chong Ge , Xiao-Na Sun , Xiang-Yu Wang

We have detected weak soft X-ray emission from the Pulsar Wind Nebula trailing the high velocity star PSR 2224+65 (the `Guitar Nebula'). This X-ray flux gives evidence of \gamma~10^7 eV particles in the pulsar wind and constrains the…

天体物理学 · 物理学 2009-10-30 Roger W. Romani , James M. Cordes , I. -A. Yadigaroglu

A sub-population of energetic rotation-powered pulsars show high fluxes of pulsed non-thermal hard X-ray emission. While this MeV pulsar population includes some radio-loud pulsars like the Crab, a significant number have no detected radio…

高能天体物理现象 · 物理学 2017-12-08 Alice K. Harding , Constantinos Kalapotharakos

The increasing sensitivity of instruments at X-ray and TeV energies have revealed a large number of nebulae associated with bright pulsars. Despite this large data set, the observed pulsar wind nebulae (PWNe) do not show a uniform behavior…

高能天体物理现象 · 物理学 2014-02-25 Diego F. Torres , Analía Cillis , Jonatan Martín , Emma de Oña Wilhelmi

The observation of filamentary X-ray structures near bow-shock pulsar wind nebulae (PWNe) -- such as the Guitar, Lighthouse, and PSR J2030$+$4415 nebulae -- and of slow-diffusion regions around pulsars like Geminga, Monogem, and PSR…

高能天体物理现象 · 物理学 2025-12-19 Luca Orusa , Lorenzo Sironi

We report on the X-ray emission properties of the pulsar PSR J1849$-$0001 and its wind nebula (PWN), as measured by Chandra, XMM-Newton, NICER, Swift, and NuSTAR. In the X-ray data, we detected the 38-ms pulsations of the pulsar up to…

高能天体物理现象 · 物理学 2023-11-22 Chanho Kim , Jaegeun Park , Jooyun Woo , Sarah Silverman , Hongjun An , Aya Bamba , Kaya Mori , Stephen P. Reynolds , Samar Safi-Harb

Diffusive TeV gamma-ray emissions have been recently discovered extending beyond the pulsar wind nebulae of a few middle-aged pulsars, implying that energetic electron/positron pairs are escaping from the pulsar wind nebulae and radiating…

高能天体物理现象 · 物理学 2022-11-09 Ruo-Yu Liu

We consider the neutron star (NS) of the magnetar type inside the massive binary system. We determine the conditions under which the matter from the stellar wind can penetrate the inner magnetosphere of the magnetar. At some distance from…

高能天体物理现象 · 物理学 2015-05-13 W. Bednarek

We discuss the implications of the recent X-ray and TeV gamma-ray observations of the PSR B1259-63 system (a young rotation powered pulsar orbiting a Be star) for the theoretical models of interaction of pulsar and stellar winds. We show…

天体物理学 · 物理学 2008-11-26 A. Neronov , M. Chernyakova

New X-ray and optical observations shed light on the remarkable X-ray filament of the Gamma-ray pulsar PSR~J2030+4415. Images of the associated H$\alpha$ bow shock's evolution over the past decade compared with its velocity structure…

高能天体物理现象 · 物理学 2022-04-01 Martijn de Vries , Roger W. Romani

We study the gamma-ray emissions from an outer-magnetospheric potential gap around a rotating neutron star. Migratory electrons and positrons are accelerated by the electric field in the gap to radiate copious gamma-rays via curvature…

天体物理学 · 物理学 2009-10-31 K. Hirotani

In this paper, we study the flux of electrons and positrons injected by pulsars and by annihilating or decaying dark matter in the context of recent ATIC, PAMELA, Fermi, and HESS data. We review the flux from a single pulsar and derive the…

高能天体物理现象 · 物理学 2009-09-17 Dmitry Malyshev , Ilias Cholis , Joseph Gelfand

The inverse Compton scattering of ultrarelativistic electrons accelerated at the pulsar wind termination shock is believed to be responsible for TeV gamma-ray signal recently reported from the binary system PSR B1259-63/SS2883. While this…

天体物理学 · 物理学 2009-11-11 Dmitry Khangulyan , Slavomir Hnatic , Felix Aharonian , Sergey Bogovalov
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