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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

Central Compact Objects (CCOs) are a handful of sources located close to the geometrical center of young supernova remnants. They only show thermal-like, soft X-ray emission and have no counterparts at any other wavelength. While the first…

High Energy Astrophysical Phenomena · Physics 2018-01-17 Andrea De Luca

Synchrotron X-ray emission has been detected from nearly a dozen young supernova remnants (SNRs). X-rays of synchrotron origin exhibit linear polarization in a regular, non-randomly oriented magnetic field. The significant polarized X-ray…

High Energy Astrophysical Phenomena · Physics 2024-10-29 Dmitry A. Prokhorov , Yi-Jung Yang , Riccardo Ferrazzoli , Jacco Vink , Patrick Slane , Enrico Costa , Stefano Silvestri , Ping Zhou , Niccolò Bucciantini , Alessandro Di Marco , Martin C. Weisskopf , Luca Baldini , Victor Doroshenko , Steven R. Ehlert , Jeremy Heyl , Philip Kaaret , Dawoon E. Kim , Frédéric Marin , Tsunefumi Mizuno , Chi-Yung Ng , Melissa Pesce-Rollins , Carmelo Sgrò , Paolo Soffitta , Douglas A. Swartz , Toru Tamagawa , Fei Xie , Iván Agudo , Lucio A. Antonelli , Matteo Bachetti , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Chien-Ting Chen , Stefano Ciprini , Alessandra De Rosa , Ettore Del Monte , Laura Di Gesu , Niccolò Di Lalla , Immacolata Donnarumma , Michal Dovčiak , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Javier A. García , Shuichi Gunji , Wataru Iwakiri , Svetlana G. Jorstad , Vladimir Karas , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Henric Krawczynski , Fabio La Monaca , Luca Latronico , Ioannis Liodakis , Simone Maldera , Alberto Manfreda , Andrea Marinucci , Alan P. Marscher , Herman L. Marshall , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Fabio Muleri , Michela Negro , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel L. Peirson , Matteo Perri , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Juri Poutanen , Simonetta Puccetti , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Roger W. Romani , Gloria Spandre , Fabrizio Tavecchio , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Kinwah Wu , Silvia Zane

Supernova remnants (SNRs) offer the means to study supernovae (SNe) long after the original explosion and can provide a unique insight into the mechanism that governs these energetic events. In this work, we examine the morphologies of…

High Energy Astrophysical Phenomena · Physics 2020-05-12 Tyler Holland-Ashford , Laura A. Lopez , Katie Auchettl

Supernova remnant (SNR) candidates in the giant spiral galaxy M101 have been previously identified from ground-based H-alpha and [SII] images. We have used archival Hubble Space Telescope (HST) H-alpha and broad-band images as well as…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 N. A. Franchetti , R. A. Gruendl , Y. -H. Chu , B. C. Dunne , T. G. Pannuti , K. D. Kuntz , C. -H. R. Chen , C. K. Grimes , T. M. Aldridge

We examined correlations between young radio pulsars (PSRs), Supernova remnants (SNRs) which have different surface brightness values and young star formation regions (SFRs). Angular correlation of PSRs with SFRs is reliable up to 4 kpc and…

Astrophysics · Physics 2007-05-23 Sevinc O. Tagieva , Oktay H. Guseinov , Askin Ankay

By fitting the bolometric light curves of 31 super-luminous supernovae (SLSNe) with the magnetar engine model, we derive the ejecta masses and magnetar parameters for these SLSNe. The lower boundary of magnetic field strengths of SLSN…

High Energy Astrophysical Phenomena · Physics 2017-05-03 Yun-Wei Yu , Jin-Ping Zhu , Shao-Ze Li , Hou-Jun Lü , Yuan-Chuan Zou

We show here that highly polarized X-ray synchrotron radiation from young supernova remnants (SNRs) can be modeled within the framework of diffusive shock acceleration (DSA) and nonlinear magnetic turbulence generation.Cosmic ray…

High Energy Astrophysical Phenomena · Physics 2024-09-30 Andrei. M. Bykov , Sergei. M. Osipov , Yury. A. Uvarov , Donald. C. Ellison , Patrick Slane

Anomalous X-ray Pulsars and Soft-Gamma Repeaters groups are magnetar candidates featuring low characteristic ages ($\tau = {P\over{2 {\dot P}}}$). At least some of them they should still be associated with the remnants of the explosive…

High Energy Astrophysical Phenomena · Physics 2015-05-20 J. E. Horvath , M. P. Allen

The study of supernova remnants (SNRs) is fundamental to understanding the chemical enrichment and magnetism in galaxies, including our own Milky Way. In an effort to understand the connection between the morphology of SNRs and the Galactic…

Astrophysics of Galaxies · Physics 2016-03-09 J. L. West , S. Safi-Harb , T. Jaffe , R. Kothes , T. L. Landecker , T. Foster

We consider the result of acceleration of heavy ions in the slot gap potential of a very young pulsar with a hot polar cap. Photodisintegration of the heavy ions in the radiation field of the polar cap and pulsar surface gives rise to a…

Astrophysics · Physics 2011-05-23 R. J. Protheroe , W. Bednarek , Q. Luo

There are about 70 Galactic supernova remnants (SNRs) that are now confirmed or suggested to be in physical contact with molecular clouds (MCs) with six kinds of evidence of multiwavelength observations. Recent detailed CO-line…

Astrophysics of Galaxies · Physics 2015-06-15 Yang Chen , Bing Jiang , Ping Zhou , Yang Su , Xin Zhou , Hui Li , Xiao Zhang

Fast-spinning strongly magnetized newborn neutron stars, including nascent magnetars, are popularly implemented as the engine of luminous stellar explosions. Here, we consider the scenario that they power various stripped-envelope…

High Energy Astrophysical Phenomena · Physics 2016-04-07 Kazumi Kashiyama , Kohta Murase , Imre Bartos , Kenta Kiuchi , Raffaella Margutti

The evolution of supernova remnants (SNRs) is studied, with particular attention to the effect of magnetic fields with axisymmetric two-dimensional magnetohydrodynamical simulations. The evolution of magnetic SNRs is the same as…

Astrophysics · Physics 2009-11-13 Hidekazu Hanayama , Kohji Tomisaka

Plerions represent ideal laboratories for the search for neutron stars, the study of their relativistic winds, and their interaction with their surrounding supernova ejecta and/or the interstellar medium. As well, they are widely believed…

Astrophysics of Galaxies · Physics 2015-06-11 Samar Safi-Harb

Aims: We present a detailed multi-wavelength study of four new supernova remnants (SNRs) in the Large Magellanic Cloud (LMC). The objects were identified as SNR candidates in X-ray observations performed during the survey of the LMC with…

High Energy Astrophysical Phenomena · Physics 2014-01-14 P. Maggi , F. Haberl , P. J. Kavanagh , S. D. Points , J. Dickel , L. M. Bozzetto , M. Sasaki , Y. -H. Chu , R. A. Gruendl , M. D. Filipovic , W. Pietsch

Magnetars are a kind of pulsars powered mainly by superhigh magnetic fields. They are popular sources with many unsolved issues in themselves, but also linked to various high energy phenomena, such as QPOs, giant flares, fast radio bursts…

High Energy Astrophysical Phenomena · Physics 2021-03-31 Zhi-Fu Gao , Hao Shan , Hui Wang

It is well established that magnetars are neutron stars with extreme magnetic fields and young ages, but the evolutionary pathways to their creation are still uncertain. Since most massive stars are in binaries, if magnetars are a frequent…

High Energy Astrophysical Phenomena · Physics 2022-05-06 A. A. Chrimes , A. J. Levan , A. S. Fruchter , P. J. Groot , P. G. Jonker , C. Kouveliotou , J. D. Lyman , E. R. Stanway , N. R. Tanvir , K. Wiersema

Magnetars are highly magnetised, isolated neutron stars with uncertain formation channels. They comprise a potentially significant fraction of the young neutron star population in the Milky Way, and are implicated in the explosion…

Narrow band images covering strong emission lines are efficient to survey supernova remnants (SNRs) in nearby galaxies. Using the narrow band images provided by the Local Group Galaxy Survey we searched for SNRs in M33. Culling the objects…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Jong Hwan Lee , Myung Gyoon Lee